21132818460

Names of 21132818460

• Cardinal: 21132818460 can be written as Twenty-one billion, one hundred thirty-two million, eight hundred eighteen thousand, four hundred sixty.

Scientific notation

• Scientific notation: 2.113281846 × 10¹⁰

Factors of 21132818460

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 17597

Divisors of 21132818460

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 65 78 90 108 117 130 135 156 173 180 195 234 260 270 346 351 390 468 519 540 585 692 702 780 865 1038 1170 1404 1557 1730 1755 2076 2249 2340 2595 3114 3460 3510 4498 4671 5190 6228 6747 7020 7785 8996 9342 10380 11245 13494 15570 17401 18684 20241 22490 23355 26988 31140 33735 34802 40482 44980 46710 52203 60723 67470 69604 80964 87005 93420 101205 104406 121446 134940 156609 174010 202410 208812 226213 242892 261015 303615 313218 348020 404820 452426 469827 522030 607230 626436 678639 783045 904852 939654 1044060 1131065 1214460 1357278 1566090 1879308 2035917 2262130 2349135 2714556 3010373 3132180 3393195 4071834 4524260 4698270 6020746 6107751 6786390 8143668 9031119 9396540 10179585 12041492 12215502 13572780 15051865 18062238 20359170 24431004 27093357 30103730 30538755 36124476 39134849 40718340 45155595 54186714 60207460 61077510 78269698 81280071 90311190 108373428 117404547 122155020 135466785 156539396 162560142 180622380 195674245 234809094 270933570 325120284 352213641 391348490 406400355 469618188 541867140 587022735 704427282 782696980 812800710 1056640923 1174045470 1408854564 1625601420 1761068205 2113281846 2348090940 3522136410 4226563692 5283204615 7044272820 10566409230 21132818460
• Sum of all divisors σ(n): 71217336960
• Sum of proper divisors (its aliquot sum) s(n): 50084518500
• 21132818460 is an abundant number, because the sum of its proper divisors (50084518500) is greater than itself. Its abundance is 28951700040

Bases of 21132818460

• Binary: 10011101011100111010011100000011100₂
• Hexadecimal: 0x4EB9D381C
• Base-36: 9PHXN30

Squares and roots of 21132818460

• 21132818460 squared (21132818460²) is 446596016063316771600
• 21132818460 cubed (21132818460³) is 9437832532425317199696083736000
• The square root of 21132818460 is 145371.3123693943
• The cube root of 21132818460 is 2764.7284022875

Scales and comparisons

• 21,132,818,460 seconds is equal to 671 years, 49 weeks, 5 days, 19 hours, 21 minutes.
• To count from 1 to 21,132,818,460 would take you about one thousand, three hundred forty-three 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 21132818460 cubic inches would be around 230.4 feet tall.

Recreational maths with 21132818460

• 21132818460 backwards is 06481823112
• 21132818460 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21132818460's digits is 36
• More coming soon!