13156931898

Names of 13156931898

• Cardinal: 13156931898 can be written as Thirteen billion, one hundred fifty-six million, nine hundred thirty-one thousand, eight hundred ninety-eight.

Scientific notation

• Scientific notation: 1.3156931898 × 10¹⁰

Factors of 13156931898

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 282

Divisors of 13156931898

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 31 33 37 41 54 62 66 74 81 82 93 99 111 123 157 162 186 198 222 246 279 297 314 333 341 369 407 451 471 558 594 666 682 738 814 837 891 902 942 999 1023 1107 1147 1221 1271 1353 1413 1517 1674 1727 1782 1998 2046 2214 2294 2442 2511 2542 2706 2826 2997 3034 3069 3321 3441 3454 3663 3813 4059 4239 4551 4867 5022 5181 5809 5994 6138 6437 6642 6882 7326 7626 8118 8478 9102 9207 9734 10323 10362 10989 11439 11618 12177 12617 12717 12874 13653 13981 14601 15543 16687 17427 18414 19311 20646 21978 22878 24354 25234 25434 27306 27621 27962 29202 30969 31086 32967 33374 34317 34854 36531 37851 38622 40959 41943 43803 46629 47027 50061 52281 53537 55242 57933 61938 63899 65934 68634 70807 73062 75702 81918 83886 87606 92907 93258 94054 100122 102951 104562 107074 113553 115866 122877 125829 127798 131409 139887 141081 141614 150183 156843 160611 173799 180079 185814 191697 199547 205902 212421 227106 238169 245754 251658 262818 279774 282162 300366 313686 321222 340659 347598 360158 377487 383394 394227 399094 423243 424842 450549 470529 476338 481833 517297 521397 540237 575091 598641 637263 681318 714507 754974 788454 846486 901098 941058 963666 1021977 1034594 1042794 1080474 1132461 1150182 1197282 1269729 1274526 1351647 1429014 1445499 1551891 1620711 1725273 1795923 1911789 1980869 2043954 2143521 2195017 2264922 2539458 2619859 2703294 2890998 3103782 3241422 3450546 3591846 3809187 3823578 3961738 4287042 4336497 4390034 4655673 4862133 5175819 5239718 5387769 5735367 5942607 6430563 6585051 7383239 7618374 7859577 8672994 9311346 9724266 10351638 10775538 11470734 11885214 12861126 13170102 13967019 14586399 14766478 15719154 16163307 17827821 19291689 19755153 22149717 23578731 27934038 29172798 32326614 35655642 38583378 39510306 41901057 44299434 47157462 53483463 59265459 66449151 70736193 81215629 83802114 106966926 118530918 132898302 141472386 160450389 162431258 177796377 199347453 212208579 243646887 320900778 355592754 398694906 424417158 487293774 598042359 730940661 1196084718 1461881322 2192821983 4385643966 6578465949 13156931898
• Sum of all divisors σ(n): 35150201856
• Sum of proper divisors (its aliquot sum) s(n): 21993269958
• 13156931898 is an abundant number, because the sum of its proper divisors (21993269958) is greater than itself. Its abundance is 8836338060

Bases of 13156931898

• Binary: 1100010000001101101101100100111010₂
• Hexadecimal: 0x31036D93A
• Base-36: 61LAPMI

Squares and roots of 13156931898

• 13156931898 squared (13156931898²) is 173104856968609882404
• 13156931898 cubed (13156931898³) is 2277528814349030946519216522792
• The square root of 13156931898 is 114703.6699412883
• The cube root of 13156931898 is 2360.7583923105

Scales and comparisons

• 13,156,931,898 seconds is equal to 418 years, 18 weeks, 1 day, 7 hours, 18 minutes, 18 seconds.
• To count from 1 to 13,156,931,898 would take you about eight hundred thirty-six 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 13156931898 cubic inches would be around 196.7 feet tall.

Recreational maths with 13156931898

• 13156931898 backwards is 89813965131
• 13156931898 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13156931898's digits is 54
• More coming soon!