66827139840

Names of 66827139840

• Cardinal: 66827139840 can be written as Sixty-six billion, eight hundred twenty-seven million, one hundred thirty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 6.682713984 × 10¹⁰

Factors of 66827139840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1139

Divisors of 66827139840

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 41 45 48 60 64 72 80 82 90 96 120 123 128 144 151 160 164 180 192 205 240 246 256 288 302 320 328 360 369 384 410 453 480 492 576 604 615 640 656 720 738 755 768 820 906 937 960 984 1152 1208 1230 1280 1312 1359 1440 1476 1510 1640 1812 1845 1874 1920 1968 2265 2304 2416 2460 2624 2718 2811 2880 2952 3020 3280 3624 3690 3748 3840 3936 4530 4685 4832 4920 5248 5436 5622 5760 5904 6040 6191 6560 6795 7248 7380 7496 7872 8433 9060 9370 9664 9840 10496 10872 11244 11520 11808 12080 12382 13120 13590 14055 14496 14760 14992 15744 16866 18120 18573 18740 19328 19680 21744 22488 23616 24160 24764 26240 27180 28110 28992 29520 29984 30955 31488 33732 36240 37146 37480 38417 38656 39360 42165 43488 44976 47232 48320 49528 52480 54360 55719 56220 57984 59040 59968 61910 67464 72480 74292 74960 76834 78720 84330 86976 89952 92865 94464 96640 99056 108720 111438 112440 115251 115968 118080 119936 123820 134928 141487 144960 148584 149920 153668 157440 168660 173952 179904 185730 192085 193280 198112 217440 222876 224880 230502 236160 239872 247640 269856 278595 282974 289920 297168 299840 307336 337320 345753 347904 359808 371460 384170 396224 424461 434880 445752 449760 461004 472320 495280 539712 557190 565948 576255 579840 594336 599680 614672 674640 691506 707435 719616 742920 768340 792448 848922 869760 891504 899520 922008 990560 1079424 1114380 1131896 1152510 1188672 1199360 1229344 1273383 1349280 1383012 1414870 1485840 1536680 1584896 1697844 1728765 1739520 1783008 1799040 1844016 1981120 2122305 2158848 2228760 2263792 2305020 2377344 2458688 2546766 2698560 2766024 2829740 2971680 3073360 3395688 3457530 3566016 3598080 3688032 3962240 4244610 4457520 4527584 4610040 4754688 4917376 5093532 5397120 5532048 5659480 5800967 5943360 6146720 6366915 6791376 6915060 7132032 7376064 7924480 8489220 8915040 9055168 9220080 9834752 10187064 10794240 11064096 11318960 11601934 11886720 12293440 12733830 13582752 13830120 14264064 14752128 16978440 17402901 17830080 18110336 18440160 20374128 22128192 22637920 23203868 23773440 24586880 25467660 27165504 27660240 29004835 29504256 33956880 34805802 35660160 36220672 36880320 40748256 44256384 45275840 46407736 49173760 50935320 52208703 54331008 55320480 58009670 67913760 69611604 71320320 73760640 81496512 87014505 88512768 90551680 92815472 101870640 104417406 108662016 110640960 116019340 135827520 139223208 147521280 162993024 174029010 181103360 185630944 203741280 208834812 221281920 232038680 261043515 271655040 278446416 325986048 348058020 371261888 407482560 417669624 442563840 464077360 522087030 543310080 556892832 696116040 742523776 814965120 835339248 928154720 1044174060 1113785664 1392232080 1485047552 1629930240 1670678496 1856309440 2088348120 2227571328 2784464160 3341356992 3712618880 4176696240 4455142656 5568928320 6682713984 7425237760 8353392480 11137856640 13365427968 16706784960 22275713280 33413569920 66827139840
• Sum of all divisors σ(n): 238677356736
• Sum of proper divisors (its aliquot sum) s(n): 171850216896
• 66827139840 is an abundant number, because the sum of its proper divisors (171850216896) is greater than itself. Its abundance is 105023077056

Bases of 66827139840

• Binary: 111110001111001101010011101100000000₂
• Hexadecimal: 0xF8F353B00
• Base-36: UP75J40

Squares and roots of 66827139840

• 66827139840 squared (66827139840²) is 4465866619194915225600
• 66827139840 cubed (66827139840³) is 298441093067726627998116347904000
• The square root of 66827139840 is 258509.4579314265
• The cube root of 66827139840 is 4058.0521576067

Scales and comparisons

• 66,827,139,840 seconds is equal to 2,124 years, 46 weeks, 4 days, 6 hours, 24 minutes.
• To count from 1 to 66,827,139,840 would take you about four thousand, two hundred forty-nine 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 66827139840 cubic inches would be around 338.2 feet tall.

Recreational maths with 66827139840

• 66827139840 backwards is 04893172866
• The number of decimal digits it has is: 11
• The sum of 66827139840's digits is 54
• More coming soon!