21217329432

Names of 21217329432

• Cardinal: 21217329432 can be written as Twenty-one billion, two hundred seventeen million, three hundred twenty-nine thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 2.1217329432 × 10¹⁰

Factors of 21217329432

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 761

Divisors of 21217329432

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 23 24 26 27 36 37 39 46 52 54 69 72 74 78 92 104 108 111 117 138 148 156 169 184 207 216 222 234 276 296 299 312 333 338 351 414 444 468 481 507 552 598 621 666 676 683 702 828 851 888 897 936 962 999 1014 1196 1242 1332 1352 1366 1404 1443 1521 1656 1702 1794 1924 1998 2028 2049 2392 2484 2553 2664 2691 2732 2808 2886 3042 3404 3588 3848 3887 3996 4056 4098 4329 4563 4968 5106 5382 5464 5772 6084 6147 6253 6808 7176 7659 7774 7992 8073 8196 8658 8879 9126 10212 10764 11063 11544 11661 12168 12294 12506 12987 15318 15548 15709 16146 16392 17316 17758 18252 18441 18759 20424 21528 22126 22977 23322 24588 25012 25271 25974 26637 30636 31096 31418 32292 33189 34632 34983 35516 36504 36882 37518 44252 45954 46644 47127 49176 50024 50542 51948 53274 56277 61272 62836 64584 66378 69966 71032 73764 75036 75813 79911 88504 91908 93288 94254 99567 101084 103896 104949 106548 112554 115427 125672 132756 139932 141381 143819 147528 150072 151626 159822 168831 183816 188508 199134 202168 204217 209898 213096 225108 227439 230854 239733 265512 279864 282762 287638 298701 303252 319644 328523 337662 346281 377016 398268 408434 419796 424143 431457 450216 454878 461708 479466 565524 575276 581233 597402 606504 612651 639288 657046 675324 682317 692562 796536 816868 839592 848286 862914 909756 923416 958932 985569 1038843 1131048 1150552 1162466 1194804 1225302 1294371 1314092 1350648 1364634 1385124 1633736 1696572 1725828 1743699 1819512 1837953 1917864 1971138 2077686 2324932 2389608 2450604 2588742 2628184 2654821 2729268 2770248 2956707 3116529 3393144 3451656 3487398 3675906 3883113 3942276 4155372 4270799 4649864 4901208 5177484 5231097 5309642 5458536 5513859 5913414 6233058 6974796 7351812 7556029 7766226 7884552 7964463 8310744 8541598 8870121 10354968 10462194 10619284 11027718 11826828 12466116 12812397 13949592 14703624 15112058 15532452 15693291 15928926 17083196 17740242 20924388 21238568 22055436 22668087 23653656 23893389 24932232 25624794 30224116 31064904 31386582 31857852 34166392 35480484 38437191 41848776 44110872 45336174 47786778 51249588 60448232 62773164 63715704 68004261 70960968 71680167 76874382 90672348 95573556 98228377 102499176 115311573 125546328 136008522 143360334 153748764 181344696 191147112 196456754 204012783 230623146 272017044 286720668 294685131 307497528 392913508 408025566 461246292 544034088 573441336 589370262 785827016 816051132 884055393 922492584 1178740524 1632102264 1768110786 2357481048 2652166179 3536221572 5304332358 7072443144 10608664716 21217329432
• Sum of all divisors σ(n): 68494118400
• Sum of proper divisors (its aliquot sum) s(n): 47276788968
• 21217329432 is an abundant number, because the sum of its proper divisors (47276788968) is greater than itself. Its abundance is 26059459536

Bases of 21217329432

• Binary: 10011110000101001101100000100011000₂
• Hexadecimal: 0x4F0A6C118
• Base-36: 9QW9060

Squares and roots of 21217329432

• 21217329432 squared (21217329432²) is 450175068226013442624
• 21217329432 cubed (21217329432³) is 9551512724624403044213838509568
• The square root of 21217329432 is 145661.6951432325
• The cube root of 21217329432 is 2768.4089196591

Scales and comparisons

• 21,217,329,432 seconds is equal to 674 years, 33 weeks, 3 days, 22 hours, 37 minutes, 12 seconds.
• To count from 1 to 21,217,329,432 would take you about one thousand, three hundred forty-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 21217329432 cubic inches would be around 230.7 feet tall.

Recreational maths with 21217329432

• 21217329432 backwards is 23492371212
• 21217329432 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21217329432's digits is 36
• More coming soon!