138669843456

Names of 138669843456

• Cardinal: 138669843456 can be written as One hundred thirty-eight billion, six hundred sixty-nine million, eight hundred forty-three thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 1.38669843456 × 10¹¹

Factors of 138669843456

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 436

Divisors of 138669843456

• Number of divisors d(n): 231
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 243 256 288 324 384 431 432 486 512 576 648 729 768 862 864 972 1024 1152 1293 1296 1458 1536 1724 1728 1944 2304 2586 2592 2916 3072 3448 3456 3879 3888 4608 5172 5184 5832 6896 6912 7758 7776 9216 10344 10368 11637 11664 13792 13824 15516 15552 20688 20736 23274 23328 27584 27648 31032 31104 34911 41376 41472 46548 46656 55168 62064 62208 69822 82752 82944 93096 93312 104733 110336 124128 124416 139644 165504 185761 186192 186624 209466 220672 248256 248832 279288 314199 331008 371522 372384 373248 418932 441344 496512 557283 558576 628398 662016 743044 744768 746496 837864 993024 1114566 1117152 1256796 1324032 1486088 1489536 1671849 1675728 1986048 2229132 2234304 2513592 2972176 2979072 3343698 3351456 3972096 4458264 4468608 5015547 5027184 5944352 5958144 6687396 6702912 8916528 8937216 10031094 10054368 11888704 11916288 13374792 13405824 15046641 17833056 17874432 20062188 20108736 23777408 26749584 26811648 30093282 35666112 35748864 40124376 40217472 45139923 47554816 53499168 53623296 60186564 71332224 80248752 80434944 90279846 95109632 106998336 107246592 120373128 135419769 142664448 160497504 160869888 180559692 190219264 213996672 240746256 270839538 285328896 320995008 321739776 361119384 427993344 481492512 541679076 570657792 641990016 722238768 855986688 962985024 1083358152 1283980032 1444477536 1711973376 1925970048 2166716304 2567960064 2888955072 3851940096 4333432608 5135920128 5777910144 7703880192 8666865216 11555820288 15407760384 17333730432 23111640576 34667460864 46223281152 69334921728 138669843456
• Sum of all divisors σ(n): 416582818603
• Sum of proper divisors (its aliquot sum) s(n): 277912975147
• 138669843456 is an abundant number, because the sum of its proper divisors (277912975147) is greater than itself. Its abundance is 139243131691

Bases of 138669843456

• Binary: 10000001001001010111011110010000000000₂
• Hexadecimal: 0x20495DE400
• Base-36: 1RPCG000

Squares and roots of 138669843456

• 138669843456 squared (138669843456²) is 19229325484111546023936
• 138669843456 cubed (138669843456³) is 2666527554646219502381344348962816
• 138669843456 is a perfect square number. Its square root is 372384
• The cube root of 138669843456 is 5175.9969104005

Scales and comparisons

• 138,669,843,456 seconds is equal to 4,409 years, 14 weeks, 1 day, 57 minutes, 36 seconds.
• To count from 1 to 138,669,843,456 would take you about eight thousand, eight hundred eighteen 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 138669843456 cubic inches would be around 431.3 feet tall.

Recreational maths with 138669843456

• 138669843456 backwards is 654348966831
• The number of decimal digits it has is: 12
• The sum of 138669843456's digits is 63
• More coming soon!