664615007420

Names of 664615007420

• Cardinal: 664615007420 can be written as Six hundred sixty-four billion, six hundred fifteen million, seven thousand, four hundred twenty.

Scientific notation

• Scientific notation: 6.6461500742 × 10¹¹

Factors of 664615007420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 16919

Divisors of 664615007420

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 26 28 35 49 52 65 70 91 98 130 140 169 182 196 241 245 260 338 364 455 482 490 637 676 845 910 964 980 1183 1205 1274 1687 1690 1820 2366 2410 2548 3133 3185 3374 3380 4732 4820 5915 6266 6370 6748 8281 8435 11809 11830 12532 12740 15665 16562 16651 16870 21931 23618 23660 31330 33124 33302 33740 40729 41405 43862 47236 59045 62660 66604 81458 82810 83255 87724 109655 116557 118090 153517 162916 165620 166510 203645 216463 219310 233114 236180 285103 307034 333020 407290 432926 438620 466228 570206 582785 614068 767585 814580 815899 865852 1082315 1140412 1165570 1425515 1515241 1535170 1631798 1995721 2164630 2331140 2814019 2851030 3030482 3070340 3263596 3991442 4012891 4079495 4329260 5628038 5702060 6060964 7576205 7982884 8025782 8158990 9978605 10606687 11256076 14070095 15152410 16051564 16317980 19698133 19957210 20064455 21213374 28090237 28140190 30304820 39396266 39914420 40128910 42426748 52167583 53033435 56180474 56280380 78792532 80257820 98490665 104335166 106066870 112360948 137886931 140451185 196631659 196981330 208670332 212133740 260837915 275773862 280902370 365173081 393263318 393962660 521675830 551547724 561804740 678178579 689434655 730346162 786526636 983158295 1043351660 1356357158 1378869310 1460692324 1825865405 1966316590 2556211567 2712714316 2757738620 3390892895 3651730810 3932633180 4747250053 5112423134 6781785790 7303461620 9494500106 10224846268 12781057835 13563571580 18989000212 23736250265 25562115670 33230750371 47472500530 51124231340 66461500742 94945001060 132923001484 166153751855 332307503710 664615007420
• Sum of all divisors σ(n): 1765456429968
• Sum of proper divisors (its aliquot sum) s(n): 1100841422548
• 664615007420 is an abundant number, because the sum of its proper divisors (1100841422548) is greater than itself. Its abundance is 436226415128

Bases of 664615007420

• Binary: 1001101010111110001001000011010010111100₂
• Hexadecimal: 0x9ABE2434BC
• Base-36: 8HBIM5RW

Squares and roots of 664615007420

• 664615007420 squared (664615007420²) is 441713108087886655056400
• 664615007420 cubed (664615007420³) is 293569160609342051262428266518488000
• The square root of 664615007420 is 815239.2332438375
• The cube root of 664615007420 is 8726.8339915045

Scales and comparisons

• 664,615,007,420 seconds is equal to 21,132 years, 36 weeks, 3 days, 7 hours, 50 minutes, 20 seconds.
• To count from 1 to 664,615,007,420 would take you about forty-two thousand, two hundred sixty-five 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 664615007420 cubic inches would be around 727.2 feet tall.

Recreational maths with 664615007420

• 664615007420 backwards is 024700516466
• The number of decimal digits it has is: 12
• The sum of 664615007420's digits is 41
• More coming soon!