21332433408

Names of 21332433408

• Cardinal: 21332433408 can be written as Twenty-one billion, three hundred thirty-two million, four hundred thirty-three thousand, four hundred eight.

Scientific notation

• Scientific notation: 2.1332433408 × 10¹⁰

Factors of 21332433408

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 272

Divisors of 21332433408

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 16 17 22 24 26 29 32 33 34 39 44 48 51 52 58 64 66 68 78 87 88 96 102 104 116 128 132 136 143 156 174 176 187 192 197 204 208 221 232 256 264 272 286 312 319 348 352 374 377 384 394 408 416 429 442 464 493 512 528 544 561 572 591 624 638 663 696 704 748 754 768 788 816 832 858 884 928 957 986 1056 1088 1122 1131 1144 1182 1248 1276 1326 1392 1408 1479 1496 1508 1536 1576 1632 1664 1716 1768 1856 1914 1972 2112 2167 2176 2244 2262 2288 2364 2431 2496 2552 2561 2652 2784 2816 2958 2992 3016 3152 3264 3328 3349 3432 3536 3712 3828 3944 4147 4224 4334 4352 4488 4524 4576 4728 4862 4992 5104 5122 5304 5423 5568 5632 5713 5916 5984 6032 6304 6409 6501 6528 6656 6698 6864 7072 7293 7424 7656 7683 7888 8294 8448 8668 8704 8976 9048 9152 9456 9724 9984 10047 10208 10244 10608 10846 11136 11426 11832 11968 12064 12441 12608 12818 13002 13056 13396 13728 14144 14586 14848 15312 15366 15776 16269 16588 16896 17139 17336 17952 18096 18304 18912 19227 19448 19968 20094 20416 20488 21216 21692 22272 22852 23664 23936 24128 24882 25216 25636 26004 26112 26792 27456 28171 28288 29172 30624 30732 31552 32538 33176 34278 34672 35904 36192 36608 36839 37824 38454 38896 40188 40832 40976 42432 43384 43537 44544 45704 47328 47872 48256 49764 50432 51272 52008 53584 54912 56342 56576 58344 61248 61464 62843 63104 65076 66352 68556 69344 70499 71808 72384 73216 73678 74269 75648 76908 77792 80376 81664 81952 84513 84864 86768 87074 91408 94656 95744 96512 97121 99528 100864 102544 104016 107168 109824 110517 112684 113152 116688 122496 122928 125686 126208 130152 130611 132704 137112 138688 140998 143616 144768 147356 148538 151296 153816 155584 160752 163328 163904 169026 169728 173536 174148 182816 188529 189312 193024 194242 199056 205088 208032 211497 214336 219648 221034 222807 225368 233376 244992 245856 251372 252416 260304 261222 265408 274224 277376 281996 287232 289536 291363 294712 297076 302592 307632 311168 321504 327808 338052 339456 347072 348296 365632 377058 378624 388484 398112 410176 416064 422994 428672 442068 445614 450736 466752 478907 489984 491712 502744 520608 522444 530816 548448 554752 563992 579072 582726 589424 594152 615264 622336 643008 655616 676104 694144 696592 731264 754116 757248 776968 796224 816959 820352 832128 845988 857344 884136 891228 901472 933504 957814 983424 1005488 1041216 1044888 1061632 1068331 1096896 1109504 1127984 1165452 1178848 1188304 1230528 1244672 1262573 1286016 1311232 1352208 1388288 1393184 1436721 1462528 1508232 1553936 1592448 1633918 1640704 1664256 1691976 1714688 1768272 1782456 1802944 1867008 1915628 1966848 2010976 2082432 2089776 2123264 2136662 2193792 2255968 2330904 2357696 2376608 2450877 2461056 2525146 2572032 2704416 2776576 2786368 2873442 2925056 3016464 3107872 3184896 3204993 3267836 3281408 3328512 3383952 3536544 3564912 3605888 3734016 3787719 3831256 3933696 4021952 4164864 4179552 4273324 4387584 4511936 4661808 4715392 4753216 4901754 4922112 5050292 5144064 5408832 5572736 5746884 6032928 6215744 6369792 6409986 6535672 6767904 7073088 7129824 7211776 7575438 7662512 8043904 8329728 8359104 8546648 8775168 9023872 9323616 9430784 9506432 9803508 9844224 10100584 10817664 11145472 11493768 12065856 12431488 12819972 13071344 13535808 13888303 14146176 14259648 14423552 15150876 15325024 16087808 16718208 17093296 18047744 18647232 18861568 19012864 19607016 20201168 21635328 22290944 22987536 24131712 24862976 25639944 26142688 27071616 27776606 28292352 28519296 30301752 30650048 32175616 33436416 34186592 36095488 37294464 38025728 39214032 40402336 41664909 43270656 45975072 48263424 49725952 51279888 52285376 54143232 55553212 56584704 57038592 60603504 61300096 66872832 68373184 74588928 78428064 80804672 83329818 91950144 96526848 102559776 104570752 108286464 111106424 114077184 121207008 122600192 136746368 149177856 156856128 161609344 166659636 183900288 205119552 209141504 222212848 242414016 245200384 273492736 313712256 323218688 333319272 367800576 410239104 418283008 444425696 484828032 546985472 627424512 646437376 666638544 735601152 820478208 888851392 969656064 1254849024 1333277088 1640956416 1777702784 1939312128 2666554176 3555405568 5333108352 7110811136 10666216704 21332433408
• Sum of all divisors σ(n): 73502795520
• Sum of proper divisors (its aliquot sum) s(n): 52170362112
• 21332433408 is an abundant number, because the sum of its proper divisors (52170362112) is greater than itself. Its abundance is 30837928704

Bases of 21332433408

• Binary: 10011110111100000110001101000000000₂
• Hexadecimal: 0x4F7831A00
• Base-36: 9SSS2YO

Squares and roots of 21332433408

• 21332433408 squared (21332433408²) is 455072715106754494464
• 21332433408 cubed (21332433408³) is 9707808390812595864157984653312
• The square root of 21332433408 is 146056.2679517727
• The cube root of 21332433408 is 2773.4060985181

Scales and comparisons

• 21,332,433,408 seconds is equal to 678 years, 15 weeks, 6 days, 3 hours, 56 minutes, 48 seconds.
• To count from 1 to 21,332,433,408 would take you about one thousand, three hundred fifty-six 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 21332433408 cubic inches would be around 231.1 feet tall.

Recreational maths with 21332433408

• 21332433408 backwards is 80433423312
• 21332433408 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21332433408's digits is 33
• More coming soon!