421217088005649728

Names of 421217088005649728

• Cardinal: 421217088005649728 can be written as Four hundred twenty-one quadrillion, two hundred seventeen trillion, eighty-eight billion, five million, six hundred forty-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.21217088005649728 × 10¹⁷

Factors of 421217088005649728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2623163411961

Divisors of 421217088005649728

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 64 104 193 208 386 416 772 832 1544 2509 3088 5018 6176 10036 12352 20072 40144 80288 160576 2623163411753 5246326823506 10492653647012 20985307294024 34101124352789 41970614588048 68202248705578 83941229176096 136404497411156 167882458352192 272808994822312 506270538468329 545617989644624 1012541076936658 1091235979289248 2025082153873316 2182471958578496 4050164307746632 6581517000088277 8100328615493264 13163034000176554 16200657230986528 26326068000353108 32401314461973056 52652136000706216 105304272001412432 210608544002824864 421217088005649728
• Sum of all divisors σ(n): 904813001943130728
• Sum of proper divisors (its aliquot sum) s(n): 483595913937481000
• 421217088005649728 is an abundant number, because the sum of its proper divisors (483595913937481000) is greater than itself. Its abundance is 62378825931831272

Bases of 421217088005649728

• Binary: 10111011000011101101011010110110111111001101011010101000000₂
• Hexadecimal: 0x5D876B5B7E6B540
• Base-36: 377GZUVBMWJK

Squares and roots of 421217088005649728

• 421217088005649728 squared (421217088005649728²) is 177423835227959267952336047426473984
• 421217088005649728 cubed (421217088005649728³) is 74733951217515215439249500553419081280793270008676352
• The square root of 421217088005649728 is 649012394.3390062315
• The cube root of 421217088005649728 is 749609.9233810513

Scales and comparisons

• 421,217,088,005,649,728 seconds is equal to 13,393,400,488 years, 30 weeks, 1 day, 4 hours, 2 minutes, 8 seconds.
• To count from 1 to 421,217,088,005,649,728 would take you about forty billion, one hundred eighty million, two hundred one thousand, four hundred sixty-five 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 421217088005649728 cubic inches would be around 62467.5 feet tall.

Recreational maths with 421217088005649728

• 421217088005649728 backwards is 827946500880712124
• The number of decimal digits it has is: 18
• The sum of 421217088005649728's digits is 74
• More coming soon!