399099728664

Names of 399099728664

• Cardinal: 399099728664 can be written as Three hundred ninety-nine billion, ninety-nine million, seven hundred twenty-eight thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 3.99099728664 × 10¹¹

Factors of 399099728664

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 520646

Divisors of 399099728664

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 27 28 36 39 42 52 54 56 63 72 78 81 84 91 104 108 117 126 156 162 168 169 182 189 216 234 252 273 312 324 338 351 364 378 468 504 507 546 567 648 676 702 728 756 819 936 1014 1053 1092 1134 1183 1352 1404 1512 1521 1638 2028 2106 2184 2268 2366 2457 2808 3042 3276 3549 4056 4212 4536 4563 4732 4914 6084 6552 7098 7371 8424 9126 9464 9828 10647 12168 13689 14196 14742 18252 19656 21294 27378 28392 29484 31941 36504 42588 54756 58968 63882 85176 95823 109512 127764 191646 255528 383292 520621 766584 1041242 1561863 2082484 3123726 3644347 4164968 4685589 6247452 6768073 7288694 9371178 10933041 12494904 13536146 14056767 14577388 18742356 20304219 21866082 27072292 28113534 29154776 32799123 37484712 40608438 42170301 43732164 47376511 54144584 56227068 60912657 65598246 81216876 84340602 87464328 87984949 94753022 98397369 112454136 121825314 131196492 142129533 162433752 168681204 175969898 182737971 189506044 196794738 243650628 262392984 263954847 284259066 295192107 337362408 351939796 365475942 379012088 393589476 426388599 487301256 527909694 548213913 568518132 590384214 615894643 703879592 730951884 787178952 791864541 852777198 1055819388 1096427826 1137036264 1180768428 1231789286 1279165797 1461903768 1583729082 1705554396 1847683929 2111638776 2192855652 2361536856 2375593623 2463578572 2558331594 3167458164 3411108792 3695367858 3837497391 4385711304 4751187246 4927157144 5116663188 5543051787 6334916328 7126780869 7390735716 7674994782 9502374492 10233326376 11086103574 14253561738 14781471432 15349989564 16629155361 19004748984 22172207148 28507123476 30699979128 33258310722 44344414296 49887466083 57014246952 66516621444 99774932166 133033242888 199549864332 399099728664
• Sum of all divisors σ(n): 1383375953520
• Sum of proper divisors (its aliquot sum) s(n): 984276224856
• 399099728664 is an abundant number, because the sum of its proper divisors (984276224856) is greater than itself. Its abundance is 585176496192

Bases of 399099728664

• Binary: 101110011101100001100101001001100011000₂
• Hexadecimal: 0x5CEC329318
• Base-36: 53CDO9I0

Squares and roots of 399099728664

• 399099728664 squared (399099728664²) is 159280593419678423224896
• 399099728664 cubed (399099728664³) is 63568841615234562587191349449618944
• The square root of 399099728664 is 631743.4041317725
• The cube root of 399099728664 is 7362.5311317877

Scales and comparisons

• 399,099,728,664 seconds is equal to 12,690 years, 7 weeks, 19 hours, 44 minutes, 24 seconds.
• To count from 1 to 399,099,728,664 would take you about twenty-five thousand, three hundred eighty 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 399099728664 cubic inches would be around 613.5 feet tall.

Recreational maths with 399099728664

• 399099728664 backwards is 466827990993
• 399099728664 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 399099728664's digits is 72
• More coming soon!