66949693720

Names of 66949693720

• Cardinal: 66949693720 can be written as Sixty-six billion, nine hundred forty-nine million, six hundred ninety-three thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 6.694969372 × 10¹⁰

Factors of 66949693720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 39311

Divisors of 66949693720

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 20 26 28 35 40 49 52 56 65 67 70 91 98 104 130 134 140 182 196 245 260 268 280 335 364 392 455 469 490 520 536 637 670 728 871 910 938 980 1274 1340 1742 1820 1876 1960 2345 2548 2680 3185 3283 3484 3640 3752 4355 4690 5096 6097 6370 6566 6968 8710 9380 12194 12740 13132 16415 17420 18760 24388 25480 26264 30485 32830 34840 39217 42679 48776 60970 65660 78434 85358 121940 131320 156868 170716 196085 213395 243880 274519 313736 341432 392170 426790 509821 549038 784340 853580 1019642 1098076 1372595 1568680 1707160 1921633 2039284 2196152 2549105 2627539 2745190 3568747 3843266 4078568 5098210 5255078 5490380 7137494 7686532 9608165 10196420 10510156 10980760 13137695 14274988 15373064 17843735 18392773 19216330 20392840 21020312 24981229 26275390 28549976 34158007 35687470 36785546 38432660 49962458 52550780 68316014 71374940 73571092 76865320 91963865 99924916 105101560 124906145 128749411 136632028 142749880 147142184 170790035 183927730 199849832 239106049 249812290 257498822 273264056 341580070 367855460 478212098 499624580 514997644 643747055 683160140 735710920 956424196 999249160 1029995288 1195530245 1287494110 1366320280 1673742343 1912848392 2391060490 2574988220 3347484686 4782120980 5149976440 6694969372 8368711715 9564241960 13389938744 16737423430 33474846860 66949693720
• Sum of all divisors σ(n): 191531299680
• Sum of proper divisors (its aliquot sum) s(n): 124581605960
• 66949693720 is an abundant number, because the sum of its proper divisors (124581605960) is greater than itself. Its abundance is 57631912240

Bases of 66949693720

• Binary: 111110010110100000110100000100011000₂
• Hexadecimal: 0xF96834118
• Base-36: UR84AAG

Squares and roots of 66949693720

• 66949693720 squared (66949693720²) is 4482261489201807438400
• 66949693720 cubed (66949693720³) is 300086033875012095271297766848000
• The square root of 66949693720 is 258746.3888057185
• The cube root of 66949693720 is 4060.5313216651

Scales and comparisons

• 66,949,693,720 seconds is equal to 2,128 years, 41 weeks, 1 day, 17 hours, 8 minutes, 40 seconds.
• To count from 1 to 66,949,693,720 would take you about four thousand, two hundred fifty-seven 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 66949693720 cubic inches would be around 338.4 feet tall.

Recreational maths with 66949693720

• 66949693720 backwards is 02739694966
• The number of decimal digits it has is: 11
• The sum of 66949693720's digits is 61
• More coming soon!