399842720680

Names of 399842720680

• Cardinal: 399842720680 can be written as Three hundred ninety-nine billion, eight hundred forty-two million, seven hundred twenty thousand, six hundred eighty.

Scientific notation

• Scientific notation: 3.9984272068 × 10¹¹

Factors of 399842720680

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2001

Divisors of 399842720680

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 5 8 10 13 17 19 20 26 31 34 38 40 41 52 62 65 68 76 82 85 95 104 124 130 136 152 155 164 170 190 205 221 247 248 260 310 323 328 340 380 403 410 442 494 520 527 533 589 620 646 680 697 760 779 806 820 884 988 1054 1066 1105 1178 1235 1240 1271 1292 1394 1558 1612 1615 1640 1768 1873 1976 2015 2108 2132 2210 2356 2470 2542 2584 2635 2665 2788 2945 3116 3224 3230 3485 3746 3895 4030 4199 4216 4264 4420 4712 4940 5084 5270 5330 5576 5890 6232 6355 6460 6851 6970 7492 7657 7790 8060 8398 8840 9061 9365 9880 10013 10127 10168 10540 10660 11780 12710 12920 13243 13702 13940 14984 15314 15580 16120 16523 16796 18122 18730 20026 20254 20995 21080 21320 21607 23560 24149 24349 25420 26486 27404 27880 30628 31160 31841 33046 33592 34255 35587 36244 37460 38285 40052 40508 41990 43214 45305 48298 48698 50065 50635 50840 52972 54808 58063 61256 63682 66092 66215 68510 71174 72488 74920 76570 76793 80104 81016 82615 83980 86428 90610 96596 97396 100130 101270 105944 108035 116126 120745 121745 127364 130169 132184 132430 137020 142348 153140 153586 159205 165230 167960 172159 172856 177935 181220 193192 194792 200260 202540 216070 232252 241490 243490 254728 260338 264860 274040 280891 284696 290315 306280 307172 313937 318410 330460 344318 355870 362440 383965 400520 405080 410533 413933 432140 462631 464504 482980 486980 520676 529720 561782 580630 604979 614344 627874 636820 650845 660920 688636 711740 754819 767930 821066 827866 860795 864280 925262 965960 973960 987071 998309 1041352 1103197 1123564 1161260 1209958 1255748 1273640 1301690 1305481 1377272 1404455 1423480 1459067 1509638 1535860 1569685 1642132 1655732 1721590 1850524 1974142 1996618 2052665 2069665 2206394 2247128 2313155 2322520 2380583 2419916 2511496 2603380 2610962 2808910 2918134 3019276 3024895 3071720 3139370 3284264 3311464 3443180 3701048 3774095 3948284 3993236 4105330 4139330 4412788 4626310 4761166 4839832 4935355 4991545 5206760 5221924 5336929 5515985 5617820 5836268 6038552 6049790 6278740 6527405 6886360 7295335 7548190 7864727 7896568 7986472 8210660 8278660 8825576 9252620 9522332 9870710 9983090 10443848 10673858 11031970 11235640 11672536 11902915 12099580 12557480 12831923 13054810 14341561 14590670 15096380 15729454 16421320 16557320 16971253 18505240 18754349 18967871 19044664 19741420 19966180 21347716 22063940 23805830 24199160 24804139 25663846 26109620 26684645 28683122 29181340 30192760 30947579 31458908 33942506 37508698 37935742 39323635 39482840 39932360 40469911 42695432 44127880 45231077 47611660 49608278 51327692 52219240 53369290 57366244 58362680 61895158 62917816 64159615 67885012 71707805 75017396 75871484 78647270 80939822 84856265 90462154 93771745 94839355 95223320 99216556 102655384 106738580 114732488 123790316 124020695 128319230 135770024 143415610 150034792 151742968 154737895 157294540 161879644 169712530 180924308 187543490 189678710 198433112 202349555 213477160 226155385 243806537 247580632 248041390 256638460 286831220 309475790 314589080 322453807 323759288 339425060 361848616 375086980 379357420 404699110 452310770 487613074 496082780 513276920 526108843 573662440 588004001 618951580 644907614 678850120 750173960 758714840 768928309 809398220 904621540 975226148 992165560 1052217686 1176008002 1219032685 1237903160 1289815228 1537856618 1612269035 1618796440 1809243080 1950452296 2104435372 2352016004 2438065370 2579630456 2630544215 2940020005 3075713236 3224538070 3844641545 4208870744 4704032008 4876130740 5261088430 5880040010 6151426472 6449076140 7689283090 9752261480 9996068017 10522176860 11760080020 12898152280 15378566180 19992136034 21044353720 23520160040 30757132360 39984272068 49980340085 79968544136 99960680170 199921360340 399842720680
• Sum of all divisors σ(n): 1142462361600
• Sum of proper divisors (its aliquot sum) s(n): 742619640920
• 399842720680 is an abundant number, because the sum of its proper divisors (742619640920) is greater than itself. Its abundance is 342776920240

Bases of 399842720680

• Binary: 101110100011000011110111011101110101000₂
• Hexadecimal: 0x5D187BBBA8
• Base-36: 53OO15T4

Squares and roots of 399842720680

• 399842720680 squared (399842720680²) is 159874201280784499662400
• 399842720680 cubed (399842720680³) is 63924535606650814949786557498432000
• The square root of 399842720680 is 632331.1795886709
• The cube root of 399842720680 is 7367.0971674005

Scales and comparisons

• 399,842,720,680 seconds is equal to 12,713 years, 39 weeks, 4 days, 6 hours, 24 minutes, 40 seconds.
• To count from 1 to 399,842,720,680 would take you about twenty-five thousand, four hundred twenty-seven 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 399842720680 cubic inches would be around 613.9 feet tall.

Recreational maths with 399842720680

• 399842720680 backwards is 086027248993
• The number of decimal digits it has is: 12
• The sum of 399842720680's digits is 58
• More coming soon!