138469616640

Names of 138469616640

• Cardinal: 138469616640 can be written as One hundred thirty-eight billion, four hundred sixty-nine million, six hundred sixteen thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.3846961664 × 10¹¹

Factors of 138469616640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 17602

Divisors of 138469616640

• Number of divisors d(n): 440
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 27 30 32 36 38 40 45 48 54 57 60 64 72 76 80 81 90 95 96 108 114 120 128 135 144 152 160 162 171 180 190 192 216 228 240 256 270 285 288 304 320 324 342 360 380 384 405 432 456 480 512 513 540 570 576 608 640 648 684 720 760 768 810 855 864 912 960 1024 1026 1080 1140 1152 1216 1280 1296 1368 1440 1520 1536 1539 1620 1710 1728 1824 1920 2052 2160 2280 2304 2432 2560 2565 2592 2736 2880 3040 3072 3078 3240 3420 3456 3648 3840 4104 4320 4560 4608 4864 5120 5130 5184 5472 5760 6080 6156 6480 6840 6912 7296 7680 7695 8208 8640 9120 9216 9728 10260 10368 10944 11520 12160 12312 12960 13680 13824 14592 15360 15390 16416 17280 17573 18240 19456 20520 20736 21888 23040 24320 24624 25920 27360 27648 29184 30780 32832 34560 35146 36480 41040 41472 43776 46080 48640 49248 51840 52719 54720 58368 61560 65664 69120 70292 72960 82080 82944 87552 87865 97280 98496 103680 105438 109440 123120 131328 138240 140584 145920 158157 164160 175104 175730 196992 207360 210876 218880 246240 262656 263595 281168 291840 316314 328320 333887 351460 393984 414720 421752 437760 474471 492480 525312 527190 562336 632628 656640 667774 702920 787968 790785 843504 875520 948942 984960 1001661 1054380 1124672 1265256 1313280 1335548 1405840 1423413 1575936 1581570 1669435 1687008 1897884 1969920 2003322 2108760 2249344 2372355 2530512 2626560 2671096 2811680 2846826 3004983 3163140 3338870 3374016 3795768 3939840 4006644 4217520 4498688 4744710 5008305 5061024 5342192 5623360 5693652 6009966 6326280 6677740 6748032 7117065 7591536 7879680 8013288 8435040 8997376 9014949 9489420 10016610 10122048 10684384 11246720 11387304 12019932 12652560 13355480 13496064 14234130 15024915 15183072 16026576 16870080 17994752 18029898 18978840 20033220 20244096 21368768 22493440 22774608 24039864 25305120 26710960 26992128 27044847 28468260 30049830 30366144 32053152 33740160 36059796 37957680 40066440 40488192 42737536 44986880 45074745 45549216 48079728 50610240 53421920 53984256 54089694 56936520 60099660 60732288 64106304 67480320 72119592 75915360 80132880 80976384 85475072 89973760 90149490 91098432 96159456 101220480 106843840 108179388 113873040 120199320 121464576 128212608 134960640 135224235 144239184 151830720 160265760 161952768 170950144 180298980 182196864 192318912 202440960 213687680 216358776 227746080 240398640 242929152 256425216 269921280 270448470 288478368 303661440 320531520 341900288 360597960 364393728 384637824 404881920 427375360 432717552 455492160 480797280 485858304 512850432 540896940 576956736 607322880 641063040 721195920 728787456 769275648 809763840 854750720 865435104 910984320 961594560 1025700864 1081793880 1153913472 1214645760 1282126080 1442391840 1457574912 1538551296 1709501440 1730870208 1821968640 1923189120 2163587760 2307826944 2429291520 2564252160 2884783680 3077102592 3461740416 3643937280 3846378240 4327175520 4615653888 5128504320 5769567360 6923480832 7287874560 7692756480 8654351040 9231307776 11539134720 13846961664 15385512960 17308702080 23078269440 27693923328 34617404160 46156538880 69234808320 138469616640
• Sum of all divisors σ(n): 522342160560
• Sum of proper divisors (its aliquot sum) s(n): 383872543920
• 138469616640 is an abundant number, because the sum of its proper divisors (383872543920) is greater than itself. Its abundance is 245402927280

Bases of 138469616640

• Binary: 10000000111101011011101010110000000000₂
• Hexadecimal: 0x203D6EAC00
• Base-36: 1RM18G00

Squares and roots of 138469616640

• 138469616640 squared (138469616640²) is 19173834732428564889600
• 138469616640 cubed (138469616640³) is 2654993544918100356448275922944000
• The square root of 138469616640 is 372115.0583354563
• The cube root of 138469616640 is 5173.5044853097

Scales and comparisons

• 138,469,616,640 seconds is equal to 4,402 years, 47 weeks, 14 hours, 24 minutes.
• To count from 1 to 138,469,616,640 would take you about eight thousand, eight hundred five 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 138469616640 cubic inches would be around 431.1 feet tall.

Recreational maths with 138469616640

• 138469616640 backwards is 046616964831
• 138469616640 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138469616640's digits is 54
• More coming soon!