82890009720

Names of 82890009720

• Cardinal: 82890009720 can be written as Eighty-two billion, eight hundred ninety million, nine thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 8.289000972 × 10¹⁰

Factors of 82890009720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 61449

Divisors of 82890009720

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 35 36 40 42 45 54 56 60 63 70 72 84 90 105 108 120 126 135 140 168 179 180 189 210 216 252 270 280 315 358 360 378 420 504 537 540 630 716 756 840 895 945 1074 1080 1253 1260 1432 1512 1611 1790 1890 2148 2506 2520 2685 3222 3580 3759 3780 4296 4833 5012 5370 6265 6444 7160 7518 7560 8055 9666 10024 10740 11277 12530 12888 15036 16110 18795 19332 21480 22554 24165 25060 30072 32220 33831 37590 38664 45108 48330 50120 56385 61253 64440 67662 75180 90216 96660 112770 122506 135324 150360 169155 183759 193320 225540 245012 270648 306265 338310 367518 428771 451080 490024 551277 612530 676620 735036 857542 918795 1102554 1225060 1286313 1353240 1470072 1653831 1715084 1837590 2143855 2205108 2450120 2572626 2756385 3307662 3430168 3675180 3858939 4287710 4410216 5145252 5512770 6431565 6615324 7350360 7717878 8269155 8575420 10290504 10964287 11025540 11576817 12863130 13230648 15435756 16538310 17150840 19294695 21928574 22051080 23153634 25726260 30871512 32892861 33076620 38589390 43857148 46307268 51452520 54821435 57884085 65785722 66153240 76750009 77178780 87714296 92614536 98678583 109642870 115768170 131571444 153500018 154357560 164464305 197357166 219285740 230250027 231536340 263142888 296035749 307000036 328928610 383750045 394714332 438571480 460500054 463072680 493392915 592071498 614000072 657857220 690750081 767500090 789428664 921000108 986785830 1151250135 1184142996 1315714440 1381500162 1480178745 1535000180 1842000216 1973571660 2072250243 2302500270 2368285992 2763000324 2960357490 3070000360 3453750405 3947143320 4144500486 4605000540 5526000648 5920714980 6907500810 8289000972 9210001080 10361251215 11841429960 13815001620 16578001944 20722502430 27630003240 41445004860 82890009720
• Sum of all divisors σ(n): 317540736000
• Sum of proper divisors (its aliquot sum) s(n): 234650726280
• 82890009720 is an abundant number, because the sum of its proper divisors (234650726280) is greater than itself. Its abundance is 151760716560

Bases of 82890009720

• Binary: 1001101001100101000010010110001111000₂
• Hexadecimal: 0x134CA12C78
• Base-36: 122UKKU0

Squares and roots of 82890009720

• 82890009720 squared (82890009720²) is 6870753711381694478400
• 82890009720 cubed (82890009720³) is 569516841920154729944646330048000
• The square root of 82890009720 is 287906.2516167373
• The cube root of 82890009720 is 4360.1429707907

Scales and comparisons

• 82,890,009,720 seconds is equal to 2,635 years, 33 weeks, 4 days, 2 hours, 42 minutes.
• To count from 1 to 82,890,009,720 would take you about five thousand, two hundred seventy-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 82890009720 cubic inches would be around 363.3 feet tall.

Recreational maths with 82890009720

• 82890009720 backwards is 02790009828
• 82890009720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 82890009720's digits is 45
• More coming soon!