668187150720

Names of 668187150720

• Cardinal: 668187150720 can be written as Six hundred sixty-eight billion, one hundred eighty-seven million, one hundred fifty thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 6.6818715072 × 10¹¹

Factors of 668187150720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 6365

Divisors of 668187150720

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 73 80 96 120 128 146 160 192 219 240 292 320 365 384 438 480 584 640 730 876 883 960 1095 1168 1460 1752 1766 1920 2190 2336 2649 2920 3504 3532 4380 4415 4672 5298 5399 5840 7008 7064 8760 8830 9344 10596 10798 11680 13245 14016 14128 16197 17520 17660 21192 21596 23360 26490 26995 28032 28256 32394 35040 35320 42384 43192 46720 52980 53990 56512 64459 64788 70080 70640 80985 84768 86384 105960 107980 113024 128918 129576 140160 141280 161970 169536 172768 193377 211920 215960 257836 259152 282560 322295 323940 339072 345536 386754 394127 423840 431920 515672 518304 565120 644590 647880 691072 773508 788254 847680 863840 966885 1031344 1036608 1182381 1289180 1295760 1547016 1576508 1695360 1727680 1933770 1970635 2062688 2073216 2364762 2578360 2591520 3094032 3153016 3455360 3867540 3941270 4125376 4729524 4767317 5156720 5183040 5911905 6188064 6306032 7735080 7882540 8250752 9459048 9534634 10313440 10366080 11823810 12376128 12612064 14301951 15470160 15765080 18918096 19069268 20626880 23647620 23836585 24752256 25224128 28603902 30940320 31530160 37836192 38138536 41253760 47295240 47673170 50448256 57207804 61880640 63060320 71509755 75672384 76277072 94590480 95346340 114415608 123761280 126120640 143019510 151344768 152554144 189180960 190692680 228831216 252241280 286039020 305108288 348014141 378361920 381385360 457662432 572078040 610216576 696028282 756723840 762770720 915324864 1044042423 1144156080 1392056564 1525541440 1740070705 1830649728 2088084846 2288312160 2784113128 3051082880 3480141410 4176169692 4576624320 5220212115 5568226256 6960282820 8352339384 9153248640 10440424230 11136452512 13920565640 16704678768 20880848460 22272905024 27841131280 33409357536 41761696920 44545810048 55682262560 66818715072 83523393840 111364525120 133637430144 167046787680 222729050240 334093575360 668187150720
• Sum of all divisors σ(n): 2161867968000
• Sum of proper divisors (its aliquot sum) s(n): 1493680817280
• 668187150720 is an abundant number, because the sum of its proper divisors (1493680817280) is greater than itself. Its abundance is 825493666560

Bases of 668187150720

• Binary: 1001101110010011000011101100100110000000₂
• Hexadecimal: 0x9B930EC980
• Base-36: 8IYLDL6O

Squares and roots of 668187150720

• 668187150720 squared (668187150720²) is 446474068387311996518400
• 668187150720 cubed (668187150720³) is 298328235626084428353304256053248000
• The square root of 668187150720 is 817427.1531580047
• The cube root of 668187150720 is 8742.4409305655

Scales and comparisons

• 668,187,150,720 seconds is equal to 21,246 years, 14 weeks, 5 days, 13 hours, 52 minutes.
• To count from 1 to 668,187,150,720 would take you about forty-two thousand, four hundred ninety-two 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 668187150720 cubic inches would be around 728.5 feet tall.

Recreational maths with 668187150720

• 668187150720 backwards is 027051781866
• The number of decimal digits it has is: 12
• The sum of 668187150720's digits is 51
• More coming soon!