138912383251840

Names of 138912383251840

• Cardinal: 138912383251840 can be written as One hundred thirty-eight trillion, nine hundred twelve billion, three hundred eighty-three million, two hundred fifty-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.3891238325184 × 10¹⁴

Factors of 138912383251840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 334438596

Divisors of 138912383251840

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 59 64 80 88 110 118 128 160 176 220 236 295 320 352 440 472 590 640 649 704 880 944 1180 1298 1408 1760 1888 2360 2596 3245 3520 3776 4720 5192 6490 7040 7552 9440 10384 12980 18880 20768 25960 37760 41536 51920 83072 103840 207680 415360 334438519 668877038 1337754076 1672192595 2675508152 3344385190 3678823709 5351016304 6688770380 7357647418 10702032608 13377540760 14715294836 18394118545 19731872621 21404065216 26755081520 29430589672 36788237090 39463745242 42808130432 53510163040 58861179344 73576474180 78927490484 98659363105 107020326080 117722358688 147152948360 157854980968 197318726210 214040652160 217050598831 235444717376 294305896720 315709961936 394637452420 434101197662 470889434752 588611793440 631419923872 789274904840 868202395324 1085252994155 1177223586880 1262839847744 1578549809680 1736404790648 2170505988310 2354447173760 2525679695488 3157099619360 3472809581296 4341011976620 6314199238720 6945619162592 8682023953240 12628398477440 13891238325184 17364047906480 27782476650368 34728095812960 69456191625920 138912383251840
• Sum of all divisors σ(n): 368417473632000
• Sum of proper divisors (its aliquot sum) s(n): 229505090380160
• 138912383251840 is an abundant number, because the sum of its proper divisors (229505090380160) is greater than itself. Its abundance is 90592707128320

Bases of 138912383251840

• Binary: 11111100101011100001111010000100011010110000000₂
• Hexadecimal: 0x7E570F423580
• Base-36: 1D8NGUDK74

Squares and roots of 138912383251840

• 138912383251840 squared (138912383251840²) is 19296650220706078132863385600
• 138912383251840 cubed (138912383251840³) is 2680543670935425647602862224124199829504000
• The square root of 138912383251840 is 11786109.7590273611
• The cube root of 138912383251840 is 51790.1283658565

Scales and comparisons

• 138,912,383,251,840 seconds is equal to 4,416,984 years, 5 weeks, 2 days, 13 hours, 30 minutes, 40 seconds.
• To count from 1 to 138,912,383,251,840 would take you about eleven million, forty-two thousand, four hundred sixty 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 138912383251840 cubic inches would be around 4315.8 feet tall.

Recreational maths with 138912383251840

• 138912383251840 backwards is 048152383219831
• The number of decimal digits it has is: 15
• The sum of 138912383251840's digits is 58
• More coming soon!