138087157040

Names of 138087157040

• Cardinal: 138087157040 can be written as One hundred thirty-eight billion, eighty-seven million, one hundred fifty-seven thousand and forty.

Scientific notation

• Scientific notation: 1.3808715704 × 10¹¹

Factors of 138087157040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 438

Divisors of 138087157040

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 35 40 41 56 70 80 82 112 140 164 205 280 287 328 383 410 560 574 656 766 820 1148 1435 1532 1640 1681 1915 2296 2681 2870 3064 3280 3362 3830 4592 5362 5740 6128 6724 7660 8405 10724 11480 11767 13405 13448 15320 15703 16810 21448 22960 23534 26810 26896 30640 31406 33620 42896 47068 53620 58835 62812 67240 78515 94136 107240 109921 117670 125624 134480 146689 157030 188272 214480 219842 235340 251248 293378 314060 439684 470680 549605 586756 628120 643823 733445 879368 941360 1026823 1099210 1173512 1256240 1287646 1466890 1758736 2053646 2198420 2347024 2575292 2933780 3219115 4107292 4396840 4506761 5134115 5150584 5867560 6014249 6438230 8214584 8793680 9013522 10268230 10301168 11735120 12028498 12876460 16429168 18027044 20536460 22533805 24056996 25752920 30071245 36054088 41072920 42099743 45067610 48113992 51505840 60142490 72108176 82145840 84199486 90135220 96227984 120284980 168398972 180270440 210498715 240569960 246584209 336797944 360540880 420997430 481139920 493168418 673595888 841994860 986336836 1232921045 1683989720 1726089463 1972673672 2465842090 3367979440 3452178926 3945347344 4931684180 6904357852 8630447315 9863368360 13808715704 17260894630 19726736720 27617431408 34521789260 69043578520 138087157040
• Sum of all divisors σ(n): 377069287152
• Sum of proper divisors (its aliquot sum) s(n): 238982130112
• 138087157040 is an abundant number, because the sum of its proper divisors (238982130112) is greater than itself. Its abundance is 100894973072

Bases of 138087157040

• Binary: 10000000100110101000101100110100110000₂
• Hexadecimal: 0x2026A2CD30
• Base-36: 1RFPJ0A8

Squares and roots of 138087157040

• 138087157040 squared (138087157040²) is 19068062939389621561600
• 138087157040 cubed (138087157040³) is 2633054601560098674322829233664000
• The square root of 138087157040 is 371600.8033360531
• The cube root of 138087157040 is 5168.7369389007

Scales and comparisons

• 138,087,157,040 seconds is equal to 4,390 years, 38 weeks, 4 days, 23 hours, 37 minutes, 20 seconds.
• To count from 1 to 138,087,157,040 would take you about eight thousand, seven hundred eighty-one 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 138087157040 cubic inches would be around 430.7 feet tall.

Recreational maths with 138087157040

• 138087157040 backwards is 040751780831
• The number of decimal digits it has is: 12
• The sum of 138087157040's digits is 44
• More coming soon!