680399665920

Names of 680399665920

• Cardinal: 680399665920 can be written as Six hundred eighty billion, three hundred ninety-nine million, six hundred sixty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 6.8039966592 × 10¹¹

Factors of 680399665920

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 341

Divisors of 680399665920

• Number of divisors d(n): 1728
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 17 18 20 24 26 30 31 32 34 36 37 39 40 45 48 51 52 60 62 64 65 68 72 74 78 80 85 90 93 96 102 104 111 117 120 124 128 130 136 144 148 153 155 156 160 170 180 185 186 192 195 204 208 221 222 233 234 240 248 255 256 260 272 279 288 296 306 310 312 320 333 340 360 370 372 384 390 403 408 416 442 444 465 466 468 480 481 496 510 520 527 544 555 558 576 585 592 612 620 624 629 640 663 666 680 699 720 740 744 765 768 780 806 816 832 884 888 930 932 936 960 962 992 1020 1040 1054 1088 1105 1110 1116 1147 1152 1165 1170 1184 1209 1224 1240 1248 1258 1280 1326 1332 1360 1395 1398 1440 1443 1480 1488 1530 1560 1581 1612 1632 1664 1665 1768 1776 1860 1864 1872 1887 1920 1924 1984 1989 2015 2040 2080 2097 2108 2176 2210 2220 2232 2294 2304 2330 2340 2368 2405 2418 2448 2480 2496 2516 2635 2652 2664 2720 2790 2796 2880 2886 2960 2976 3029 3060 3120 3145 3162 3224 3264 3315 3328 3330 3441 3495 3536 3552 3627 3720 3728 3744 3774 3840 3848 3961 3968 3978 4030 4080 4160 4194 4216 4329 4352 4420 4440 4464 4588 4660 4680 4736 4743 4810 4836 4896 4960 4992 5032 5270 5304 5328 5440 5580 5592 5661 5735 5760 5772 5920 5952 6045 6058 6120 6240 6290 6324 6448 6528 6630 6660 6851 6882 6990 7072 7104 7215 7223 7254 7440 7456 7488 7548 7696 7905 7922 7936 7956 8060 8160 8177 8320 8388 8432 8621 8658 8840 8880 8928 9087 9176 9320 9360 9435 9472 9486 9620 9672 9792 9920 9945 9984 10064 10323 10485 10540 10608 10656 10880 11160 11184 11322 11470 11520 11544 11840 11883 11904 12090 12116 12240 12480 12580 12648 12896 13056 13260 13320 13702 13764 13980 14144 14208 14430 14446 14508 14880 14911 14912 14976 15096 15145 15392 15810 15844 15912 16120 16320 16354 16640 16776 16864 17205 17242 17316 17680 17760 17856 18135 18174 18352 18640 18720 18870 18972 19240 19344 19499 19584 19805 19840 19890 20128 20553 20646 20970 21080 21216 21312 21645 21669 21760 22320 22368 22644 22940 23088 23680 23715 23766 23808 24180 24232 24480 24531 24960 25160 25296 25792 25863 26520 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2743547040 2834998608 2907690880 2920170240 3064863360 3078731520 3271152240 3335292480 3489229056 3543748260 3658062720 3677836032 3779998144 4002350976 4252497912 4361536320 4389675264 4447056640 4597295040 4724997680 5002938720 5233843584 5315622390 5487094080 5669997216 5815381760 6129726720 6542304480 6670584960 7087496520 7316125440 7559996288 8004701952 8504995824 8723072640 9194590080 9449995360 10005877440 10467687168 10631244780 10974188160 11339994432 13084608960 13341169920 14174993040 15119992576 17009991648 17446145280 18389180160 18899990720 20011754880 21262489560 21948376320 22679988864 26169217920 28349986080 34019983296 37799981440 40023509760 42524979120 45359977728 52338435840 56699972160 68039966592 75599962880 85049958240 113399944320 136079933184 170099916480 226799888640 340199832960 680399665920
• Sum of all divisors σ(n): 2858021397504
• Sum of proper divisors (its aliquot sum) s(n): 2177621731584
• 680399665920 is an abundant number, because the sum of its proper divisors (2177621731584) is greater than itself. Its abundance is 1497222065664

Bases of 680399665920

• Binary: 1001111001101010111110101111101100000000₂
• Hexadecimal: 0x9E6AFAFB00
• Base-36: 8OKKE680

Squares and roots of 680399665920

• 680399665920 squared (680399665920²) is 462943705384047609446400
• 680399665920 cubed (680399665920³) is 314986742483072898764705196146688000
• The square root of 680399665920 is 824863.4225858243
• The cube root of 680399665920 is 8795.3818137427

Scales and comparisons

• 680,399,665,920 seconds is equal to 21,634 years, 31 weeks, 3 days, 3 hours, 12 minutes.
• To count from 1 to 680,399,665,920 would take you about forty-three thousand, two hundred sixty-nine 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 680399665920 cubic inches would be around 732.9 feet tall.

Recreational maths with 680399665920

• 680399665920 backwards is 029566993086
• The number of decimal digits it has is: 12
• The sum of 680399665920's digits is 63
• More coming soon!