18772721028040672

Names of 18772721028040672

• Cardinal: 18772721028040672 can be written as Eighteen quadrillion, seven hundred seventy-two trillion, seven hundred twenty-one billion, twenty-eight million, forty thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.8772721028040672 × 10¹⁶

Factors of 18772721028040672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7618799118543

Divisors of 18772721028040672

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 32 44 56 77 88 112 154 176 224 308 352 616 1232 2464 7618799118523 15237598237046 30475196474092 53331593829661 60950392948184 83806790303753 106663187659322 121900785896368 167613580607506 213326375318644 243801571792736 335227161215012 426652750637288 586647532126271 670454322430024 853305501274576 1173295064252542 1340908644860048 1706611002549152 2346590128505084 2681817289720096 4693180257010168 9386360514020336 18772721028040672
• Sum of all divisors σ(n): 46078497068833152
• Sum of proper divisors (its aliquot sum) s(n): 27305776040792480
• 18772721028040672 is an abundant number, because the sum of its proper divisors (27305776040792480) is greater than itself. Its abundance is 8533055012751808

Bases of 18772721028040672

• Binary: 1000010101100011011000010111000010110000000011111100000₂
• Hexadecimal: 0x42B1B0B85807E0
• Base-36: 54UDGZESVDS

Squares and roots of 18772721028040672

• 18772721028040672 squared (18772721028040672²) is 352415054796640425003303286211584
• 18772721028040672 cubed (18772721028040672³) is 6615789509778997395323057529891439765245149544448
• The square root of 18772721028040672 is 137013579.7212840943
• The cube root of 18772721028040672 is 265771.9087354595

Scales and comparisons

• 18,772,721,028,040,672 seconds is equal to 596,914,460 years, 44 weeks, 2 days, 11 hours, 17 minutes, 52 seconds.
• To count from 1 to 18,772,721,028,040,672 would take you about one billion, seven hundred ninety million, seven hundred forty-three thousand, three hundred eighty-two 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 18772721028040672 cubic inches would be around 22147.7 feet tall.

Recreational maths with 18772721028040672

• 18772721028040672 backwards is 27604082012727781
• The number of decimal digits it has is: 17
• The sum of 18772721028040672's digits is 64
• More coming soon!