18138487296800

Names of 18138487296800

• Cardinal: 18138487296800 can be written as Eighteen trillion, one hundred thirty-eight billion, four hundred eighty-seven million, two hundred ninety-six thousand, eight hundred.

Scientific notation

• Scientific notation: 1.81384872968 × 10¹³

Factors of 18138487296800

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1472

Divisors of 18138487296800

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 25 26 29 32 37 40 50 52 58 65 74 80 97 100 104 116 130 145 148 160 169 185 194 200 208 232 260 290 296 325 338 370 377 388 400 416 464 481 485 520 580 592 650 676 725 740 754 776 800 845 925 928 962 970 1040 1073 1160 1184 1261 1289 1300 1352 1450 1480 1508 1552 1690 1850 1885 1924 1940 2080 2146 2320 2405 2425 2522 2578 2600 2704 2813 2900 2960 3016 3104 3380 3589 3700 3770 3848 3880 4225 4292 4640 4810 4850 4901 5044 5156 5200 5365 5408 5626 5800 5920 6032 6253 6305 6445 6760 7178 7400 7540 7696 7760 8450 8584 9425 9620 9700 9802 10088 10312 10400 10730 11252 11600 12025 12064 12506 12610 12890 13520 13949 14065 14356 14800 15080 15392 15520 16393 16757 16900 17168 17945 18850 19240 19400 19604 20176 20624 21460 22504 23200 24050 24505 25012 25220 25780 26825 27040 27898 28130 28712 29600 30160 31265 31525 32225 32786 33514 33800 34336 35890 36569 37381 37700 38480 38800 39208 40352 41248 42920 45008 46657 47693 48100 49010 50024 50440 51560 53650 55796 56260 57424 60320 62530 63050 64450 65572 67028 67600 69745 70325 71780 73138 74762 75400 76960 77600 78416 81965 83785 85840 89725 90016 93314 95386 96200 98020 100048 100880 103120 104081 107300 111592 112520 114848 122525 125033 125060 126100 128900 131144 134056 135200 139490 140650 143560 146276 149524 150800 156325 156832 163930 167570 171680 179450 181337 182845 186628 186905 190772 192400 196040 200096 201760 206240 208162 214600 217841 223184 225040 233285 238465 245050 250066 250120 252200 257800 262288 268112 278980 281300 287120 292552 299048 301600 312650 327860 335140 348725 358900 362674 365690 373256 373810 381544 384800 392080 409825 416324 418925 429200 435682 446368 450080 466570 475397 476930 485953 490100 500132 500240 504400 515600 520405 524576 536224 557960 562600 574240 585104 598096 606541 620009 625165 625300 655720 670280 697450 717800 725348 731380 746512 747620 763088 784160 819650 832648 837850 858400 871364 906685 914225 933140 934525 950794 953860 971906 980200 1000264 1000480 1008800 1031200 1040810 1089205 1115920 1125200 1166425 1170208 1192325 1196192 1213082 1240018 1250330 1250600 1311440 1340560 1353053 1383097 1394900 1435600 1450696 1462760 1493024 1495240 1526176 1625429 1639300 1665296 1675700 1742728 1813370 1828450 1866280 1869050 1901588 1907720 1943812 1960400 2000528 2081620 2178410 2231840 2250400 2332850 2376985 2384650 2426164 2429765 2480036 2500660 2501200 2602025 2622880 2681120 2706106 2766194 2789800 2871200 2901392 2925520 2990480 3032705 3100045 3125825 3250858 3278600 3330592 3351400 3485456 3625957 3626740 3656900 3732560 3738100 3803176 3815440 3887624 3920800 4001056 4163240 4356820 4533425 4626221 4665700 4753970 4769300 4852328 4859530 4960072 5001320 5002400 5204050 5412212 5446025 5532388 5579600 5802784 5851040 5980960 6065410 6200090 6251650 6317389 6501716 6557200 6702800 6765265 6915485 6970912 7251914 7253480 7313800 7465120 7476200 7606352 7630880 7775248 8060117 8127145 8326480 8713640 9066850 9252442 9331400 9507940 9538600 9704656 9719060 9920144 10002640 10408100 10824424 10892050 11064776 11159200 11884925 12130820 12148825 12400180 12503300 12634778 13003432 13114400 13405600 13530530 13830970 14503828 14506960 14627600 14952400 15163525 15212704 15500225 15550496 16120234 16254290 16652960 17427280 17589689 17980261 18129785 18133700 18504884 18662800 19015880 19077200 19409312 19438120 19840288 20005280 20816200 21130577 21648848 21784100 22129552 23131105 23769850 24261640 24297650 24800360 25006600 25269556 26006864 27061060 27661940 29007656 29013920 29255200 29904800 30327050 31000450 31586945 32240468 32508580 33826325 34577425 34854560 35179378 35960522 36259570 36267400 37009768 37325600 38031760 38154400 38876240 40300585 40635725 41632400 42261154 43297696 43568200 44259104 46262210 47137441 47539700 48523280 48595300 49600720 50013200 50539112 52013728 54122120 55323880 58015312 60140873 60654100 