21976393824

Names of 21976393824

• Cardinal: 21976393824 can be written as Twenty-one billion, nine hundred seventy-six million, three hundred ninety-three thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 2.1976393824 × 10¹⁰

Factors of 21976393824

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 911

Divisors of 21976393824

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 32 33 36 42 44 48 54 56 63 66 72 77 81 84 88 96 99 108 112 126 132 144 149 154 162 168 176 189 198 216 224 231 252 264 288 297 298 308 324 336 352 378 396 432 447 462 504 528 567 594 596 616 648 672 693 739 756 792 864 891 894 924 1008 1043 1056 1134 1188 1192 1232 1296 1341 1386 1478 1512 1584 1639 1782 1788 1848 2016 2079 2086 2217 2268 2376 2384 2464 2592 2682 2772 2956 3024 3129 3168 3278 3564 3576 3696 4023 4158 4172 4434 4536 4752 4768 4917 5173 5364 5544 5912 6048 6237 6258 6556 6651 7128 7152 7392 8046 8129 8316 8344 8868 9072 9387 9504 9834 10346 10728 11088 11473 11824 12069 12474 12516 13112 13302 14256 14304 14751 15519 16092 16258 16632 16688 17736 18144 18774 19668 19953 20692 21456 22176 22946 23648 24138 24387 24948 25032 26224 26604 28161 28512 29502 31038 32184 32516 33264 33376 34419 35472 37548 39336 39906 41384 42912 44253 45892 46557 48276 48774 49896 50064 52448 53208 56322 56903 59004 59859 62076 64368 65032 66528 68838 70944 73161 75096 78672 79812 82768 84483 88506 91784 93114 96552 97548 99792 100128 103257 106416 110111 112644 113806 118008 119718 124152 128736 130064 132759 137676 139671 146322 150192 157344 159624 165536 168966 170709 177012 183568 186228 193104 195096 199584 206514 212832 219483 220222 225288 227612 236016 239436 248304 260128 265518 275352 279342 292644 300384 309771 319248 330333 337932 341418 354024 367136 372456 386208 390192 413028 419013 438966 440444 450576 455224 472032 478872 496608 512127 531036 550704 558684 585288 619542 638496 658449 660666 675864 682836 708048 744912 770777 780384 826056 838026 877932 880888 901152 910448 929313 957744 990999 1024254 1062072 1101408 1117368 1170576 1211221 1239084 1316898 1321332 1351728 1365672 1416096 1489824 1536381 1541554 1652112 1676052 1755864 1761776 1820896 1858626 1915488 1981998 2048508 2124144 2234736 2312331 2341152 2422442 2478168 2633796 2642664 2703456 2731344 2972997 3072762 3083108 3304224 3352104 3511728 3523552 3633663 3717252 3963996 4097016 4248288 4469472 4609143 4624662 4844884 4956336 5267592 5285328 5462688 5945994 6145524 6166216 6704208 6936993 7023456 7267326 7434504 7927992 8194032 8478547 8918991 9218286 9249324 9689768 9912672 10535184 10570656 10900989 11891988 12291048 12332432 13408416 13873986 14534652 14869008 15855984 16388064 16957094 17837982 18436572 18498648 19379536 20810979 21070368 21801978 23783976 24582096 24664864 25435641 27747972 29069304 29738016 31711968 32702967 33914188 35675964 36873144 36997296 38759072 41621958 43603956 47567952 49164192 50871282 55495944 58138608 62432937 65405934 67828376 71351928 73746288 73994592 76306923 83243916 87207912 95135904 98108901 101742564 110991888 116277216 124865874 130811868 135656752 142703856 147492576 152613846 166487832 174415824 196217802 203485128 221983776 228920769 249731748 261623736 271313504 285407712 305227692 332975664 348831648 392435604 406970256 457841538 499463496 523247472 610455384 665951328 686762307 784871208 813940512 915683076 998926992 1046494944 1220910768 1373524614 1569742416 1831366152 1997853984 2441821536 2747049228 3139484832 3662732304 5494098456 7325464608 10988196912 21976393824
• Sum of all divisors σ(n): 81230688000
• Sum of proper divisors (its aliquot sum) s(n): 59254294176
• 21976393824 is an abundant number, because the sum of its proper divisors (59254294176) is greater than itself. Its abundance is 37277900352

Bases of 21976393824

• Binary: 10100011101111001010010100001100000₂
• Hexadecimal: 0x51DE52860
• Base-36: A3G6E00

Squares and roots of 21976393824

• 21976393824 squared (21976393824²) is 482961885507545342976
• 21976393824 cubed (21976393824³) is 10613760597895414580777728180224
• The square root of 21976393824 is 148244.3719808613
• The cube root of 21976393824 is 2801.0367684447

Scales and comparisons

• 21,976,393,824 seconds is equal to 698 years, 40 weeks, 4 days, 9 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,976,393,824 would take you about one thousand, three hundred ninety-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 21976393824 cubic inches would be around 233.4 feet tall.

Recreational maths with 21976393824

• 21976393824 backwards is 42839367912
• 21976393824 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21976393824's digits is 54
• More coming soon!