138940040960

Names of 138940040960

• Cardinal: 138940040960 can be written as One hundred thirty-eight billion, nine hundred forty million, forty thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 1.3894004096 × 10¹¹

Factors of 138940040960

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 16090

Divisors of 138940040960

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 128 139 140 160 196 224 245 256 278 280 320 392 448 490 556 560 640 695 784 896 973 980 1112 1120 1280 1390 1568 1792 1946 1960 2224 2240 2780 3136 3892 3920 4448 4480 4865 5560 6272 6811 7784 7840 8896 8960 9730 11120 12544 13622 15568 15680 15937 17792 19460 22240 27244 31136 31360 31874 34055 35584 38920 44480 54488 62272 62720 63748 68110 77840 79685 88960 108976 111559 124544 127496 136220 155680 159370 177920 217952 223118 249088 254992 272440 311360 318740 435904 446236 509984 544880 557795 622720 637480 780913 871808 892472 1019968 1089760 1115590 1245440 1274960 1561826 1743616 1784944 2039936 2179520 2215243 2231180 2549920 3123652 3569888 3904565 4079872 4359040 4430486 4462360 5099840 6247304 7139776 7809130 8718080 8860972 8924720 10199680 11076215 12494608 14279552 15506701 15618260 17721944 17849440 20399360 22152430 24989216 28559104 31013402 31236520 35443888 35698880 44304860 49978432 62026804 62473040 70887776 71397760 77533505 88609720 99956864 108546907 124053608 124946080 141775552 142795520 155067010 177219440 199913728 217093814 248107216 249892160 283551104 310134020 354438880 434187628 496214432 499784320 542734535 567102208 620268040 708877760 868375256 992428864 999568640 1085469070 1240536080 1417755520 1736750512 1984857728 2170938140 2481072160 2835511040 3473501024 3969715456 4341876280 4962144320 6947002048 8683752560 9924288640 13894004096 17367505120 19848577280 27788008192 34735010240 69470020480 138940040960
• Sum of all divisors σ(n): 389949945840
• Sum of proper divisors (its aliquot sum) s(n): 251009904880
• 138940040960 is an abundant number, because the sum of its proper divisors (251009904880) is greater than itself. Its abundance is 112069863920

Bases of 138940040960

• Binary: 10000001011001011110001100011100000000₂
• Hexadecimal: 0x205978C700
• Base-36: 1RTTB9Q8

Squares and roots of 138940040960

• 138940040960 squared (138940040960²) is 19304334981966477721600
• 138940040960 cubed (138940040960³) is 2682145093099983275986031476736000
• The square root of 138940040960 is 372746.6176372363
• The cube root of 138940040960 is 5179.3565307351

Scales and comparisons

• 138,940,040,960 seconds is equal to 4,417 years, 44 weeks, 6 days, 7 hours, 49 minutes, 20 seconds.
• To count from 1 to 138,940,040,960 would take you about eight thousand, eight hundred thirty-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 138940040960 cubic inches would be around 431.6 feet tall.

Recreational maths with 138940040960

• 138940040960 backwards is 069040049831
• The number of decimal digits it has is: 12
• The sum of 138940040960's digits is 44
• More coming soon!