668649359360

Names of 668649359360

• Cardinal: 668649359360 can be written as Six hundred sixty-eight billion, six hundred forty-nine million, three hundred fifty-nine thousand, three hundred sixty.

Scientific notation

• Scientific notation: 6.6864935936 × 10¹¹

Factors of 668649359360

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 6502

Divisors of 668649359360

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 41 64 80 82 128 160 164 205 256 257 320 328 410 512 514 640 656 820 1024 1028 1280 1285 1312 1640 2048 2056 2560 2570 2624 3280 4112 5120 5140 5248 6197 6560 8224 10240 10280 10496 10537 12394 13120 16448 20560 20992 21074 24788 26240 30985 32896 41120 41984 42148 49576 52480 52685 61970 65792 82240 83968 84296 99152 104960 105370 123940 131584 164480 168592 198304 209920 210740 247880 254077 263168 328960 337184 396608 419840 421480 495760 508154 526336 657920 674368 793216 842960 991520 1016308 1270385 1315840 1348736 1586432 1592629 1685920 1983040 2032616 2540770 2631680 2697472 3172864 3185258 3371840 3966080 4065232 5081540 5394944 6345728 6370516 6743680 7932160 7963145 8130464 10163080 10789888 12691456 12741032 13487360 15864320 15926290 16260928 20326160 21579776 25482064 26974720 31728640 31852580 32521856 40652320 50964128 53949440 63457280 63705160 65043712 65297789 81304640 101928256 107898880 127410320 130087424 130595578 162609280 203856512 254820640 260174848 261191156 325218560 326488945 407713024 509641280 520349696 522382312 650437120 652977890 815426048 1019282560 1044764624 1300874240 1305955780 1630852096 2038565120 2089529248 2601748480 2611911560 3261704192 4077130240 4179058496 5223823120 8154260480 8358116992 10447646240 16308520960 16716233984 20895292480 33432467968 41790584960 66864935936 83581169920 133729871872 167162339840 334324679680 668649359360
• Sum of all divisors σ(n): 1650158742960
• Sum of proper divisors (its aliquot sum) s(n): 981509383600
• 668649359360 is an abundant number, because the sum of its proper divisors (981509383600) is greater than itself. Its abundance is 312860024240

Bases of 668649359360

• Binary: 1001101110101110100110111000100000000000₂
• Hexadecimal: 0x9BAE9B8800
• Base-36: 8J68KBNK

Squares and roots of 668649359360

• 668649359360 squared (668649359360²) is 447091965772538419609600
• 668649359360 cubed (668649359360³) is 298947756488810861752945901305856000
• The square root of 668649359360 is 817709.8258918013
• The cube root of 668649359360 is 8744.4562842767

Scales and comparisons

• 668,649,359,360 seconds is equal to 21,260 years, 51 weeks, 5 hours, 9 minutes, 20 seconds.
• To count from 1 to 668,649,359,360 would take you about forty-two thousand, five hundred twenty-one 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 668649359360 cubic inches would be around 728.7 feet tall.

Recreational maths with 668649359360

• 668649359360 backwards is 063953946866
• The number of decimal digits it has is: 12
• The sum of 668649359360's digits is 65
• More coming soon!