399909591891968

Names of 399909591891968

• Cardinal: 399909591891968 can be written as Three hundred ninety-nine trillion, nine hundred nine billion, five hundred ninety-one million, eight hundred ninety-one thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 3.99909591891968 × 10¹⁴

Factors of 399909591891968

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 8731

Divisors of 399909591891968

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 8 16 17 19 32 34 38 64 68 76 128 136 152 256 272 304 323 512 544 608 646 1024 1088 1216 1292 2048 2176 2432 2584 4096 4352 4864 5168 8192 8693 8704 9728 10336 16384 17386 17408 19456 20672 34772 34816 38912 41344 69544 69632 77824 82688 139088 139264 147781 155648 165167 165376 278176 278528 295562 311296 330334 330752 556352 591124 660668 661504 1112704 1182248 1321336 1323008 2225408 2364496 2642672 2646016 2807839 4450816 4728992 5285344 5292032 5615678 8901632 9457984 10570688 11231356 17803264 18915968 21141376 22462712 35606528 37831936 42282752 44925424 71213056 75568249 75663872 84565504 89850848 142426112 151136498 151327744 169131008 179701696 302272996 302655488 338262016 359403392 604545992 605310976 676524032 718806784 1209091984 1210621952 1284660233 1353048064 1435796731 1437613568 2418183968 2421243904 2569320466 2706096128 2871593462 2875227136 4836367936 5138640932 5743186924 5750454272 9672735872 10277281864 11486373848 11500908544 19345471744 20554563728 22972747696 23001817088 24408544427 38690943488 41109127456 45945495392 46003634176 48817088854 77381886976 82218254912 91890990784 97634177708 154763773952 164436509824 183781981568 195268355416 309527547904 328873019648 367563963136 390536710832 619055095808 657746039296 735127926272 781073421664 1238110191616 1315492078592 1470255852544 1562146843328 2630984157184 2940511705088 3124293686656 5261968314368 5881023410176 6248587373312 10523936628736 11762046820352 12497174746624 21047873257472 23524093640704 24994349493248 49988698986496 99977397972992 199954795945984 399909591891968
• Sum of all divisors σ(n): 891514688861160
• Sum of proper divisors (its aliquot sum) s(n): 491605096969192
• 399909591891968 is an abundant number, because the sum of its proper divisors (491605096969192) is greater than itself. Its abundance is 91695505077224

Bases of 399909591891968

• Binary: 1011010111011011100110101001010101100000000000000₂
• Hexadecimal: 0x16BB7352AC000
• Base-36: 3XR7XHNI0W

Squares and roots of 399909591891968

• 399909591891968 squared (399909591891968²) is 159927681687200397925782913024
• 399909591891968 cubed (399909591891968³) is 63956613915756875448705857639281146548191232
• The square root of 399909591891968 is 19997739.6695718589
• The cube root of 399909591891968 is 73675.0784492391

Scales and comparisons

• 399,909,591,891,968 seconds is equal to 12,715,888 years, 1 week, 11 hours, 46 minutes, 8 seconds.
• To count from 1 to 399,909,591,891,968 would take you about thirty-one million, seven hundred eighty-nine thousand, seven hundred twenty 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 399909591891968 cubic inches would be around 6139.6 feet tall.

Recreational maths with 399909591891968

• 399909591891968 backwards is 869198195909993
• The number of decimal digits it has is: 15
• The sum of 399909591891968's digits is 95
• More coming soon!