66990725464

Names of 66990725464

• Cardinal: 66990725464 can be written as Sixty-six billion, nine hundred ninety million, seven hundred twenty-five thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 6.6990725464 × 10¹⁰

Factors of 66990725464

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1014

Divisors of 66990725464

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 8 13 19 26 29 31 38 43 52 58 62 76 86 104 116 124 152 172 232 247 248 344 377 403 494 551 559 589 754 806 817 877 899 988 1102 1118 1178 1247 1333 1508 1612 1634 1754 1798 1976 2204 2236 2356 2494 2666 3016 3224 3268 3508 3596 4408 4472 4712 4988 5332 6536 7016 7163 7192 7657 9976 10621 10664 11401 11687 14326 15314 16211 16663 17081 17329 21242 22802 23374 23693 25327 25433 27187 28652 30628 32422 33326 34162 34658 37711 38657 42484 45604 46748 47386 50654 50866 54374 57304 61256 64844 66652 68324 69316 75422 77314 84968 91208 93496 94772 101308 101732 108748 129688 133304 136648 138632 150844 154628 189544 202616 203464 216619 217496 222053 301688 308009 309256 329251 330629 353431 433238 444106 483227 490243 502541 516553 616018 658502 661258 706862 716509 734483 788423 866476 888212 966454 980486 1005082 1033106 1093619 1169041 1232036 1317004 1322516 1413724 1433018 1468966 1576846 1732952 1776424 1932908 1960972 2010164 2066212 2187238 2338082 2464072 2634008 2645032 2827448 2866036 2937932 3153692 3865816 3921944 4020328 4132424 4374476 4676164 5732072 5875864 6281951 6307384 6715189 8748952 9314617 9352328 9548279 10249499 12563902 13430378 14217047 14980037 15197533 18629234 19096558 20498998 20778761 22211779 25127804 26860756 28434094 29960074 30395066 33902189 37258468 38193116 40997996 41557522 44423558 50255608 53721512 56868188 59920148 60790132 67804378 74516936 76386232 81995992 83115044 88847116 113736376 119840296 121580264 135608756 166230088 177694232 194740481 270123893 271217512 288753127 389480962 440728457 540247786 577506254 644141591 778961924 881456914 1080495572 1155012508 1288283182 1557923848 1762913828 2160991144 2310025016 2576566364 3525827656 5153132728 8373840683 16747681366 33495362732 66990725464
• Sum of all divisors σ(n): 155764224000
• Sum of proper divisors (its aliquot sum) s(n): 88773498536
• 66990725464 is an abundant number, because the sum of its proper divisors (88773498536) is greater than itself. Its abundance is 21782773072

Bases of 66990725464

• Binary: 111110011000111101010101100101011000₂
• Hexadecimal: 0xF98F55958
• Base-36: URWJQL4

Squares and roots of 66990725464

• 66990725464 squared (66990725464²) is 4487757298193018015296
• 66990725464 cubed (66990725464³) is 300638117112310853144300488697344
• The square root of 66990725464 is 258825.6661616077
• The cube root of 66990725464 is 4061.3606839665

Scales and comparisons

• 66,990,725,464 seconds is equal to 2,130 years, 5 weeks, 14 hours, 51 minutes, 4 seconds.
• To count from 1 to 66,990,725,464 would take you about four thousand, two hundred sixty 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 66990725464 cubic inches would be around 338.4 feet tall.

Recreational maths with 66990725464

• 66990725464 backwards is 46452709966
• 66990725464 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 66990725464's digits is 58
• More coming soon!