397894867981620

Names of 397894867981620

• Cardinal: 397894867981620 can be written as Three hundred ninety-seven trillion, eight hundred ninety-four billion, eight hundred sixty-seven million, nine hundred eighty-one thousand, six hundred twenty.

Scientific notation

• Scientific notation: 3.9789486798162 × 10¹⁴

Factors of 397894867981620

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1871

Divisors of 397894867981620

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 60 67 134 197 201 268 335 394 402 591 670 788 804 985 1005 1182 1340 1597 1970 2010 2364 2955 3194 3940 4020 4791 5910 6388 7985 9582 11820 13199 15970 19164 23955 26398 31940 38809 39597 47910 52796 65995 77618 79194 95820 106999 116427 131990 155236 158388 194045 197985 213998 232854 263980 314609 320997 388090 395970 427996 465708 534995 582135 629218 641994 776180 791940 943827 1069990 1164270 1258436 1283988 1573045 1604985 1887654 2139980 2328540 2550409 2600203 3146090 3209970 3775308 4719135 5100818 5200406 6292180 6419940 7651227 7800609 9438270 10201636 10400812 12752045 13001015 15302454 15601218 18876540 21078803 25504090 26002030 30604908 31202436 38256135 39003045 42157606 51008180 52004060 61977973 63236409 76512270 78006090 84315212 105394015 123955946 126472818 153024540 156012180 170877403 185933919 210788030 247911892 252945636 309889865 316182045 341754806 371867838 421576060 502430573 512632209 619779730 632364090 683509612 743735676 854387015 929669595 1004861146 1025264418 1239559460 1264728180 1507291719 1708774030 1859339190 2009722292 2050528836 2512152865 2563161045 3014583438 3417548060 3718678380 4152524191 5024305730 5126322090 6029166876 7536458595 8305048382 10048611460 10252644180 12457572573 15072917190 16610096764 20762620955 24915145146 30145834380 33662848391 41525241910 49830290292 62287862865 67325696782 83050483820 98978822881 100988545173 124575725730 134651393564 168314241955 197957645762 201977090346 249151451460 296936468643 336628483910 395915291524 403954180692 494894114405 504942725865 593872937286 673256967820 989788228810 1009885451730 1187745874572 1484682343215 1979576457620 2019770903460 2969364686430 5938729372860 6631581133027 13263162266054 19894743399081 26526324532108 33157905665135 39789486798162 66315811330270 79578973596324 99473716995405 132631622660540 198947433990810 397894867981620
• Sum of all divisors σ(n): 1137215069647776
• Sum of proper divisors (its aliquot sum) s(n): 739320201666156
• 397894867981620 is an abundant number, because the sum of its proper divisors (739320201666156) is greater than itself. Its abundance is 341425333684536

Bases of 397894867981620

• Binary: 1011010011110001000011110010000111001010100110100₂
• Hexadecimal: 0x169E21E439534
• Base-36: 3X1IDN1ZJO

Squares and roots of 397894867981620

• 397894867981620 squared (397894867981620²) is 158320325966110808652657824400
• 397894867981620 cubed (397894867981620³) is 62994845199092705090965426225769328387528000
• The square root of 397894867981620 is 19947302.2732804649
• The cube root of 397894867981620 is 73551.1463452667

Scales and comparisons

• 397,894,867,981,620 seconds is equal to 12,651,826 years, 1 week, 4 days, 17 hours, 7 minutes.
• To count from 1 to 397,894,867,981,620 would take you about thirty-one million, six hundred twenty-nine thousand, five 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 397894867981620 cubic inches would be around 6129.3 feet tall.

Recreational maths with 397894867981620

• 397894867981620 backwards is 026189768498793
• The number of decimal digits it has is: 15
• The sum of 397894867981620's digits is 87
• More coming soon!