1331787018920128

Names of 1331787018920128

• Cardinal: 1331787018920128 can be written as One quadrillion, three hundred thirty-one trillion, seven hundred eighty-seven billion, eighteen million, nine hundred twenty thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.331787018920128 × 10¹⁵

Factors of 1331787018920128

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1076

Divisors of 1331787018920128

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 8 16 32 64 167 334 668 907 1336 1814 2672 3628 5344 7256 10688 14512 27889 29024 55778 58048 111556 151469 223112 302938 446224 605876 822649 892448 1211752 1645298 1784896 2423504 3290596 4847008 6581192 9694016 13162384 25295323 26324768 50590646 52649536 101181292 137382383 202362584 274764766 404725168 549529532 746142643 809450336 1099059064 1492285286 1618900672 2198118128 2984570572 4396236256 5969141144 8792472512 11938282288 22942857961 23876564576 45885715922 47753129152 91771431844 124605821381 183542863688 249211642762 367085727376 498423285524 734171454752 996846571048 1468342909504 1993693142096 3987386284192 7974772568384 20809172170627 41618344341254 83236688682508 166473377365016 332946754730032 665893509460064 1331787018920128
• Sum of all divisors σ(n): 2661619095521800
• Sum of proper divisors (its aliquot sum) s(n): 1329832076601672
• 1331787018920128 is a deficient number, because the sum of its proper divisors (1329832076601672) is less than itself. Its deficiency is 1954942318456

Bases of 1331787018920128

• Binary: 100101110110100000011010100001011011110000011000000₂
• Hexadecimal: 0x4BB40D42DE0C0
• Base-36: D42UIDCCSG

Squares and roots of 1331787018920128

• 1331787018920128 squared (1331787018920128²) is 1773656663764161375443243536384
• 1331787018920128 cubed (1331787018920128³) is 2362132920822292292188326015632462651557937152
• The square root of 1331787018920128 is 36493657.2423226445
• The cube root of 1331787018920128 is 110021.6766900801

Scales and comparisons

• 1,331,787,018,920,128 seconds is equal to 42,346,707 years, 37 weeks, 20 hours, 55 minutes, 28 seconds.
• To count from 1 to 1,331,787,018,920,128 would take you about one hundred twenty-seven million, forty thousand, one hundred twenty-three 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 1331787018920128 cubic inches would be around 9168.5 feet tall.

Recreational maths with 1331787018920128

• 1331787018920128 backwards is 8210298107871331
• The number of decimal digits it has is: 16
• The sum of 1331787018920128's digits is 61
• More coming soon!