21503057472

Names of 21503057472

• Cardinal: 21503057472 can be written as Twenty-one billion, five hundred three million, fifty-seven thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.1503057472 × 10¹⁰

Factors of 21503057472

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 371

Divisors of 21503057472

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 43 48 52 54 64 72 78 86 96 104 108 113 117 129 144 156 172 192 197 208 216 226 234 258 288 312 339 344 351 387 394 416 432 452 468 516 559 576 591 624 678 688 702 774 788 832 864 904 936 1017 1032 1118 1161 1182 1248 1356 1376 1404 1469 1548 1576 1677 1728 1773 1808 1872 2034 2064 2236 2322 2364 2496 2561 2712 2752 2808 2938 3051 3096 3152 3354 3546 3616 3744 4068 4128 4407 4472 4644 4728 4859 5031 5122 5319 5424 5616 5876 6102 6192 6304 6708 7092 7232 7488 7683 8136 8256 8471 8814 8944 9288 9456 9718 10062 10244 10638 10848 11232 11752 12204 12384 12608 13221 13416 14184 14577 15093 15366 16272 16942 17628 17888 18576 18912 19436 20124 20488 21276 21696 22261 22464 23049 23504 24408 24768 25413 26442 26832 28368 29154 30186 30732 32544 33884 35256 35776 37152 37824 38872 39663 40248 40976 42552 43731 44522 46098 47008 48816 50826 52884 53664 56736 58308 60372 61464 63167 65088 66783 67768 69147 70512 74304 76239 77744 79326 80496 81952 85104 87462 89044 92196 94016 97632 101652 105768 107328 110123 113472 116616 120744 122928 126334 131193 133566 135536 138294 141024 152478 155488 158652 160992 163904 170208 174924 178088 184392 189501 195264 200349 203304 211536 220246 228717 233232 241488 245856 252668 262386 267132 271072 276588 282048 289393 304956 310976 317304 321984 330369 340416 349848 356176 368784 379002 400698 406608 423072 440492 457434 466464 482976 491712 505336 524772 534264 542144 553176 568503 578786 601047 609912 634608 660738 699696 712352 737568 758004 801396 813216 846144 868179 880984 914868 932928 957223 965952 991107 1010672 1049544 1068528 1106352 1137006 1157572 1202094 1219824 1269216 1321476 1399392 1424704 1475136 1516008 1602792 1626432 1705509 1736358 1761968 1829736 1914446 1982214 2021344 2099088 2137056 2212704 2274012 2315144 2404188 2439648 2538432 2604537 2642952 2798784 2871669 2973321 3032016 3205584 3411018 3472716 3523936 3659472 3828892 3964428 4042688 4198176 4274112 4425408 4548024 4630288 4808376 4879296 5209074 5285904 5743338 5946642 6064032 6411168 6822036 6945432 7047872 7318944 7657784 7813611 7928856 8396352 8615007 9096048 9260576 9616752 10418148 10571808 11486676 11893284 12128064 12443899 12822336 13644072 13890864 14637888 15315568 15627222 15857712 17230014 18192096 18521152 19233504 20836296 21143616 22973352 23786568 24887798 25845021 27288144 27781728 30631136 31254444 31715424 34460028 36384192 37331697 38467008 41672592 45946704 47573136 49775596 51690042 54576288 55563456 61262272 62508888 63430848 68920056 74663394 83345184 91893408 95146272 99551192 103380084 109152576 111995091 125017776 137840112 149326788 166690368 183786816 190292544 199102384 206760168 223990182 250035552 275680224 298653576 335985273 398204768 413520336 447980364 500071104 551360448 597307152 671970546 796409536 827040672 895960728 1194614304 1343941092 1654081344 1791921456 2389228608 2687882184 3583842912 5375764368 7167685824 10751528736 21503057472
• Sum of all divisors σ(n): 70634108160
• Sum of proper divisors (its aliquot sum) s(n): 49131050688
• 21503057472 is an abundant number, because the sum of its proper divisors (49131050688) is greater than itself. Its abundance is 27627993216

Bases of 21503057472

• Binary: 10100000001101011101001111001000000₂
• Hexadecimal: 0x501AE9E40
• Base-36: 9VMD5C0

Squares and roots of 21503057472

• 21503057472 squared (21503057472²) is 462381480644135030784
• 21503057472 cubed (21503057472³) is 9942615552279291146676841218048
• The square root of 21503057472 is 146639.2085085023
• The cube root of 21503057472 is 2780.7806871849

Scales and comparisons

• 21,503,057,472 seconds is equal to 683 years, 37 weeks, 6 days, 23 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,503,057,472 would take you about one thousand, three hundred sixty-seven 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 21503057472 cubic inches would be around 231.7 feet tall.

Recreational maths with 21503057472

• 21503057472 backwards is 27475030512
• 21503057472 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21503057472's digits is 36
• More coming soon!