64812409740

Names of 64812409740

• Cardinal: 64812409740 can be written as Sixty-four billion, eight hundred twelve million, four hundred nine thousand, seven hundred forty.

Scientific notation

• Scientific notation: 6.481240974 × 10¹⁰

Factors of 64812409740

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 485965

Divisors of 64812409740

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 19 20 26 27 30 36 38 39 45 52 54 57 60 65 76 78 90 95 108 114 117 130 135 156 171 180 190 195 228 234 247 260 270 285 342 351 380 390 468 494 513 540 570 585 684 702 741 780 855 988 1026 1140 1170 1235 1404 1482 1710 1755 2052 2223 2340 2470 2565 2964 3420 3510 3705 4446 4940 5130 6669 7020 7410 8892 10260 11115 13338 14820 22230 26676 33345 44460 66690 133380 485923 971846 1457769 1943692 2429615 2915538 4373307 4859230 5831076 6316999 7288845 8746614 9232537 9718460 12633998 13119921 14577690 17493228 18465074 18950997 21866535 25267996 26239842 27697611 29155380 31584995 36930148 37901994 43733070 46162685 52479684 55395222 56852991 63169990 65599605 75803988 83092833 87466140 92325370 94754985 110790444 113705982 120022981 126339980 131199210 138488055 166185666 170558973 184650740 189509970 227411964 240045962 249278499 262398420 276976110 284264955 332371332 341117946 360068943 379019940 415464165 480091924 498556998 553952220 568529910 600114905 682235892 720137886 830928330 852794865 997113996 1080206829 1137059820 1200229810 1246392495 1440275772 1661856660 1705589730 1800344715 2160413658 2400459620 2492784990 3240620487 3411179460 3600689430 4320827316 4985569980 5401034145 6481240974 7201378860 10802068290 12962481948 16203102435 21604136580 32406204870 64812409740
• Sum of all divisors σ(n): 228578649600
• Sum of proper divisors (its aliquot sum) s(n): 163766239860
• 64812409740 is an abundant number, because the sum of its proper divisors (163766239860) is greater than itself. Its abundance is 98953830120

Bases of 64812409740

• Binary: 111100010111000111101110001110001100₂
• Hexadecimal: 0xF171EE38C
• Base-36: TRVMVF0

Squares and roots of 64812409740

• 64812409740 squared (64812409740²) is 4200648456305646867600
• 64812409740 cubed (64812409740³) is 272254148923780071458638730424000
• The square root of 64812409740 is 254582.8150916711
• The cube root of 64812409740 is 4016.8540881041

Scales and comparisons

• 64,812,409,740 seconds is equal to 2,060 years, 43 weeks, 2 days, 15 hours, 9 minutes.
• To count from 1 to 64,812,409,740 would take you about four thousand, one 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 64812409740 cubic inches would be around 334.7 feet tall.

Recreational maths with 64812409740

• 64812409740 backwards is 04790421846
• 64812409740 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64812409740's digits is 45
• More coming soon!