12438748211778

Names of 12438748211778

• Cardinal: 12438748211778 can be written as Twelve trillion, four hundred thirty-eight billion, seven hundred forty-eight million, two hundred eleven thousand, seven hundred seventy-eight.

Scientific notation

• Scientific notation: 1.2438748211778 × 10¹³

Factors of 12438748211778

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 433

Divisors of 12438748211778

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 49 54 63 81 98 126 147 162 189 243 294 343 378 421 441 486 567 686 842 882 1029 1134 1263 1323 1701 2058 2526 2646 2947 3087 3402 3789 3969 5894 6174 7578 7938 8841 9261 11367 11907 17682 18522 20629 22734 23814 26523 27783 34101 41258 53046 55566 61887 68202 79569 83349 102303 123774 144403 159138 166698 177241 185661 204606 238707 288806 354482 371322 433209 477414 531723 556983 716121 866418 1063446 1113966 1240687 1299627 1432242 1595169 1670949 2481374 2599254 3190338 3341898 3722061 3898881 4785507 5012847 7444122 7797762 8684809 9571014 10025694 11166183 11696643 14356521 17369618 22332366 23393286 26054427 28713042 33498549 35089929 43069563 52108854 60793663 66997098 70179858 74618461 78163281 86139126 100495647 121587326 149236922 156326562 182380989 200991294 223855383 234489843 301486941 364761978 447710766 468979686 522329227 547142967 602973882 671566149 703469529 1044658454 1094285934 1343132298 1406939058 1566987681 1641428901 2014698447 2110408587 3133975362 3282857802 3656304589 4029396894 4220817174 4700963043 4924286703 6044095341 7312609178 9401926086 9848573406 10968913767 12088190682 14102889129 14772860109 18132286023 21937827534 25594132123 28205778258 29545720218 32906741301 36264572046 42308667387 51188264246 65813482602 76782396369 84617334774 98720223903 126926002161 153564792738 197440447806 230347189107 253852004322 296160671709 460694378214 592321343418 691041567321 888482015127 1382083134642 1776964030254 2073124701963 4146249403926 6219374105889 12438748211778
• Sum of all divisors σ(n): 32670946963200
• Sum of proper divisors (its aliquot sum) s(n): 20232198751422
• 12438748211778 is an abundant number, because the sum of its proper divisors (20232198751422) is greater than itself. Its abundance is 7793450539644

Bases of 12438748211778

• Binary: 10110101000000011111001010110010101001000010₂
• Hexadecimal: 0xB501F2B2A42
• Base-36: 4EQA5IY4I

Squares and roots of 12438748211778

• 12438748211778 squared (12438748211778²) is 154722457076010392737921284
• 12438748211778 cubed (12438748211778³) is 1924553686276122635291361848763925682952
• The square root of 12438748211778 is 3526860.9572505123
• The cube root of 12438748211778 is 23169.9746662009

Scales and comparisons

• 12,438,748,211,778 seconds is equal to 395,513 years, 37 weeks, 2 days, 4 hours, 36 minutes, 18 seconds.
• To count from 1 to 12,438,748,211,778 would take you about nine hundred eighty-eight thousand, seven hundred eighty-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 12438748211778 cubic inches would be around 1930.8 feet tall.

Recreational maths with 12438748211778

• 12438748211778 backwards is 87711284783421
• 12438748211778 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12438748211778's digits is 63
• More coming soon!