1021855545207440

Names of 1021855545207440

• Cardinal: 1021855545207440 can be written as One quadrillion, twenty-one trillion, eight hundred fifty-five billion, five hundred forty-five million, two hundred seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.02185554520744 × 10¹⁵

Factors of 1021855545207440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 25550802

Divisors of 1021855545207440

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 71 80 142 284 355 568 710 1136 1420 2840 5680 7043 14086 28172 35215 56344 70430 112688 140860 281720 500053 563440 1000106 2000212 2500265 4000424 5000530 8000848 10001060 20002120 25543681 40004240 51087362 102174724 127718405 204349448 255436810 408698896 510873620 1021747240 1813601351 2043494480 3627202702 7254405404 9068006755 14508810808 18136013510 29017621616 36272027020 72544054040 145088108080 179904145283 359808290566 719616581132 899520726415 1439233162264 1799041452830 2878466324528 3598082905660 7196165811320 12773194315093 14392331622640 25546388630186 51092777260372 63865971575465 102185554520744 127731943150930 204371109041488 255463886301860 510927772603720 1021855545207440
• Sum of all divisors σ(n): 2409618488939136
• Sum of proper divisors (its aliquot sum) s(n): 1387762943731696
• 1021855545207440 is an abundant number, because the sum of its proper divisors (1387762943731696) is greater than itself. Its abundance is 365907398524256

Bases of 1021855545207440

• Binary: 11101000010101111101001000110010001010101010010000₂
• Hexadecimal: 0x3A15F48C8AA90
• Base-36: A27TYG36A8

Squares and roots of 1021855545207440

• 1021855545207440 squared (1021855545207440²) is 1044188755271194453552631353600
• 1021855545207440 cubed (1021855545207440³) is 1067010069817124546529457875461973559990784000
• The square root of 1021855545207440 is 31966475.3328770985
• The cube root of 1021855545207440 is 100723.2743042761

Scales and comparisons

• 1,021,855,545,207,440 seconds is equal to 32,491,845 years, 27 weeks, 4 days, 5 hours, 37 minutes, 20 seconds.
• To count from 1 to 1,021,855,545,207,440 would take you about ninety-seven million, four hundred seventy-five thousand, five hundred thirty-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 1021855545207440 cubic inches would be around 8393.6 feet tall.

Recreational maths with 1021855545207440

• 1021855545207440 backwards is 0447025455581201
• The number of decimal digits it has is: 16
• The sum of 1021855545207440's digits is 53
• More coming soon!