18149876504678400

Names of 18149876504678400

• Cardinal: 18149876504678400 can be written as Eighteen quadrillion, one hundred forty-nine trillion, eight hundred seventy-six billion, five hundred four million, six hundred seventy-eight thousand, four hundred.

Scientific notation

• Scientific notation: 1.81498765046784 × 10¹⁶

Factors of 18149876504678400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 50716

Divisors of 18149876504678400

• Number of divisors d(n): 468
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 23 24 25 30 32 40 46 48 50 60 64 69 75 80 92 96 100 115 120 128 138 150 160 184 192 200 230 240 256 276 300 320 345 368 384 400 460 480 512 552 575 600 640 690 736 768 800 920 960 1024 1104 1150 1200 1280 1380 1472 1536 1600 1725 1840 1920 2048 2208 2300 2400 2560 2760 2944 3072 3200 3450 3680 3840 4096 4416 4600 4800 5120 5520 5888 6144 6400 6900 7360 7680 8832 9200 9600 10240 11040 11776 12288 12800 13800 14720 15360 17664 18400 19200 20480 22080 23552 25600 27600 29440 30720 35328 36800 38400 44160 47104 50683 51200 55200 58880 61440 70656 73600 76800 88320 94208 101366 102400 110400 117760 141312 147200 152049 153600 176640 202732 220800 235520 253415 282624 294400 304098 307200 353280 405464 441600 471040 506830 588800 608196 706560 760245 810928 883200 1013660 1165709 1177600 1216392 1267075 1413120 1520490 1621856 1766400 2027320 2331418 2355200 2432784 2534150 3040980 3243712 3497127 3532800 3801225 4054640 4662836 4865568 5068300 5828545 6081960 6487424 6994254 7065600 7602450 8109280 9325672 9731136 10136600 11657090 12163920 12974848 13988508 15204900 16218560 17485635 18651344 19462272 20273200 23314180 24327840 25949696 27977016 29142725 30409800 32437120 34971270 37302688 38924544 40546400 46628360 48655680 51899392 55954032 58285450 60819600 64874240 69942540 74605376 77849088 81092800 87428175 93256720 97311360 103798784 111908064 116570900 121639200 129748480 139885080 149210752 155698176 162185600 174856350 186513440 194622720 207597568 223816128 233141800 243278400 259496960 279770160 298421504 311396352 324371200 349712700 373026880 389245440 447632256 466283600 486556800 518993920 559540320 596843008 622792704 648742400 699425400 746053760 778490880 895264512 932567200 973113600 1037987840 1119080640 1193686016 1297484800 1398850800 1492107520 1556981760 1790529024 1865134400 1946227200 2238161280 2387372032 2568766489 2594969600 2797701600 2984215040 3113963520 3581058048 3730268800 3892454400 4476322560 4774744064 5137532978 5189939200 5595403200 5968430080 7162116096 7460537600 7706299467 7784908800 8952645120 10275065956 11190806400 11936860160 12843832445 14324232192 14921075200 15412598934 15569817600 17905290240 20550131912 22381612800 23873720320 25687664890 29842150400 30825197868 35810580480 38531497335 41100263824 44763225600 51375329780 59081629247 59684300800 61650395736 64219162225 71621160960 77062994670 82200527648 89526451200 102750659560 118163258494 119368601600 123300791472 128438324450 154125989340 164401055296 177244887741 179052902400 192657486675 205501319120 236326516988 246601582944 256876648900 295408146235 308251978680 328802110592 354489775482 358105804800 385314973350 411002638240 472653033976 493203165888 513753297800 590816292470 616503957360 657604221184 708979550964 770629946700 822005276480 886224438705 945306067952 986406331776 1027506595600 1181632584940 1233007914720 1315208442368 1417959101928 1477040731175 1541259893400 1644010552960 1772448877410 1890612135904 1972812663552 2055013191200 2363265169880 2466015829440 2630416884736 2835918203856 2954081462350 3082519786800 3288021105920 3544897754820 3781224271808 3945625327104 4110026382400 4431122193525 4726530339760 4932031658880 5260833769472 5671836407712 5908162924700 6165039573600 6576042211840 7089795509640 7562448543616 7891250654208 8220052764800 8862244387050 9453060679520 9864063317760 10521667538944 11343672815424 11816325849400 12330079147200 13152084423680 14179591019280 15124897087232 15782501308416 16440105529600 17724488774100 18906121359040 19728126635520 22687345630848 23632651698800 24660158294400 26304168847360 28359182038560 30249794174464 31565002616832 32880211059200 35448977548200 37812242718080 39456253271040 45374691261696 47265303397600 49320316588800 52608337694720 56718364077120 60499588348928 65760422118400 70897955096400 75624485436160 78912506542080 90749382523392 94530606795200 98640633177600 113436728154240 120999176697856 131520844236800 141795910192800 151248970872320 157825013084160 181498765046784 189061213590400 197281266355200 226873456308480 241998353395712 263041688473600 283591820385600 302497941744640 362997530093568 378122427180800 394562532710400 453746912616960 567183640771200 604995883489280 725995060187136 756244854361600 789125065420800 907493825233920 1134367281542400 1209991766978560 1512489708723200 1814987650467840 2268734563084800 3024979417446400 3629975300935680 4537469126169600 6049958834892800 9074938252339200 18149876504678400
• Sum of all divisors σ(n): 62618556036991968
• Sum of proper divisors (its aliquot sum) s(n): 44468679532313568
• 18149876504678400 is an abundant number, because the sum of its proper divisors (44468679532313568) is greater than itself. Its abundance is 26318803027635168

Bases of 18149876504678400

• Binary: 1000000011110110011011101101101110001110101000000000000₂
• Hexadecimal: 0x407B376DC75000
• Base-36: 4YPLE5QYLMO

Squares and roots of 18149876504678400

• 18149876504678400 squared (18149876504678400²) is 329418017135077014457087426560000
• 18149876504678400 cubed (18149876504678400³) is 5978896329417680881749595646202857656418304000000
• The square root of 18149876504678400 is 134721477.5181685721
• The cube root of 18149876504678400 is 262799.5142295995

Scales and comparisons

• 18,149,876,504,678,400 seconds is equal to 577,109,931 years, 30 weeks, 6 days, 10 hours, 40 minutes.
• To count from 1 to 18,149,876,504,678,400 would take you about one billion, seven hundred thirty-one million, three hundred twenty-nine thousand, seven hundred ninety-four 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 18149876504678400 cubic inches would be around 21900 feet tall.

Recreational maths with 18149876504678400

• 18149876504678400 backwards is 00487640567894181
• The number of decimal digits it has is: 17
• The sum of 18149876504678400's digits is 78
• More coming soon!