668690727264

Names of 668690727264

• Cardinal: 668690727264 can be written as Six hundred sixty-eight billion, six hundred ninety million, seven hundred twenty-seven thousand, two hundred sixty-four.

Scientific notation

• Scientific notation: 6.68690727264 × 10¹¹

Factors of 668690727264

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 4620

Divisors of 668690727264

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 72 84 96 98 108 112 126 144 147 168 189 196 216 224 252 288 294 336 343 378 392 432 441 504 557 588 672 686 756 784 864 882 1008 1029 1114 1176 1323 1372 1512 1568 1671 1764 2016 2058 2228 2352 2646 2744 3024 3087 3342 3528 3899 4051 4116 4456 4704 5013 5292 5488 6048 6174 6684 7056 7798 8102 8232 8912 9261 10026 10584 10976 11697 12153 12348 13368 14112 15039 15596 16204 16464 17824 18522 20052 21168 23394 24306 24696 26736 27293 28357 30078 31192 32408 32928 35091 36459 37044 40104 42336 46788 48612 49392 53472 54586 56714 60156 62384 64816 70182 72918 74088 80208 81879 85071 93576 97224 98784 105273 109172 109377 113428 120312 124768 129632 140364 145836 148176 160416 163758 170142 187152 191051 194448 198499 210546 218344 218754 226856 240624 245637 255213 280728 291672 296352 327516 340284 374304 382102 388896 396998 421092 436688 437508 453712 481248 491274 510426 561456 573153 583344 595497 655032 680568 736911 764204 765639 793996 842184 873376 875016 907424 982548 1020852 1122912 1146306 1166688 1190994 1310064 1361136 1389493 1473822 1528408 1531278 1587992 1684368 1719459 1750032 1786491 1965096 2041704 2256407 2292612 2381988 2620128 2722272 2778986 2947644 3056816 3062556 3175984 3368736 3438918 3500064 3572982 3930192 4083408 4168479 4512814 4585224 4763976 5158377 5359473 5557972 5895288 6113632 6125112 6351968 6769221 6877836 7145964 7860384 8166816 8336958 9025628 9170448 9527952 10316754 10718946 11115944 11790576 12250224 12505437 13538442 13755672 14291928 15794849 16673916 18051256 18340896 19055904 20307663 20633508 21437892 22231888 23581152 24500448 25010874 27076884 27511344 28583856 31589698 33347832 36102512 37516311 40615326 41267016 42875784 44463776 47384547 50021748 54153768 55022688 57167712 60922989 63179396 66695664 72205024 75032622 81230652 82534032 85751568 94769094 100043496 108307536 110563943 121845978 126358792 133391328 142153641 150065244 162461304 165068064 171503136 189538188 200086992 216615072 221127886 243691956 252717584 284307282 300130488 324922608 331691829 379076376 400173984 426460923 442255772 487383912 505435168 568614564 600260976 649845216 663383658 758152752 773947601 852921846 884511544 974767824 995075487 1137229128 1200521952 1326767316 1516305504 1547895202 1705843692 1769023088 1949535648 1990150974 2274458256 2321842803 2653534632 2985226461 3095790404 3411687384 3538046176 3980301948 4548916512 4643685606 5307069264 5970452922 6191580808 6823374768 6965528409 7960603896 9287371212 10614138528 11940905844 12383161616 13646749536 13931056818 15921207792 18574742424 20896585227 23881811688 24766323232 27862113636 31842415584 37149484848 41793170454 47763623376 55724227272 74298969696 83586340908 95527246752 111448454544 167172681816 222896909088 334345363632 668690727264
• Sum of all divisors σ(n): 2279104128000
• Sum of proper divisors (its aliquot sum) s(n): 1610413400736
• 668690727264 is an abundant number, because the sum of its proper divisors (1610413400736) is greater than itself. Its abundance is 941722673472

Bases of 668690727264

• Binary: 1001101110110001000100101100000101100000₂
• Hexadecimal: 0x9BB112C160
• Base-36: 8J6X6ZC0

Squares and roots of 668690727264

• 668690727264 squared (668690727264²) is 447147288728857232925696
• 668690727264 cubed (668690727264³) is 299003245694225333188710304713375744
• The square root of 668690727264 is 817735.1204785081
• The cube root of 668690727264 is 8744.6366141527

Scales and comparisons

• 668,690,727,264 seconds is equal to 21,262 years, 15 weeks, 3 days, 14 minutes, 24 seconds.
• To count from 1 to 668,690,727,264 would take you about forty-two thousand, five hundred twenty-four 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 668690727264 cubic inches would be around 728.7 feet tall.

Recreational maths with 668690727264

• 668690727264 backwards is 462727096866
• 668690727264 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 668690727264's digits is 63
• More coming soon!