640427023008

Names of 640427023008

• Cardinal: 640427023008 can be written as Six hundred forty billion, four hundred twenty-seven million, twenty-three thousand and eight.

Scientific notation

• Scientific notation: 6.40427023008 × 10¹¹

Factors of 640427023008

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1646

Divisors of 640427023008

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 53 68 72 96 102 106 136 144 153 159 204 212 272 288 306 318 408 424 477 544 612 636 816 848 901 954 1224 1272 1571 1632 1696 1802 1908 2448 2544 2703 3142 3604 3816 4713 4896 5088 5406 6284 7208 7632 8109 9426 10812 12568 14139 14416 15264 16218 18852 21624 25136 26707 28278 28832 32436 37704 43248 50272 53414 56556 64872 75408 80121 83263 86496 106828 113112 129744 150816 160242 166526 213656 226224 240363 249789 259488 320484 333052 427312 452448 480726 499578 640968 666104 749367 854624 961452 999156 1281936 1332208 1415471 1498734 1922904 1998312 2468041 2563872 2664416 2830942 2997468 3845808 3996624 4246413 4936082 5661884 5994936 7404123 7691616 7993248 8492826 9872164 11323768 11989872 12739239 14808246 16985652 19744328 22212369 22647536 23979744 25478478 29616492 33971304 39488656 41956697 44424738 45295072 50956956 59232984 67942608 78977312 83913394 88849476 101913912 118465968 125870091 130806173 135885216 167826788 177698952 203827824 236931936 251740182 261612346 335653576 355397904 377610273 392418519 407655648 503480364 523224692 671307152 710795808 755220546 784837038 1006960728 1046449384 1177255557 1342614304 1510441092 1569674076 2013921456 2092898768 2223704941 2354511114 3020882184 3139348152 4027842912 4185797536 4447409882 4709022228 6041764368 6278696304 6671114823 8894819764 9418044456 12083528736 12557392608 13342229646 17789639528 18836088912 20013344469 26684459292 35579279056 37672177824 40026688938 53368918584 71158558112 80053377876 106737837168 160106755752 213475674336 320213511504 640427023008
• Sum of all divisors σ(n): 1965979881684
• Sum of proper divisors (its aliquot sum) s(n): 1325552858676
• 640427023008 is an abundant number, because the sum of its proper divisors (1325552858676) is greater than itself. Its abundance is 685125835668

Bases of 640427023008

• Binary: 1001010100011100011011001101101010100000₂
• Hexadecimal: 0x951C6CDAA0
• Base-36: 867HPPK0

Squares and roots of 640427023008

• 640427023008 squared (640427023008²) is 410146771798889361368064
• 640427023008 cubed (640427023008³) is 262669076059504242581711549684416512
• The square root of 640427023008 is 800266.8448761325
• The cube root of 640427023008 is 8619.6549864693

Scales and comparisons

• 640,427,023,008 seconds is equal to 20,363 years, 31 weeks, 19 hours, 16 minutes, 48 seconds.
• To count from 1 to 640,427,023,008 would take you about forty thousand, seven hundred twenty-seven 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 640427023008 cubic inches would be around 718.3 feet tall.

Recreational maths with 640427023008

• 640427023008 backwards is 800320724046
• 640427023008 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 640427023008's digits is 36
• More coming soon!