668612509344

Names of 668612509344

• Cardinal: 668612509344 can be written as Six hundred sixty-eight billion, six hundred twelve million, five hundred nine thousand, three hundred forty-four.

Scientific notation

• Scientific notation: 6.68612509344 × 10¹¹

Factors of 668612509344

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1448

Divisors of 668612509344

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 72 78 81 96 104 108 117 144 156 162 199 208 216 234 243 288 312 324 351 398 416 432 468 486 597 624 648 702 729 796 864 936 972 1053 1194 1231 1248 1296 1404 1458 1592 1791 1872 1944 2106 2187 2388 2462 2587 2592 2808 2916 3159 3184 3582 3693 3744 3888 4212 4374 4776 4924 5174 5373 5616 5832 6318 6368 6561 7164 7386 7761 7776 8424 8748 9477 9552 9848 10348 10746 11079 11232 11664 12636 13122 14328 14772 15522 16003 16119 16848 17496 18954 19104 19696 20696 21492 22158 23283 23328 25272 26244 28431 28656 29544 31044 32006 32238 33237 33696 34992 37908 39392 41392 42984 44316 46566 48009 48357 50544 52488 56862 57312 59088 62088 64012 64476 66474 69849 69984 75816 82784 85293 85968 88632 93132 96018 96714 99711 101088 104976 113724 118176 124176 128024 128952 132948 139698 144027 145071 151632 170586 171936 177264 186264 192036 193428 199422 209547 209952 227448 244969 248352 256048 257904 265896 279396 288054 290142 299133 303264 341172 354528 372528 384072 386856 398844 419094 432081 435213 454896 489938 512096 515808 531792 558792 576108 580284 598266 628641 682344 734907 745056 768144 773712 797688 838188 864162 870426 897399 909792 979876 1063584 1117584 1152216 1160568 1196532 1257282 1296243 1305639 1364688 1469814 1536288 1547424 1595376 1676376 1728324 1740852 1794798 1885923 1959752 2204721 2235168 2304432 2321136 2393064 2514564 2592486 2611278 2692197 2729376 2939628 3184597 3190752 3352752 3456648 3481704 3589596 3771846 3888729 3919504 4409442 4608864 4642272 4786128 5029128 5184972 5222556 5384394 5657769 5879256 6369194 6614163 6705504 6913296 6963408 7179192 7543692 7777458 7839008 8076591 8818884 9553791 9572256 10058256 10369944 10445112 10768788 11315538 11666187 11758512 12738388 13228326 13826592 13926816 14358384 15087384 15554916 16153182 16973307 17637768 19107582 19842489 20116512 20739888 20890224 21537576 22631076 23332374 23517024 25476776 26456652 28661373 28716768 30174768 31109832 32306364 33946614 34998561 35275536 38215164 39684978 41479776 41780448 43075152 45262152 46664748 50953552 52913304 57322746 59527467 60349536 62219664 64612728 67893228 69997122 70551072 76430328 79369956 85984119 86150304 90524304 93329496 101907104 104995683 105826608 114645492 119054934 124439328 129225456 135786456 139994244 152860656 158739912 171968238 178582401 181048608 186658992 209991366 211653216 229290984 238109868 257952357 258450912 271572912 279988488 305721312 317479824 343936476 357164802 373317984 419982732 458581968 476219736 515904714 535747203 543145824 559976976 634959648 687872952 714329604 773857071 839965464 917163936 952439472 1031809428 1071494406 1119953952 1375745904 1428659208 1547714142 1607241609 1679930928 1904878944 2063618856 2142988812 2321571213 2751491808 2857318416 3095428284 3214483218 3359861856 4127237712 4285977624 4643142426 5714636832 6190856568 6428966436 6964713639 8254475424 8571955248 9286284852 12381713136 12857932872 13929427278 17143910496 18572569704 20894140917 24763426272 25715865744 27858854556 37145139408 41788281834 51431731488 55717709112 74290278816 83576563668 111435418224 167153127336 222870836448 334306254672 668612509344
• Sum of all divisors σ(n): 2138693356800
• Sum of proper divisors (its aliquot sum) s(n): 1470080847456
• 668612509344 is an abundant number, because the sum of its proper divisors (1470080847456) is greater than itself. Its abundance is 801468338112

Bases of 668612509344

• Binary: 1001101110101100011010010011111010100000₂
• Hexadecimal: 0x9BAC693EA0
• Base-36: 8J5MMI00

Squares and roots of 668612509344

• 668612509344 squared (668612509344²) is 447042687651280487310336
• 668612509344 cubed (668612509344³) is 298898333174408648235346902227779584
• The square root of 668612509344 is 817687.2931286141
• The cube root of 668612509344 is 8744.2956423951

Scales and comparisons

• 668,612,509,344 seconds is equal to 21,259 years, 42 weeks, 17 hours, 2 minutes, 24 seconds.
• To count from 1 to 668,612,509,344 would take you about forty-two thousand, five hundred nineteen 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 668612509344 cubic inches would be around 728.7 feet tall.

Recreational maths with 668612509344

• 668612509344 backwards is 443905216866
• 668612509344 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 668612509344's digits is 54
• More coming soon!