64642851712431916

Names of 64642851712431916

• Cardinal: 64642851712431916 can be written as Sixty-four quadrillion, six hundred forty-two trillion, eight hundred fifty-one billion, seven hundred twelve million, four hundred thirty-one thousand, nine hundred sixteen.

Scientific notation

• Scientific notation: 6.4642851712431916 × 10¹⁶

Factors of 64642851712431916

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 591

Divisors of 64642851712431916

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 4 7 11 14 22 28 44 49 77 98 121 154 196 242 308 484 539 571 847 1078 1142 1331 1694 2156 2284 2662 3388 3997 5324 5929 6281 7994 9317 11858 12562 14641 15988 18634 23716 25124 27979 29282 37268 43967 55958 58564 65219 69091 87934 102487 111916 130438 138182 161051 175868 204974 260876 276364 307769 322102 326041 409948 483637 615538 644204 652082 717409 760001 967274 1127357 1231076 1304164 1434818 1520002 1771561 1934548 2254714 2282287 2869636 3040004 3385459 3543122 3586451 4509428 4564574 5320007 6770918 7086244 7172902 7891499 8360011 9129148 10640014 12400927 13541836 14345804 15782998 15976009 16720022 21280028 24801854 25105157 31565996 31952018 33440044 37240049 39450961 49603708 50210314 58520077 63904036 74480098 78901922 86806489 91960121 100420628 117040154 148960196 157803844 173612978 175736099 183920242 186169411 234080308 276156727 347225956 351472198 367840484 372338822 409640539 433960571 552313454 643720847 702944396 744677644 819281078 867921142 1011561331 1104626908 1287441694 1303185877 1638562156 1735842284 1933097089 2023122662 2047863521 2574883388 2606371754 3037723997 3866194178 4046245324 4095727042 4506045929 4773566281 5212743508 6075447994 7080929317 7732388356 8191454084 9012091858 9122301139 9547132562 12150895988 14161858634 14335044647 18024183716 18244602278 19094265124 21264067979 22526498731 28323717268 28670089294 33414963967 36489204556 42528135958 45052997462 49566505219 52509229091 57340178588 66829927934 85056271916 90105994924 99133010438 100345312529 105018458182 133659855868 157685491117 198266020876 200690625058 210036916364 233904747769 247791486041 315370982234 367564603637 401381250116 467809495538 495582972082 577601520001 630741964468 735129207274 935618991076 991165944164 1103798437819 1155203040002 1470258414548 1734540402287 2207596875638 2310406080004 2572952225459 2725706346451 3469080804574 4043210640007 4415193751276 5145904450918 5451412692902 6938161609148 8086421280014 10291808901836 10902825385804 12141782816009 16172842560028 19079944425157 24283565632018 28302474480049 29982769810961 38159888850314 48567131264036 56604948960098 59965539621922 76319777700628 113209897920196 119931079243844 133559610976099 209879388676727 267119221952198 329810467920571 419758777353454 534238443904396 659620935841142 839517554706908 1319241871682284 1469155720737089 2308673275443997 2938311441474178 4617346550887994 5876622882948356 9234693101775988 16160712928107979 32321425856215958 64642851712431916
• Sum of all divisors σ(n): 145007760988081992
• Sum of proper divisors (its aliquot sum) s(n): 80364909275650076
• 64642851712431916 is an abundant number, because the sum of its proper divisors (80364909275650076) is greater than itself. Its abundance is 15722057563218160

Bases of 64642851712431916

• Binary: 11100101101010000101010011000101100101100111011100101100₂
• Hexadecimal: 0xE5A854C596772C
• Base-36: HOHZ840LZJG

Squares and roots of 64642851712431916

• 64642851712431916 squared (64642851712431916²) is 4178698277515461894824266935431056
• 64642851712431916 cubed (64642851712431916³) is 270122973104426673699542996045939349885251511983296
• The square root of 64642851712431916 is 254249585.4715045863
• The cube root of 64642851712431916 is 401334.8151176499

Scales and comparisons

• 64,642,851,712,431,916 seconds is equal to 2,055,442,730 years, 51 weeks, 2 days, 1 hour, 45 minutes, 16 seconds.
• To count from 1 to 64,642,851,712,431,916 would take you about six billion, one hundred sixty-six million, three hundred twenty-eight thousand, one hundred ninety-two 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 64642851712431916 cubic inches would be around 33444.6 feet tall.

Recreational maths with 64642851712431916

• 64642851712431916 backwards is 61913421715824646
• The number of decimal digits it has is: 17
• The sum of 64642851712431916's digits is 70
• More coming soon!