121428738709819089

Names of 121428738709819089

• Cardinal: 121428738709819089 can be written as One hundred twenty-one quadrillion, four hundred twenty-eight trillion, seven hundred thirty-eight billion, seven hundred nine million, eight hundred nineteen thousand and eighty-nine.

Scientific notation

• Scientific notation: 1.21428738709819089 × 10¹⁷

Factors of 121428738709819089

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 644310

Divisors of 121428738709819089

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 31 93 97 291 2213 3007 6639 9021 9619 28857 68603 205809 214661 298189 632347 643983 894567 933043 1897041 2799129 6654491 19602757 19963473 21286847 28924333 58808271 61337659 63860541 86772999 184012977 659892257 1399383911 1901467429 1979676771 2064824159 4198151733 5704402287 6082545793 6194472477 18247637379 43380901241 64009548929 130142703723 135740239367 188558919583 192028646787 407220718101 565676758749 590006941921 1770020825763 4207947420377 12623842261131 13460673839909 18290215199551 40382021519727 54870645598653 417280889037179 1251842667111537 1305685362471173 3917056087413519 40476246236606363 121428738709819089
• Sum of all divisors σ(n): 168944821076828160
• Sum of proper divisors (its aliquot sum) s(n): 47516082367009071
• 121428738709819089 is a deficient number, because the sum of its proper divisors (47516082367009071) is less than itself. Its deficiency is 73912656342810018

Bases of 121428738709819089

• Binary: 110101111011001101100101101100100010100101000111011010001₂
• Hexadecimal: 0x1AF66CB64528ED1
• Base-36: X7MW8GMP8SX

Squares and roots of 121428738709819089

• 121428738709819089 squared (121428738709819089²) is 14744938584657516875002503108789921
• 121428738709819089 cubed (121428738709819089³) is 1790459294688707309867805704557840443550627616601969
• The square root of 121428738709819089 is 348466266.2436912113
• The cube root of 121428738709819089 is 495192.2372877331

Scales and comparisons

• 121,428,738,709,819,089 seconds is equal to 3,861,058,287 years, 11 weeks, 3 days, 19 hours, 58 minutes, 9 seconds.
• To count from 1 to 121,428,738,709,819,089 would take you about eleven billion, five hundred eighty-three million, one hundred seventy-four thousand, eight hundred sixty-one 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 121428738709819089 cubic inches would be around 41266 feet tall.

Recreational maths with 121428738709819089

• 121428738709819089 backwards is 980918907837824121
• The number of decimal digits it has is: 18
• The sum of 121428738709819089's digits is 87
• More coming soon!