640201820431072

Names of 640201820431072

• Cardinal: 640201820431072 can be written as Six hundred forty trillion, two hundred one billion, eight hundred twenty million, four hundred thirty-one thousand and seventy-two.

Scientific notation

• Scientific notation: 6.40201820431072 × 10¹⁴

Factors of 640201820431072

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 15389171

Divisors of 640201820431072

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 16 32 89 178 356 712 1424 2848 14621 29242 58484 116968 233936 467872 1301269 2602538 5205076 10410152 15374459 20820304 30748918 41640608 61497836 122995672 245991344 491982688 1368326851 2736653702 5473307404 10946614808 21893229616 43786459232 224789965039 449579930078 899159860156 1798319720312 3596639440624 7193278881248 20006306888471 40012613776942 80025227553884 160050455107768 320100910215536 640201820431072
• Sum of all divisors σ(n): 1274646357860400
• Sum of proper divisors (its aliquot sum) s(n): 634444537429328
• 640201820431072 is a deficient number, because the sum of its proper divisors (634444537429328) is less than itself. Its deficiency is 5757283001744

Bases of 640201820431072

• Binary: 10010001100100001010011010000101110110001011100000₂
• Hexadecimal: 0x246429A1762E0
• Base-36: 6AXKNMD334

Squares and roots of 640201820431072

• 640201820431072 squared (640201820431072²) is 409858370883258558087903069184
• 640201820431072 cubed (640201820431072³) is 262392075158375604071839298027251266719285248
• The square root of 640201820431072 is 25302209.7934364617
• The cube root of 640201820431072 is 86186.4451687963

Scales and comparisons

• 640,201,820,431,072 seconds is equal to 20,356,437 years, 32 weeks, 37 minutes, 52 seconds.
• To count from 1 to 640,201,820,431,072 would take you about fifty million, eight hundred ninety-one thousand and ninety-four 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 640201820431072 cubic inches would be around 7182.2 feet tall.

Recreational maths with 640201820431072

• 640201820431072 backwards is 270134028102046
• The number of decimal digits it has is: 15
• The sum of 640201820431072's digits is 40
• More coming soon!