1331731187774853021

Names of 1331731187774853021

• Cardinal: 1331731187774853021 can be written as One quintillion, three hundred thirty-one quadrillion, seven hundred thirty-one trillion, one hundred eighty-seven billion, seven hundred seventy-four million, eight hundred fifty-three thousand and twenty-one.

Scientific notation

• Scientific notation: 1.331731187774853021 × 10¹⁸

Factors of 1331731187774853021

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 655467303

Divisors of 1331731187774853021

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 13 17 39 51 117 153 221 663 1989 1023079 3069237 9207711 13300027 17392343 39900081 52177029 119700243 156531087 226100459 654444191 678301377 1963332573 2034904131 5889997719 8507774483 11125551247 25523323449 33376653741 76569970347 100129961223 144632166211 433896498633 1301689495899 669548108484089 2008644325452267 6025932976356801 8704125410293157 11382317844229513 26112376230879471 34146953532688539 78337128692638413 102440860598065617 147970131974983669 443910395924951007 1331731187774853021
• Sum of all divisors σ(n): 2193441750704655360
• Sum of proper divisors (its aliquot sum) s(n): 861710562929802339
• 1331731187774853021 is a deficient number, because the sum of its proper divisors (861710562929802339) is less than itself. Its deficiency is 470020624845050682

Bases of 1331731187774853021

• Binary: 1001001111011010000100111010110011111101000010000111110011101₂
• Hexadecimal: 0x127B42759FA10F9D
• Base-36: A48RB1TKTML9

Squares and roots of 1331731187774853021

• 1331731187774853021 squared (1331731187774853021²) is 1773507956492220836414129058152826441
• 1331731187774853021 cubed (1331731187774853021³) is 2361835857427537608599454792279690291471517714497528261
• The square root of 1331731187774853021 is 1154006580.4729421131
• The cube root of 1331731187774853021 is 1100201.3922651509

Scales and comparisons

• 1,331,731,187,774,853,021 seconds is equal to 42,344,932,456 years, 10 weeks, 6 days, 19 hours, 10 minutes, 21 seconds.
• To count from 1 to 1,331,731,187,774,853,021 would take you about one hundred forty-eight billion, two hundred seven million, two hundred sixty-three thousand, five hundred ninety-six 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 1331731187774853021 cubic inches would be around 91683.4 feet tall.

Recreational maths with 1331731187774853021

• 1331731187774853021 backwards is 1203584777811371331
• The number of decimal digits it has is: 19
• The sum of 1331731187774853021's digits is 72
• More coming soon!