21143829528

Names of 21143829528

• Cardinal: 21143829528 can be written as Twenty-one billion, one hundred forty-three million, eight hundred twenty-nine thousand, five hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1143829528 × 10¹⁰

Factors of 21143829528

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 184

Divisors of 21143829528

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 23 24 36 46 59 69 72 92 97 118 138 177 184 194 207 236 276 291 354 388 414 472 529 531 552 582 708 776 828 873 1058 1062 1164 1357 1416 1587 1656 1746 2116 2124 2231 2328 2714 3174 3492 4071 4232 4248 4462 4761 5428 5723 6348 6693 6984 8142 8924 9409 9522 10856 11446 12213 12696 13386 16284 17169 17848 18818 19044 20079 22892 24426 26772 28227 31211 32568 34338 37636 38088 40158 45784 48852 51313 51507 53544 56454 62422 68676 75272 80316 84681 93633 97704 102626 103014 112908 124844 131629 137352 153939 160632 169362 187266 205252 206028 216407 225816 249688 263258 280899 307878 338724 374532 394887 410504 412056 432814 461817 526516 555131 561798 615756 649221 677448 749064 789774 865628 923634 1053032 1110262 1123596 1184661 1231512 1298442 1579548 1665393 1731256 1847268 1947663 2220524 2247192 2369322 2596884 3027467 3159096 3330786 3694536 3895326 4441048 4738644 4977361 4996179 5193768 6054934 6661572 7790652 9082401 9477288 9954722 9992358 12109868 12768013 13323144 14932083 15581304 18164802 19909444 19984716 24219736 25536026 27247203 29864166 36329604 38304039 39818888 39969432 44796249 51072052 54494406 59728332 72659208 76608078 89592498 102144104 108988812 114912117 119456664 153216156 179184996 217977624 229824234 293664299 306432312 358369992 459648468 587328598 880992897 919296936 1174657196 1761985794 2349314392 2642978691 3523971588 5285957382 7047943176 10571914764 21143829528
• Sum of all divisors σ(n): 61511240700
• Sum of proper divisors (its aliquot sum) s(n): 40367411172
• 21143829528 is an abundant number, because the sum of its proper divisors (40367411172) is greater than itself. Its abundance is 19223581644

Bases of 21143829528

• Binary: 10011101100010001010011110000011000₂
• Hexadecimal: 0x4EC453C18
• Base-36: 9POHNA0

Squares and roots of 21143829528

• 21143829528 squared (21143829528²) is 447061527109124702784
• 21143829528 cubed (21143829528³) is 9452592717722683368958563005952
• The square root of 21143829528 is 145409.1796552061
• The cube root of 21143829528 is 2765.2084980011

Scales and comparisons

• 21,143,829,528 seconds is equal to 672 years, 16 weeks, 5 hours, 58 minutes, 48 seconds.
• To count from 1 to 21,143,829,528 would take you about one thousand, three hundred forty-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 21143829528 cubic inches would be around 230.4 feet tall.

Recreational maths with 21143829528

• 21143829528 backwards is 82592834112
• The number of decimal digits it has is: 11
• The sum of 21143829528's digits is 45
• More coming soon!