81743504000

Names of 81743504000

• Cardinal: 81743504000 can be written as Eighty-one billion, seven hundred forty-three million, five hundred four thousand.

Scientific notation

• Scientific notation: 8.1743504 × 10¹⁰

Factors of 81743504000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 401

Divisors of 81743504000

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 41 50 64 80 82 100 125 128 160 164 200 205 250 320 328 353 400 410 500 640 656 706 800 820 1000 1025 1312 1412 1600 1640 1765 2000 2050 2624 2824 3200 3280 3530 4000 4100 5125 5248 5648 6560 7060 8000 8200 8825 10250 11296 13120 14120 14473 16000 16400 17650 20500 22592 26240 28240 28946 32800 35300 41000 44125 45184 56480 57892 65600 70600 72365 82000 88250 112960 115784 124609 131200 141200 144730 164000 176500 225920 231568 249218 282400 289460 328000 353000 361825 463136 498436 564800 578920 623045 656000 706000 723650 926272 996872 1129600 1157840 1246090 1412000 1447300 1809125 1852544 1993744 2315680 2492180 2824000 2894600 3115225 3618250 3987488 4631360 4984360 5108969 5648000 5789200 6230450 7236500 7974976 9262720 9968720 10217938 11578400 12460900 14473000 15576125 15949952 19937440 20435876 23156800 24921800 25544845 28946000 31152250 39874880 40871752 46313600 49843600 51089690 57892000 62304500 79749760 81743504 99687200 102179380 115784000 124609000 127724225 163487008 199374400 204358760 231568000 249218000 255448450 326974016 398748800 408717520 498436000 510896900 638621125 653948032 817435040 996872000 1021793800 1277242250 1634870080 1993744000 2043587600 2554484500 3269740160 4087175200 5108969000 8174350400 10217938000 16348700800 20435876000 40871752000 81743504000
• Sum of all divisors σ(n): 208783181880
• Sum of proper divisors (its aliquot sum) s(n): 127039677880
• 81743504000 is an abundant number, because the sum of its proper divisors (127039677880) is greater than itself. Its abundance is 45296173880

Bases of 81743504000

• Binary: 1001100001000010010101110001010000000₂
• Hexadecimal: 0x13084AE280
• Base-36: 11JVYZCW

Squares and roots of 81743504000

• 81743504000 squared (81743504000²) is 6682000446198016000000
• 81743504000 cubed (81743504000³) is 546210130201789305688064000000000
• The square root of 81743504000 is 285908.2090461903
• The cube root of 81743504000 is 4339.9469083951

Scales and comparisons

• 81,743,504,000 seconds is equal to 2,599 years, 9 weeks, 6 days, 8 hours, 53 minutes, 20 seconds.
• To count from 1 to 81,743,504,000 would take you about five thousand, one hundred ninety-eight 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 81743504000 cubic inches would be around 361.7 feet tall.

Recreational maths with 81743504000

• 81743504000 backwards is 00040534718
• 81743504000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81743504000's digits is 32
• More coming soon!