640935701013080

Names of 640935701013080

• Cardinal: 640935701013080 can be written as Six hundred forty trillion, nine hundred thirty-five billion, seven hundred one million, thirteen thousand and eighty.

Scientific notation

• Scientific notation: 6.4093570101308 × 10¹⁴

Factors of 640935701013080

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3460029056

Divisors of 640935701013080

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 421 440 842 1684 2105 3368 4210 4631 8420 9262 16840 18524 23155 37048 46310 92620 185240 3460028617 6920057234 13840114468 17300143085 27680228936 34600286170 38060314787 69200572340 76120629574 138401144680 152241259148 190301573935 304482518296 380603147870 761206295740 1456672047757 1522412591480 2913344095514 5826688191028 7283360238785 11653376382056 14566720477570 16023392525327 29133440955140 32046785050654 58266881910280 64093570101308 80116962626635 128187140202616 160233925253270 320467850506540 640935701013080
• Sum of all divisors σ(n): 1576942642939680
• Sum of proper divisors (its aliquot sum) s(n): 936006941926600
• 640935701013080 is an abundant number, because the sum of its proper divisors (936006941926600) is greater than itself. Its abundance is 295071240913520

Bases of 640935701013080

• Binary: 10010001101110110101111000110010000110001001011000₂
• Hexadecimal: 0x246ED78C86258
• Base-36: 6B6XSNWW9K

Squares and roots of 640935701013080

• 640935701013080 squared (640935701013080²) is 410798572833128278938331086400
• 640935701013080 cubed (640935701013080³) is 263295471253973874816920088520388937010112000
• The square root of 640935701013080 is 25316707.9418529455
• The cube root of 640935701013080 is 86219.3652070811

Scales and comparisons

• 640,935,701,013,080 seconds is equal to 20,379,772 years, 38 weeks, 6 days, 5 hours, 51 minutes, 20 seconds.
• To count from 1 to 640,935,701,013,080 would take you about fifty million, nine hundred forty-nine thousand, four hundred thirty-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 640935701013080 cubic inches would be around 7184.9 feet tall.

Recreational maths with 640935701013080

• 640935701013080 backwards is 080310107539046
• The number of decimal digits it has is: 15
• The sum of 640935701013080's digits is 47
• More coming soon!