21242983125

Names of 21242983125

• Cardinal: 21242983125 can be written as Twenty-one billion, two hundred forty-two million, nine hundred eighty-three thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 2.1242983125 × 10¹⁰

Factors of 21242983125

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 246

Divisors of 21242983125

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 5 7 13 15 21 25 35 39 61 65 75 91 105 125 157 169 175 183 195 273 305 325 375 427 455 471 507 525 625 785 793 845 875 915 975 1099 1183 1281 1365 1525 1625 1875 2041 2135 2275 2355 2379 2535 2625 3297 3549 3925 3965 4225 4375 4575 4875 5495 5551 5915 6123 6405 6825 7625 8125 9577 10205 10309 10675 11375 11775 11895 12675 13125 14287 16485 16653 17745 19625 19825 21125 22875 24375 26533 27475 27755 28731 29575 30615 30927 32025 34125 38125 42861 47885 51025 51545 53375 56875 58875 59475 63375 67039 71435 72163 79599 82425 83265 88725 98125 99125 105625 114375 124501 132665 137375 138775 143655 147875 153075 154635 160125 170625 185731 201117 214305 216489 239425 255125 257725 266875 294375 297375 316875 335195 357175 360815 373503 397995 412125 416325 443625 495625 557193 622505 663325 686875 693875 718275 739375 765375 773175 800625 871507 928655 1005585 1071525 1082445 1197125 1275625 1288625 1486875 1618513 1675975 1785875 1804075 1867515 1989975 2060625 2081625 2218125 2614521 2785965 3112525 3316625 3469375 3591375 3826875 3865875 4357535 4643275 4855539 5027925 5357625 5412225 5985625 6443125 8092565 8379875 8929375 9020375 9337575 9949875 10408125 11329591 13072605 13929825 15562625 16583125 17956875 19329375 21787675 23216375 24277695 25139625 26788125 27061125 33988773 40462825 41899375 45101875 46687875 49749375 56647955 65363025 69649125 77813125 108938375 116081875 121388475 125698125 135305625 169943865 202314125 233439375 283239775 326815125 348245625 544691875 606942375 849719325 1011570625 1416198875 1634075625 3034711875 4248596625 7080994375 21242983125
• Sum of all divisors σ(n): 44802358656
• Sum of proper divisors (its aliquot sum) s(n): 23559375531
• 21242983125 is an abundant number, because the sum of its proper divisors (23559375531) is greater than itself. Its abundance is 2316392406

Bases of 21242983125

• Binary: 10011110010001011100011001011010101₂
• Hexadecimal: 0x4F22E32D5
• Base-36: 9RBIUOL

Squares and roots of 21242983125

• 21242983125 squared (21242983125²) is 451264332049034765625
• 21242983125 cubed (21242983125³) is 9586200590632042198710205078125
• The square root of 21242983125 is 145749.7277012893
• The cube root of 21242983125 is 2769.5242235239

Scales and comparisons

• 21,242,983,125 seconds is equal to 675 years, 23 weeks, 6 days, 20 hours, 38 minutes, 45 seconds.
• To count from 1 to 21,242,983,125 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 21242983125 cubic inches would be around 230.8 feet tall.

Recreational maths with 21242983125

• 21242983125 backwards is 52138924212
• 21242983125 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21242983125's digits is 39
• More coming soon!