121708209985696128

Names of 121708209985696128

• Cardinal: 121708209985696128 can be written as One hundred twenty-one quadrillion, seven hundred eight trillion, two hundred nine billion, nine hundred eighty-five million, six hundred ninety-six thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.21708209985696128 × 10¹⁷

Factors of 121708209985696128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1608875449463

Divisors of 121708209985696128

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 197 384 394 591 788 1182 1576 2364 3152 4728 6304 9456 12608 18912 25216 37824 75648 1608875449261 3217750898522 4826626347783 6435501797044 9653252695566 12871003594088 19306505391132 25742007188176 38613010782264 51484014376352 77226021564528 102968028752704 154452043129056 205936057505408 308904086258112 316948463504417 617808172516224 633896927008834 950845390513251 1267793854017668 1901690781026502 2535587708035336 3803381562053004 5071175416070672 7606763124106008 10142350832141344 15213526248212016 20284701664282688 30427052496424032 40569403328565376 60854104992848064 121708209985696128
• Sum of all divisors σ(n): 324928485732953520
• Sum of proper divisors (its aliquot sum) s(n): 203220275747257392
• 121708209985696128 is an abundant number, because the sum of its proper divisors (203220275747257392) is greater than itself. Its abundance is 81512065761561264

Bases of 121708209985696128

• Binary: 110110000011001001111100011011110011100100011000110000000₂
• Hexadecimal: 0x1B064F8DE723180
• Base-36: XADYJSKMGLC

Squares and roots of 121708209985696128

• 121708209985696128 squared (121708209985696128²) is 14812888377922302685826360754192384
• 121708209985696128 cubed (121708209985696128³) is 1802850129194845319662030494643688573818848675889152
• The square root of 121708209985696128 is 348867037.6887104649
• The cube root of 121708209985696128 is 495571.8453126719

Scales and comparisons

• 121,708,209,985,696,128 seconds is equal to 3,869,944,609 years, 17 weeks, 2 days, 9 hours, 48 minutes, 48 seconds.
• To count from 1 to 121,708,209,985,696,128 would take you about eleven billion, six hundred nine million, eight hundred thirty-three thousand, eight hundred twenty-eight 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 121708209985696128 cubic inches would be around 41297.7 feet tall.

Recreational maths with 121708209985696128

• 121708209985696128 backwards is 821696589902807121
• The number of decimal digits it has is: 18
• The sum of 121708209985696128's digits is 84
• More coming soon!