399639328872

Names of 399639328872

• Cardinal: 399639328872 can be written as Three hundred ninety-nine billion, six hundred thirty-nine million, three hundred twenty-eight thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 3.99639328872 × 10¹¹

Factors of 399639328872

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 199

Divisors of 399639328872

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 17 19 21 24 28 34 38 42 51 56 57 68 76 84 102 114 119 133 136 151 152 168 204 228 238 266 289 302 323 357 361 399 408 453 456 476 532 578 604 646 714 722 798 867 906 952 969 1057 1064 1083 1156 1208 1292 1428 1444 1596 1734 1812 1938 2023 2114 2166 2261 2312 2527 2567 2584 2856 2869 2888 3171 3192 3468 3624 3876 4046 4228 4332 4522 5054 5134 5491 5738 6069 6137 6342 6783 6936 7581 7701 7752 8092 8456 8607 8664 9044 10108 10268 10982 11476 12138 12274 12684 13566 15162 15402 16184 16473 17214 17969 18088 18411 20083 20216 20536 21964 22801 22952 24276 24548 25368 27132 30324 30804 32946 34428 35938 36822 38437 40166 42959 43639 43928 45602 48552 48773 49096 53907 54264 54511 60249 60648 61608 65892 68403 68856 71876 73644 76874 80332 85918 87278 91204 97546 104329 107814 109022 115311 120498 128877 130917 131784 136806 143752 146319 147288 153748 159607 160664 163533 171836 174556 182408 195092 208658 215628 218044 230622 240996 257754 261834 273612 292638 305473 307496 312987 319214 327066 341411 343672 349112 381577 387617 390184 417316 431256 433219 436088 461244 478821 481992 515508 523668 547224 585276 610946 625974 638428 654132 682822 730303 763154 775234 829141 834632 866438 916419 922488 926687 957642 1024233 1031016 1047336 1144731 1162851 1170552 1221892 1251948 1276856 1299657 1308264 1365644 1460606 1526308 1550468 1658282 1732876 1832838 1853374 1915284 2048466 2190909 2289462 2325702 2443784 2487423 2503896 2599314 2713319 2731288 2780061 2921212 3032533 3052616 3100936 3316564 3465752 3665676 3706748 3830568 4096932 4381818 4578924 4651404 4974846 5198628 5426638 5560122 5803987 5842424 6065066 6486809 6589489 6633128 7331352 7364723 7413496 8139957 8193864 8231161 8763636 9097599 9157848 9302808 9949692 10397256 10853276 11120244 11607974 12130132 12973618 13178978 14729446 15753679 16279914 16462322 17411961 17527272 18195198 19460427 19768467 19899384 21706552 22094169 22240488 23215948 24260264 24693483 25947236 26357956 29458892 31507358 32559828 32924644 34823922 36390396 38920854 39536934 44188338 46126423 46431896 47261037 49386966 51553061 51894472 52715912 57618127 58917784 63014716 65119656 65849288 69647844 72780792 77841708 79073868 88376676 92252846 94522074 98773932 103106122 110275753 115236254 125200291 126029432 138379269 139295688 139929737 154659183 155683416 158147736 172854381 176753352 184505692 189044148 197547864 206212244 220551506 230472508 250400582 276758538 279859474 309318366 330827259 345708762 369011384 375600873 378088296 412424488 419789211 441103012 460945016 500801164 553517076 559718948 618636732 661654518 691417524 751201746 839578422 876402037 882206024 979508159 1001602328 1107034152 1119437896 1237273464 1323309036 1382835048 1502403492 1679156844 1752804074 1959016318 2378805529 2629206111 2646618072 2938524477 3004806984 3358313688 3505608148 3918032636 4757611058 5258412222 5877048954 7011216296 7136416587 7836065272 9515222116 10516824444 11754097908 14272833174 16651638703 19030444232 21033648888 23508195816 28545666348 33303277406 49954916109 57091332696 66606554812 99909832218 133213109624 199819664436 399639328872
• Sum of all divisors σ(n): 1288676904480
• Sum of proper divisors (its aliquot sum) s(n): 889037575608
• 399639328872 is an abundant number, because the sum of its proper divisors (889037575608) is greater than itself. Its abundance is 489398246736

Bases of 399639328872

• Binary: 101110100001100010111000011100001101000₂
• Hexadecimal: 0x5D0C5C3868
• Base-36: 53LAXROO

Squares and roots of 399639328872

• 399639328872 squared (399639328872²) is 159711593181262572792384
• 399639328872 cubed (399639328872³) is 63827033912037666036360388752910848
• The square root of 399639328872 is 632170.3321668931
• The cube root of 399639328872 is 7365.8477916863

Scales and comparisons

• 399,639,328,872 seconds is equal to 12,707 years, 15 weeks, 2 days, 4 hours, 41 minutes, 12 seconds.
• To count from 1 to 399,639,328,872 would take you about twenty-five thousand, four hundred fourteen 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 399639328872 cubic inches would be around 613.8 feet tall.

Recreational maths with 399639328872

• 399639328872 backwards is 278823936993
• The number of decimal digits it has is: 12
• The sum of 399639328872's digits is 69
• More coming soon!