668531288320

Names of 668531288320

• Cardinal: 668531288320 can be written as Six hundred sixty-eight billion, five hundred thirty-one million, two hundred eighty-eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 6.6853128832 × 10¹¹

Factors of 668531288320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1833

Divisors of 668531288320

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 28 32 35 38 40 49 56 64 70 76 80 95 98 112 128 133 140 152 160 190 196 224 245 256 266 280 304 320 380 392 401 448 490 532 560 608 640 665 760 784 802 896 931 980 1064 1120 1216 1280 1330 1399 1520 1568 1604 1792 1862 1960 2005 2128 2240 2432 2660 2798 2807 3040 3136 3208 3724 3920 4010 4256 4480 4655 4864 5320 5596 5614 6080 6272 6416 6995 7448 7619 7840 8020 8512 8960 9310 9793 10640 11192 11228 12160 12544 12832 13990 14035 14896 15238 15680 16040 17024 18620 19586 19649 21280 22384 22456 24320 25664 26581 27980 28070 29792 30476 31360 32080 34048 37240 38095 39172 39298 42560 44768 44912 48965 51328 53162 53333 55960 56140 59584 60952 62720 64160 68551 74480 76190 78344 78596 85120 89536 89824 97930 98245 102656 106324 106666 111920 112280 119168 121904 128320 132905 137102 148960 152380 156688 157192 170240 179072 179648 186067 195860 196490 212648 213332 223840 224560 238336 243808 256640 265810 266665 274204 297920 304760 313376 314384 342755 358144 359296 372134 373331 391720 392980 425296 426664 447680 449120 487616 513280 531620 533330 548408 560999 595840 609520 626752 628768 685510 718592 744268 746662 783440 785960 850592 853328 895360 898240 930335 975232 1063240 1066660 1096816 1121998 1191680 1219040 1253504 1257536 1302469 1371020 1488536 1493324 1566880 1571920 1701184 1706656 1790720 1796480 1860670 1866655 1950464 2126480 2133320 2193632 2243996 2438080 2507008 2515072 2604938 2742040 2804995 2977072 2986648 3133760 3143840 3402368 3413312 3592960 3721340 3733310 3926993 4252960 4266640 4387264 4487992 4876160 5030144 5209876 5484080 5609990 5954144 5973296 6267520 6287680 6512345 6804736 6826624 7442680 7466620 7853986 8505920 8533280 8774528 8975984 9752320 10419752 10658981 10968160 11219980 11908288 11946592 12535040 12575360 13024690 13653248 14885360 14933240 15707972 17011840 17066560 17549056 17951968 19634965 20839504 21317962 21936320 22439960 23816576 23893184 25150720 26049380 27488951 29770720 29866480 31415944 34023680 34133120 35903936 39269930 41679008 42635924 43872640 44879920 47633152 47786368 52098760 53294905 54977902 59541440 59732960 62831888 68266240 71807872 74612867 78539860 83358016 85271848 87745280 89759840 95572736 104197520 106589810 109955804 119082880 119465920 125663776 137444755 143615744 149225734 157079720 166716032 170543696 179519680 208395040 213179620 219911608 238165760 238931840 251327552 274889510 298451468 314159440 333432064 341087392 359039360 373064335 416790080 426359240 439823216 477863680 502655104 522290069 549779020 596902936 628318880 682174784 718078720 746128670 833580160 852718480 879646432 1005310208 1044580138 1099558040 1193805872 1256637760 1364349568 1492257340 1667160320 1705436960 1759292864 2089160276 2199116080 2387611744 2513275520 2611450345 2728699136 2984514680 3410873920 3518585728 4178320552 4398232160 4775223488 5026551040 5222900690 5969029360 6821747840 7037171456 8356641104 8796464320 9550446976 10445801380 11938058720 13643495680 16713282208 17592928640 19100893952 20891602760 23876117440 33426564416 35185857280 41783205520 47752234880 66853128832 83566411040 95504469760 133706257664 167132822080 334265644160 668531288320
• Sum of all divisors σ(n): 1967121072000
• Sum of proper divisors (its aliquot sum) s(n): 1298589783680
• 668531288320 is an abundant number, because the sum of its proper divisors (1298589783680) is greater than itself. Its abundance is 630058495360

Bases of 668531288320

• Binary: 1001101110100111100100011110100100000000₂
• Hexadecimal: 0x9BA791E900
• Base-36: 8J4A9NGG

Squares and roots of 668531288320

• 668531288320 squared (668531288320²) is 446934083462798968422400
• 668531288320 cubed (668531288320³) is 298789418611503401152594069946368000
• The square root of 668531288320 is 817637.6265314605
• The cube root of 668531288320 is 8743.9415512003

Scales and comparisons

• 668,531,288,320 seconds is equal to 21,257 years, 11 weeks, 5 days, 15 hours, 38 minutes, 40 seconds.
• To count from 1 to 668,531,288,320 would take you about forty-two thousand, five 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 668531288320 cubic inches would be around 728.7 feet tall.

Recreational maths with 668531288320

• 668531288320 backwards is 023882135866
• The number of decimal digits it has is: 12
• The sum of 668531288320's digits is 52
• More coming soon!