21688031232

Names of 21688031232

• Cardinal: 21688031232 can be written as Twenty-one billion, six hundred eighty-eight million, thirty-one thousand, two hundred thirty-two.

Scientific notation

• Scientific notation: 2.1688031232 × 10¹⁰

Factors of 21688031232

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 1014

Divisors of 21688031232

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 27 28 32 36 38 42 48 54 56 57 63 64 72 76 81 84 96 108 112 114 126 128 133 144 152 162 168 171 189 192 216 224 228 252 256 266 288 304 324 336 342 378 384 399 432 448 456 504 512 513 532 567 576 608 648 672 684 756 768 798 864 896 912 983 1008 1024 1026 1064 1134 1152 1197 1216 1296 1344 1368 1512 1536 1539 1596 1728 1792 1824 1966 2016 2048 2052 2128 2268 2304 2394 2432 2592 2688 2736 2949 3024 3072 3078 3192 3456 3584 3591 3648 3932 4032 4104 4256 4536 4608 4788 4864 5184 5376 5472 5898 6048 6144 6156 6384 6881 6912 7168 7182 7296 7864 8064 8208 8512 8847 9072 9216 9576 9728 10368 10752 10773 10944 11796 12096 12312 12768 13762 13824 14336 14364 14592 15728 16128 16416 17024 17694 18144 18432 18677 19152 19456 20643 20736 21504 21546 21888 23592 24192 24624 25536 26541 27524 27648 28728 29184 31456 32256 32832 34048 35388 36288 37354 38304 38912 41286 41472 43008 43092 43776 47184 48384 49248 51072 53082 55048 55296 56031 57456 58368 61929 62912 64512 65664 68096 70776 72576 74708 76608 79623 82572 82944 86184 87552 94368 96768 98496 102144 106164 110096 112062 114912 116736 123858 125824 129024 130739 131328 136192 141552 145152 149416 153216 159246 165144 165888 168093 172368 175104 185787 188736 193536 196992 204288 212328 220192 224124 229824 247716 251648 261478 262656 272384 283104 290304 298832 306432 318492 330288 336186 344736 350208 371574 377472 387072 392217 393984 408576 424656 440384 448248 459648 495432 503296 504279 522956 525312 557361 566208 580608 597664 612864 636984 660576 672372 689472 743148 754944 784434 787968 817152 849312 880768 896496 919296 990864 1006592 1008558 1045912 1050624 1114722 1132416 1161216 1176651 1195328 1225728 1273968 1321152 1344744 1378944 1486296 1509888 1512837 1568868 1575936 1698624 1761536 1792992 1838592 1981728 2013184 2017116 2091824 2229444 2264832 2353302 2390656 2451456 2547936 2642304 2689488 2757888 2972592 3019776 3025674 3137736 3151872 3397248 3523072 3529953 3585984 3677184 3963456 4034232 4183648 4458888 4529664 4706604 4781312 5095872 5284608 5378976 5515776 5945184 6039552 6051348 6275472 6794496 7046144 7059906 7171968 7354368 7926912 8068464 8367296 8917776 9059328 9413208 9562624 10191744 10569216 10589859 10757952 11031552 11890368 12102696 12550944 13588992 14092288 14119812 14343936 15853824 16136928 16734592 17835552 18118656 18826416 19125248 20383488 21138432 21179718 21515904 22063104 23780736 24205392 25101888 27177984 28239624 28687872 31707648 32273856 33469184 35671104 37652832 38250496 40766976 42276864 42359436 43031808 47561472 48410784 50203776 54355968 56479248 57375744 63415296 64547712 66938368 71342208 75305664 81533952 84718872 86063616 95122944 96821568 100407552 112958496 114751488 126830592 129095424 133876736 142684416 150611328 163067904 169437744 172127232 190245888 193643136 200815104 225916992 258190848 267753472 285368832 301222656 338875488 344254464 380491776 387286272 401630208 451833984 516381696 570737664 602445312 677750976 774572544 803260416 903667968 1032763392 1141475328 1204890624 1355501952 1549145088 1807335936 2409781248 2711003904 3098290176 3614671872 5422007808 7229343744 10844015616 21688031232
• Sum of all divisors σ(n): 78010732800
• Sum of proper divisors (its aliquot sum) s(n): 56322701568
• 21688031232 is an abundant number, because the sum of its proper divisors (56322701568) is greater than itself. Its abundance is 34634670336

Bases of 21688031232

• Binary: 10100001100101101010001100000000000₂
• Hexadecimal: 0x50CB51800
• Base-36: 9YOHS00

Squares and roots of 21688031232

• 21688031232 squared (21688031232²) is 470370698720207437824
• 21688031232 cubed (21688031232³) is 10201414404461521341045610119168
• The square root of 21688031232 is 147268.5683776413
• The cube root of 21688031232 is 2788.7315496543

Scales and comparisons

• 21,688,031,232 seconds is equal to 689 years, 31 weeks, 5 days, 21 hours, 7 minutes, 12 seconds.
• To count from 1 to 21,688,031,232 would take you about one thousand, three hundred seventy-nine 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 21688031232 cubic inches would be around 232.4 feet tall.

Recreational maths with 21688031232

• 21688031232 backwards is 23213088612
• 21688031232 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21688031232's digits is 36
• More coming soon!