21382637843574

Names of 21382637843574

• Cardinal: 21382637843574 can be written as Twenty-one trillion, three hundred eighty-two billion, six hundred thirty-seven million, eight hundred forty-three thousand, five hundred seventy-four.

Scientific notation

• Scientific notation: 2.1382637843574 × 10¹³

Factors of 21382637843574

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1775202

Divisors of 21382637843574

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 243 378 486 567 729 1134 1181 1458 1701 2362 3402 3543 5103 7086 8267 10206 10629 16534 21258 24801 31887 49602 63774 74403 95661 148806 191322 223209 286983 446418 573966 669627 860949 1339254 1721898 1774009 2008881 3548018 4017762 5322027 6026643 10644054 12053286 12418063 15966081 24836126 31932162 37254189 47898243 74508378 95796486 111762567 143694729 223525134 287389458 335287701 431084187 670575402 862168374 1005863103 1293252561 2011726206 2095104629 2586505122 3017589309 4190209258 6035178618 6285313887 9052767927 12570627774 14665732403 18105535854 18855941661 29331464806 37711883322 43997197209 56567824983 87994394418 113135649966 131991591627 169703474949 263983183254 339406949898 395974774881 509110424847 791949549762 1018220849694 1187924324643 1527331274541 2375848649286 3054662549082 3563772973929 7127545947858 10691318921787 21382637843574
• Sum of all divisors σ(n): 55005351438240
• Sum of proper divisors (its aliquot sum) s(n): 33622713594666
• 21382637843574 is an abundant number, because the sum of its proper divisors (33622713594666) is greater than itself. Its abundance is 12240075751092

Bases of 21382637843574

• Binary: 100110111001010001000100010000111010001110110₂
• Hexadecimal: 0x137288887476
• Base-36: 7KV1QHLDI

Squares and roots of 21382637843574

• 21382637843574 squared (21382637843574²) is 457217201149442960893093476
• 21382637843574 cubed (21382637843574³) is 9776509828031064827422409896806647923224
• The square root of 21382637843574 is 4624136.4430100893
• The cube root of 21382637843574 is 27755.8006837923

Scales and comparisons

• 21,382,637,843,574 seconds is equal to 679,901 years, 38 weeks, 4 days, 7 hours, 12 minutes, 54 seconds.
• To count from 1 to 21,382,637,843,574 would take you about one million, six hundred ninety-nine thousand, seven hundred fifty-four 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 21382637843574 cubic inches would be around 2313 feet tall.

Recreational maths with 21382637843574

• 21382637843574 backwards is 47534873628312
• 21382637843574 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21382637843574's digits is 63
• More coming soon!