18729505056690

Names of 18729505056690

• Cardinal: 18729505056690 can be written as Eighteen trillion, seven hundred twenty-nine billion, five hundred five million, fifty-six thousand, six hundred ninety.

Scientific notation

• Scientific notation: 1.872950505669 × 10¹³

Factors of 18729505056690

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2775

Divisors of 18729505056690

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 5 6 9 10 15 17 18 27 30 34 37 45 51 54 74 81 83 85 90 102 111 135 153 162 166 170 181 185 222 249 255 270 306 333 362 370 405 415 459 498 510 543 555 629 666 747 765 810 830 905 918 999 1086 1110 1245 1258 1377 1411 1494 1530 1629 1665 1810 1887 1998 2241 2295 2447 2490 2715 2754 2822 2997 3071 3077 3145 3258 3330 3735 3774 4233 4482 4590 4887 4894 4995 5430 5661 5994 6142 6154 6290 6697 6723 6885 7055 7341 7470 8145 8466 9213 9231 9435 9774 9990 11205 11322 12235 12699 13394 13446 13770 14110 14661 14682 14985 15023 15355 15385 16290 16983 18426 18462 18870 20091 21165 22023 22410 24435 24470 25398 27639 27693 28305 29322 29970 30046 30710 30770 33485 33615 33966 36705 38097 40182 41599 42330 44046 45069 46065 46155 48870 50949 52207 55278 55386 56610 60273 63495 66069 66970 67230 73305 73410 75115 76194 82917 83079 83198 84915 90138 90539 92130 92310 100455 101898 104414 110115 113849 114291 120546 124797 126990 132138 135207 138195 138465 146610 150230 156621 165834 166158 169830 180819 181078 190485 198207 200910 203101 207995 220230 225345 227698 228582 248751 249237 249594 254745 255391 261035 270414 271617 276390 276930 301365 313242 330345 341547 361638 374391 380970 396414 405621 406202 414585 415395 415990 442907 450690 452695 469863 497502 498474 509490 510782 522070 542457 543234 555851 569245 571455 602730 609303 623985 660690 676035 683094 748782 766173 783105 811242 814851 829170 830790 885814 904095 905390 939726 991035 1015505 1024641 1084914 1111702 1123173 1138490 1142910 1216863 1218606 1243755 1246185 1247970 1276955 1328721 1352070 1358085 1409589 1532346 1539163 1566210 1629702 1667553 1707735 1808190 1827909 1871955 1982070 2028105 2031010 2049282 2214535 2246346 2298519 2349315 2433726 2444553 2487510 2492370 2553910 2657442 2712285 2716170 2779255 2819178 3046515 3073923 3078326 3335106 3369519 3415470 3452717 3655818 3743910 3830865 3986163 4056210 4074255 4228767 4429070 4597038 4617489 4698630 4889106 5002659 5123205 5424570 5483727 5558510 5615865 6084315 6093030 6147846 6643605 6739038 6895557 6905434 7047945 7333659 7514737 7529419 7661730 7695815 7972326 8148510 8337765 8457534 9139545 9221769 9234978 9449467 10005318 10246410 10358151 10967454 11231730 11492595 11958489 12168630 12222765 13287210 13791114 13852467 14095890 14667318 15007977 15029474 15058838 15369615 15391630 16387559 16451181 16675530 16847595 17263585 18279090 18443538 18898934 19930815 20686671 20716302 21143835 22544211 22588257 22985190 23087445 23916978 24445530 25013295 27418635 27704934 28348401 30015954 30739230 31074453 32775118 32902362 33695190 34477785 34527170 35875467 36668295 36761281 37573685 37647095 39861630 41373342 41557401 42287670 45023931 45088422 45176514 46108845 46174890 47247335 49162677 50026590 51790755 54837270 56696802 59792445 62148906 67632633 67764771 68955570 69262335 71750934 73336590 73522562 75039885 75147370 75294190 81937795 82255905 83114802 85045203 90047862 92217690 93223359 94494670 98325354 103433355 103581510 110283843 112721055 112941285 119584890 124672203 127750529 135265266 135529542 138524670 141742005 147488031 150079770 155372265 163875590 164511810 170090406 179377335 183806405 186446718 202897899 203294313 206866710 207787005 220567686 225119655 225442110 225882570 245813385 249344406 255135609 255501058 278588503 279670077 283484010 294976062 310744530 330851529 338163165 338823855 358754670 367612810 383251587 405795798 406588626 415574010 425226015 442464093 450239310 466116795 491626770 510271218 551419215 557177006 559340154 608693697 609882939 623361015 624941777 638752645 661703058 676326330 677647710 737440155 765406827 766503174 835765509 850452030 884928186 932233590 992554587 1014489495 1016471565 1102838430 1149754761 1217387394 1219765878 1246722030 1249883554 1275678045 1277505290 1327392279 1360167397 1392942515 1398350385 1474880310 1530813654 1654257645 1671531018 1874825331 1916257935 1985109174 2028978990 2032943130 2212320465 2299509522 2507296527 2551356090 2654784558 2720334794 2785885030 2796700770 2977663761 3043468485 3049414695 3124708885 3308515290 3449264283 3749650662 3827034135 3832515870 4080502191 4178827545 4424640930 4962772935 5014593054 5624475993 5748773805 5955327522 6086936970 6098829390 6249417770 6636961395 6800836985 6898528566 7521889581 7654068270 8161004382 8357655090 9374126655 9925545870 10347792849 11248951986 11497547610 12241506573 12536482635 13273922790 13601673970 14888318805 15043779162 16873427979 17246321415 18748253310 20402510955 20695585698 22565668743 23122845749 24483013146 25072965270 28122379965 29776637610 33746855958 34492642830 36724519719 37609447905 40805021910 45131337486 46245691498 50620283937 51738964245 56244759930 61207532865 69368537247 73449039438 75218895810 84367139895 101240567874 103477928490 110173559157 112828343715 115614228745 122415065730 138737074494 168734279790 183622598595 208105611741 220347118314 225656687430 231228457490 253101419685 346842686235 367245197190 416211223482 506202839370 550867795785 624316835223 693685372470 1040528058705 1101735591570 1248633670446 1872950505669 2081056117410 3121584176115 3745901011338 6243168352230 9364752528345 18729505056690
• Sum of all divisors σ(n): 55754004354048
• Sum of proper divisors (its aliquot sum) s(n): 37024499297358
• 18729505056690 is an abundant number, because the sum of its proper divisors (37024499297358) is greater than itself. Its abundance is 18294994240668

Bases of 18729505056690

• Binary: 100010000100011001101011111101110011110110010₂
• Hexadecimal: 0x1108CD7EE7B2
• Base-36: 6N07RQ94I

Squares and roots of 18729505056690

• 18729505056690 squared (18729505056690²) is 350794359668576280113756100
• 18729505056690 cubed (18729505056690³) is 6570204733270930030883584763379333309000
• The square root of 18729505056690 is 4327759.8196630549
• The cube root of 18729505056690 is 26556.7810885521

Scales and comparisons

• 18,729,505,056,690 seconds is equal to 595,540 years, 16 weeks, 6 days, 21 hours, 31 minutes, 30 seconds.
• To count from 1 to 18,729,505,056,690 would take you about one million, four hundred eighty-eight thousand, eight hundred fifty 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 18729505056690 cubic inches would be around 2213.1 feet tall.

Recreational maths with 18729505056690

• 18729505056690 backwards is 09665050592781
• The number of decimal digits it has is: 14
• The sum of 18729505056690's digits is 63
• More coming soon!