21231594120

Names of 21231594120

• Cardinal: 21231594120 can be written as Twenty-one billion, two hundred thirty-one million, five hundred ninety-four thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.123159412 × 10¹⁰

Factors of 21231594120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 24053

Divisors of 21231594120

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 61 66 88 110 120 121 122 132 165 183 220 242 244 264 305 330 363 366 440 484 488 605 610 660 671 726 732 915 968 1210 1220 1320 1342 1452 1464 1815 1830 2013 2420 2440 2684 2904 3355 3630 3660 4026 4840 5368 6710 7260 7320 7381 8052 10065 13420 14520 14762 16104 20130 22143 23971 26840 29524 36905 40260 44286 47942 59048 71913 73810 80520 88572 95884 110715 119855 143826 147620 177144 191768 221430 239710 263681 287652 295240 359565 442860 479420 527362 575304 719130 791043 885720 958840 1054724 1318405 1438260 1462231 1582086 2109448 2636810 2876520 2900491 2924462 3164172 3955215 4386693 5273620 5800982 5848924 6328344 7311155 7910430 8701473 8773386 10547240 11601964 11697848 14502455 14622310 15820860 16084541 17402946 17546772 21933465 23203928 29004910 29244620 31641720 32169082 34805892 35093544 43507365 43866930 48253623 58009820 58489240 64338164 69611784 80422705 87014730 87733860 96507246 116019640 128676328 160845410 174029460 175467720 176929951 193014492 241268115 321690820 348058920 353859902 386028984 482536230 530789853 643381640 707719804 884649755 965072460 1061579706 1415439608 1769299510 1930144920 2123159412 2653949265 3538599020 4246318824 5307898530 7077198040 10615797060 21231594120
• Sum of all divisors σ(n): 71162320320
• Sum of proper divisors (its aliquot sum) s(n): 49930726200
• 21231594120 is an abundant number, because the sum of its proper divisors (49930726200) is greater than itself. Its abundance is 28699132080

Bases of 21231594120

• Binary: 10011110001100000000110101010001000₂
• Hexadecimal: 0x4F1806A88
• Base-36: 9R4QQVC

Squares and roots of 21231594120

• 21231594120 squared (21231594120²) is 450780588876418574400
• 21231594120 cubed (21231594120³) is 9570790500198706010889822528000
• The square root of 21231594120 is 145710.6520471307
• The cube root of 21231594120 is 2769.0291931787

Scales and comparisons

• 21,231,594,120 seconds is equal to 675 years, 5 weeks, 1 day, 1 hour, 2 minutes.
• To count from 1 to 21,231,594,120 would take you about one thousand, three hundred fifty 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 21231594120 cubic inches would be around 230.8 feet tall.

Recreational maths with 21231594120

• 21231594120 backwards is 02149513212
• 21231594120 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21231594120's digits is 30
• More coming soon!