40209987765640868

Names of 40209987765640868

• Cardinal: 40209987765640868 can be written as Forty quadrillion, two hundred nine trillion, nine hundred eighty-seven billion, seven hundred sixty-five million, six hundred forty thousand, eight hundred sixty-eight.

Scientific notation

• Scientific notation: 4.0209987765640868 × 10¹⁶

Factors of 40209987765640868

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 178943

Divisors of 40209987765640868

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 14 28 61 122 244 427 854 1708 4111 8222 16444 28777 43691 57554 87382 115108 131071 174764 250771 262142 305837 501542 524284 611674 917497 1003084 1223348 1755397 1834994 2665151 3510794 3669988 5330302 7021588 7995331 10660604 15990662 18656057 31981324 37312114 55967317 74624228 111934634 179613701 223869268 359227402 538832881 718454804 1077665762 1257295907 2155331524 2514591814 3771830167 5029183628 5726623061 7543660334 10956435761 11453246122 15087320668 21912871522 22906492244 32868805741 40086361427 43825743044 65737611482 76695050327 80172722854 131475222964 153390100654 160345445708 230081640187 306780201308 349324006721 460163280374 698648013442 920326560748 1397296026884 2445268047047 4890536094094 9781072188188 23542147403771 47084294807542 94168589615084 164795031826397 329590063652794 659180127305588 1436070991630031 2872141983260062 5744283966520124 10052496941410217 20104993882820434 40209987765640868
• Sum of all divisors σ(n): 81760713688743936
• Sum of proper divisors (its aliquot sum) s(n): 41550725923103068
• 40209987765640868 is an abundant number, because the sum of its proper divisors (41550725923103068) is greater than itself. Its abundance is 1340738157462200

Bases of 40209987765640868

• Binary: 10001110110110101100010101010101001100011001111010100100₂
• Hexadecimal: 0x8EDAC555319EA4
• Base-36: AZX91D8JLB8

Squares and roots of 40209987765640868

• 40209987765640868 squared (40209987765640868²) is 1616843116112988284103370751793424
• 40209987765640868 cubed (40209987765640868³) is 65013241917863916275521980500529189854417708052032
• The square root of 40209987765640868 is 200524282.2344487735
• The cube root of 40209987765640868 is 342592.6018546269

Scales and comparisons

• 40,209,987,765,640,868 seconds is equal to 1,278,553,233 years, 15 weeks, 3 hours, 21 minutes, 8 seconds.
• To count from 1 to 40,209,987,765,640,868 would take you about three billion, eight hundred thirty-five million, six hundred fifty-nine thousand, six hundred ninety-nine 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 40209987765640868 cubic inches would be around 28549.4 feet tall.

Recreational maths with 40209987765640868

• 40209987765640868 backwards is 86804656778990204
• The number of decimal digits it has is: 17
• The sum of 40209987765640868's digits is 89
• More coming soon!