640413696

Names of 640413696

• Cardinal: 640413696 can be written as Six hundred forty million, four hundred thirteen thousand, six hundred ninety-six.

Scientific notation

• Scientific notation: 6.40413696 × 10⁸

Factors of 640413696

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 248

Divisors of 640413696

• Number of divisors d(n): 208
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 19 24 26 32 38 39 48 52 57 64 76 78 96 104 114 128 152 156 192 208 211 228 247 256 304 312 384 416 422 456 494 512 608 624 633 741 768 832 844 912 988 1024 1216 1248 1266 1482 1536 1664 1688 1824 1976 2048 2432 2496 2532 2743 2964 3072 3328 3376 3648 3952 4009 4096 4864 4992 5064 5486 5928 6144 6656 6752 7296 7904 8018 8229 9728 9984 10128 10972 11856 12027 12288 13312 13504 14592 15808 16036 16458 19456 19968 20256 21944 23712 24054 26624 27008 29184 31616 32072 32916 38912 39936 40512 43888 47424 48108 52117 53248 54016 58368 63232 64144 65832 77824 79872 81024 87776 94848 96216 104234 108032 116736 126464 128288 131664 156351 159744 162048 175552 189696 192432 208468 216064 233472 252928 256576 263328 312702 324096 351104 379392 384864 416936 432128 505856 513152 526656 625404 648192 702208 758784 769728 833872 864256 1011712 1026304 1053312 1250808 1296384 1404416 1517568 1539456 1667744 2052608 2106624 2501616 2592768 2808832 3035136 3078912 3335488 4105216 4213248 5003232 5617664 6157824 6670976 8210432 8426496 10006464 11235328 12315648 13341952 16420864 16852992 20012928 24631296 26683904 33705984 40025856 49262592 53367808 80051712 106735616 160103424 213471232 320206848 640413696
• Sum of all divisors σ(n): 1944871040
• Sum of proper divisors (its aliquot sum) s(n): 1304457344
• 640413696 is an abundant number, because the sum of its proper divisors (1304457344) is greater than itself. Its abundance is 664043648

Bases of 640413696

• Binary: 100110001010111111000000000000₂
• Hexadecimal: 0x262BF000
• Base-36: ALAADC

Squares and roots of 640413696

• 640413696 squared (640413696²) is 410129702024380416
• 640413696 cubed (640413696³) is 262652678312812144320577536
• The square root of 640413696 is 25306.3963455883
• The cube root of 640413696 is 861.9595195629

Scales and comparisons

• 640,413,696 seconds is equal to 20 years, 18 weeks, 6 days, 4 hours, 41 minutes, 36 seconds.
• To count from 1 to 640,413,696 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 640413696 cubic inches would be around 71.8 feet tall.

Recreational maths with 640413696

• 640413696 backwards is 696314046
• 640413696 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 640413696's digits is 39
• More coming soon!