640074348500

Names of 640074348500

• Cardinal: 640074348500 can be written as Six hundred forty billion, seventy-four million, three hundred forty-eight thousand, five hundred.

Scientific notation

• Scientific notation: 6.400743485 × 10¹¹

Factors of 640074348500

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 8479

Divisors of 640074348500

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 10 20 23 25 46 50 53 92 100 106 115 125 127 212 230 250 254 265 460 500 508 530 575 635 1060 1150 1219 1270 1325 2300 2438 2540 2650 2875 2921 3175 4876 5300 5750 5842 6095 6350 6625 6731 8269 11500 11684 12190 12700 13250 13462 14605 15875 16538 24380 26500 26924 29210 30475 31750 33076 33655 41345 58420 60950 63500 67310 73025 82690 121900 134620 146050 152375 154813 165380 168275 190187 206725 292100 304750 309626 336550 365125 380374 413450 438257 609500 619252 673100 730250 760748 774065 826900 841375 876514 950935 1033625 1050163 1460500 1548130 1682750 1753028 1901870 2067250 2100326 2191285 3096260 3365500 3803740 3870325 4134500 4200652 4382570 4754675 5250815 7740650 8765140 9509350 10079911 10501630 10956425 15481300 19018700 19351625 20159822 21003260 21912850 23773375 24153749 26254075 38703250 40319644 43825700 47546750 48307498 50399555 52508150 54782125 55658639 77406500 95093500 96614996 100799110 105016300 109564250 111317278 120768745 131270375 201598220 219128500 222634556 241537490 251997775 262540750 278293195 483074980 503995550 525081500 556586390 603843725 1007991100 1113172780 1207687450 1259988875 1280148697 1391465975 2415374900 2519977750 2560297394 2782931950 3019218625 5039955500 5120594788 5565863900 6038437250 6400743485 6957329875 12076874500 12801486970 13914659750 25602973940 27829319500 32003717425 64007434850 128014869700 160018587125 320037174250 640074348500
• Sum of all divisors σ(n): 1498107985920
• Sum of proper divisors (its aliquot sum) s(n): 858033637420
• 640074348500 is an abundant number, because the sum of its proper divisors (858033637420) is greater than itself. Its abundance is 217959288920

Bases of 640074348500

• Binary: 1001010100000111011001110111011111010100₂
• Hexadecimal: 0x95076777D4
• Base-36: 861NQO5W

Squares and roots of 640074348500

• 640074348500 squared (640074348500²) is 409695171607699452250000
• 640074348500 cubed (640074348500³) is 262235370050393924482725609125000000
• The square root of 640074348500 is 800046.4664630423
• The cube root of 640074348500 is 8618.0724534303

Scales and comparisons

• 640,074,348,500 seconds is equal to 20,352 years, 19 weeks, 6 days, 22 hours, 8 minutes, 20 seconds.
• To count from 1 to 640,074,348,500 would take you about forty thousand, seven hundred 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 640074348500 cubic inches would be around 718.2 feet tall.

Recreational maths with 640074348500

• 640074348500 backwards is 005843470046
• The number of decimal digits it has is: 12
• The sum of 640074348500's digits is 41
• More coming soon!