640107104

Names of 640107104

• Cardinal: 640107104 can be written as Six hundred forty million, one hundred seven thousand, one hundred four.

Scientific notation

• Scientific notation: 6.40107104 × 10⁸

Factors of 640107104

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 516

Divisors of 640107104

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 37 52 56 74 91 104 112 148 169 182 208 224 259 296 338 364 416 457 481 518 592 676 728 914 962 1036 1183 1184 1352 1456 1828 1924 2072 2366 2704 2912 3199 3367 3656 3848 4144 4732 5408 5941 6253 6398 6734 7312 7696 8288 9464 11882 12506 12796 13468 14624 15392 16909 18928 23764 25012 25592 26936 33818 37856 41587 43771 47528 50024 51184 53872 67636 77233 83174 87542 95056 100048 102368 107744 118363 135272 154466 166348 175084 190112 200096 219817 236726 270544 308932 332696 350168 439634 473452 540631 541088 617864 665392 700336 879268 946904 1081262 1235728 1330784 1400672 1538719 1758536 1893808 2162524 2471456 2857621 3077438 3517072 3787616 4325048 5715242 6154876 7034144 8650096 11430484 12309752 17300192 20003347 22860968 24619504 40006694 45721936 49239008 80013388 91443872 160026776 320053552 640107104
• Sum of all divisors σ(n): 1605205728
• Sum of proper divisors (its aliquot sum) s(n): 965098624
• 640107104 is an abundant number, because the sum of its proper divisors (965098624) is greater than itself. Its abundance is 324991520

Bases of 640107104

• Binary: 100110001001110100001001100000₂
• Hexadecimal: 0x26274260
• Base-36: AL3PSW

Squares and roots of 640107104

• 640107104 squared (640107104²) is 409737104591266816
• 640107104 cubed (640107104³) is 262275631421260905281060864
• The square root of 640107104 is 25300.3380214571
• The cube root of 640107104 is 861.8219459507

Scales and comparisons

• 640,107,104 seconds is equal to 20 years, 18 weeks, 2 days, 15 hours, 31 minutes, 44 seconds.
• To count from 1 to 640,107,104 would take you about thirty 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 640107104 cubic inches would be around 71.8 feet tall.

Recreational maths with 640107104

• 640107104 backwards is 401701046
• The number of decimal digits it has is: 9
• The sum of 640107104's digits is 23
• More coming soon!