62000900 63173890 64480936 65017160 67652650 69154850 70358756 71921044 72519140 72534800 74019536 76063520 77752480 80601170 81271450 83264800 84522308 87136400 87948445 89901305 90648925 92524420 94274882 95079400 97046560 97190600 99201440 100026400 101078224 105652885 108244240 110647760 115655525 116030624 120281746 121308200 124001800 126347780 128961872 130034320 134160409 135305300 138309700 140717512 143842088 145038280 145069600 148039072 157934725 161202340 162542900 169044616 174272800 175896890 179802610 181297850 185048840 188549764 190158800 194381200 201502925 202156448 211305770 216488480 221295520 231311050 233743393 235687205 240563492 242616400 248003600 252695560 257923744 260068640 268320818 270610600 276619400 281435024 287684176 290076560 300704365 315869450 322404680 325085800 338089232 351793780 359605220 362595700 370097680 377099528 380317600 388762400 403005850 422611540 439742225 449506525 462622100 467486786 471374410 481126984 485232800 496007200 505391120 528264425 536641636 541221200 553238800 562870048 575368352 580153120 601408730 612786733 631738900 644809360 650171600 670802045 676178464 703587560 719210440 725191400 740195360 754199056 781831349 806011700 845223080 879484450 899013050 925244200 934973572 942748820 962253968 1010782240 1056528850 1073283272 1082442400 1106477600 1168716965 1178436025 1202817460 1225573466 1263477800 1289618720 1300343200 1341604090 1407175120 1438420880 1450382800 1503521825 1508398112 1563662698 1612023400 1690446160 1744085317 1758968900 1798026100 1850488400 1869947144 1885497640 1924507936 2113057700 2146566544 2337433930 2356872050 2405634920 2451146932 2526955600 2683208180 2814350240 2876841760 2900765600 3007043650 3063933665 3127325396 3224046800 3354010225 3380892320 3488170634 3517937800 3596052200 3700976800 3739894288 3770995280 3909156745 4226115400 4293133088 4674867860 4713744100 4811269840 4902293864 5053911200 5366416360 5843584825 6014087300 6127867330 6254650792 6448093600 6708020450 6976341268 7035875600 7192104400 7479788576 7541990560 7818313490 8452230800 8720426585 9349735720 9427488200 9622539680 9804587728 10732832720 11687169650 12028174600 12255734660 12509301584 13416040900 13952682536 14071751200 14384208800 15319668325 15636626980 16904461600 17440853170 18699471440 18854976400 19545783725 19609175456 21465665440 22673109121 23374339300 24056349200 24511469320 25018603168 26832081800 27905365072 30639336650 31273253960 34881706340 37398942880 37709952800 39091567450 43602132925 45346218242 46748678600 48112698400 49022938640 53664163600 55810730144 61278673300 62546507920 69763412680 78183134900 87204265850 90692436484 93497357200 98045877280 107328327200 113365545605 122557346600 125093015840 139526825360 156366269800 174408531700 181384872968 186994714400 226731091210 245114693200 279053650720 312732539600 348817063400 362769745936 453462182420 490229386400 566827728025 625465079200 697634126800 725539491872 906924364840 1133655456050 1395268253600 1813848729680 2267310912100 3627697459360 4534621824200 9069243648400 18138487296800
• Sum of all divisors σ(n): 51507915001200
• Sum of proper divisors (its aliquot sum) s(n): 33369427704400
• 18138487296800 is an abundant number, because the sum of its proper divisors (33369427704400) is greater than itself. Its abundance is 15230940407600

Bases of 18138487296800

• Binary: 100000111111100110010000101111001001100100000₂
• Hexadecimal: 0x107F32179320
• Base-36: 6FGPF0IZK

Squares and roots of 18138487296800

• 18138487296800 squared (18138487296800²) is 329004721416174971290240000
• 18138487296800 cubed (18138487296800³) is 5967647959994512622794122945823232000000
• The square root of 18138487296800 is 4258930.2995940191
• The cube root of 18138487296800 is 26274.4533055183

Scales and comparisons

• 18,138,487,296,800 seconds is equal to 576,747 years, 41 weeks, 13 hours, 33 minutes, 20 seconds.
• To count from 1 to 18,138,487,296,800 would take you about one million, four hundred forty-one thousand, eight hundred sixty-nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18138487296800 cubic inches would be around 2189.5 feet tall.

Recreational maths with 18138487296800

• 18138487296800 backwards is 00869278483181
• 18138487296800 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18138487296800's digits is 65
• More coming soon!