21489791232

Names of 21489791232

• Cardinal: 21489791232 can be written as Twenty-one billion, four hundred eighty-nine million, seven hundred ninety-one thousand, two hundred thirty-two.

Scientific notation

• Scientific notation: 2.1489791232 × 10¹⁰

Factors of 21489791232

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 165

Divisors of 21489791232

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 31 32 39 42 48 49 52 56 62 64 78 84 91 93 96 98 104 109 112 124 128 147 156 168 169 182 186 192 196 208 217 218 224 248 256 273 294 312 327 336 338 364 372 384 392 403 416 434 436 448 496 507 546 588 624 637 651 654 672 676 728 744 763 768 784 806 832 868 872 896 992 1014 1092 1176 1183 1209 1248 1274 1302 1308 1344 1352 1417 1456 1488 1519 1526 1568 1612 1664 1736 1744 1792 1911 1984 2028 2184 2289 2352 2366 2418 2496 2548 2604 2616 2688 2704 2821 2834 2912 2976 3038 3052 3136 3224 3328 3379 3472 3488 3549 3822 3968 4056 4251 4368 4557 4578 4704 4732 4836 4992 5096 5208 5232 5239 5341 5376 5408 5642 5668 5824 5952 6076 6104 6272 6448 6758 6944 6976 7098 7644 7936 8112 8281 8463 8502 8736 9114 9156 9408 9464 9672 9919 9984 10137 10192 10416 10464 10478 10682 10816 11284 11336 11648 11904 12152 12208 12544 12896 13516 13888 13952 14196 15288 15717 16023 16224 16562 16926 17004 17472 18228 18312 18421 18816 18928 19344 19747 19838 20274 20384 20832 20928 20956 21364 21632 22568 22672 23296 23653 23808 24304 24416 24843 25792 27032 27776 27904 28392 29757 30576 31434 32046 32448 33124 33852 34008 34944 36456 36624 36673 36842 37632 37856 38688 39494 39676 40548 40768 41664 41856 41912 42728 43264 43927 45136 45344 47306 48608 48832 49686 51584 54064 55263 55552 56784 59241 59514 61152 62868 64092 64896 66248 67704 68016 69433 69888 70959 72912 73248 73346 73684 75712 77376 78988 79352 81096 81536 83328 83712 83824 85456 87854 90272 90688 94612 97216 97664 99372 103168 108128 110019 110526 113568 118482 119028 122304 125736 128184 128947 129792 131781 132496 135408 136032 138866 141918 145824 146496 146692 147368 151424 154752 157976 158704 162192 163072 165571 166656 167648 170912 175708 180544 181376 189224 194432 195328 198744 208299 216256 220038 221052 227136 236964 238056 244608 251472 256368 256711 257894 263562 264992 270816 272064 277732 283836 291648 292992 293384 294736 302848 307489 309504 315952 317408 324384 331142 335296 341824 351416 361088 362752 378448 386841 388864 397488 416598 432512 440076 442104 454272 473928 476112 489216 496713 502944 512736 513422 515788 527124 529984 541632 544128 555464 567672 571051 583296 585984 586768 589472 614978 631904 634816 648768 662284 670592 683648 702832 722176 756896 770133 773682 794976 833196 865024 880152 884208 902629 908544 922467 947856 952224 993426 1005888 1025472 1026844 1031576 1054248 1059968 1083264 1088256 1110928 1135344 1142102 1166592 1173536 1178944 1229956 1263808 1269632 1297536 1324568 1341184 1367296 1405664 1513792 1540266 1547364 1589952 1666392 1713153 1760304 1768416 1805258 1844934 1895712 1904448 1986852 2011776 2050944 2053688 2063152 2108496 2119936 2152423 2166528 2221856 2270688 2284204 2347072 2357888 2459912 2527616 2539264 2595072 2649136 2707887 2811328 3027584 3080532 3094728 3179904 3332784 3426306 3520608 3536832 3610516 3689868 3791424 3808896 3973704 3997357 4023552 4101888 4107376 4126304 4216992 4304846 4443712 4541376 4568408 4694144 4715776 4919824 5055232 5298272 5415774 5622656 6055168 6161064 6189456 6359808 6457269 6665568 6852612 7041216 7073664 7221032 7379736 7582848 7617792 7947408 7994714 8214752 8252608 8433984 8609692 8887424 9082752 9136816 9388288 9839648 10596544 10831548 11245312 11992071 12322128 12378912 12914538 13331136 13705224 14082432 14147328 14442064 14759472 15165696 15894816 15989428 16429504 16505216 16867968 17219384 17774848 18165504 18273632 19679296 21193088 21663096 23984142 24644256 24757824 25829076 26662272 27410448 27981499 28164864 28884128 29518944 31789632 31978856 32859008 33010432 33735936 34438768 36547264 39358592 42386176 43326192 47968284 49288512 49515648 51658152 53324544 54820896 55962998 57768256 59037888 63579264 63957712 65718016 68877536 73094528 78717184 83944497 86652384 95936568 98577024 99031296 103316304 109641792 111925996 115536512 118075776 127158528 127915424 137755072 146189056 167888994 173304768 191873136 197154048 206632608 219283584 223851992 231073024 236151552 255830848 275510144 335777988 346609536 383746272 413265216 438567168 447703984 511661696 551020288 671555976 693219072 767492544 826530432 895407968 1023323392 1343111952 1534985088 1653060864 1790815936 2686223904 3069970176 3581631872 5372447808 7163263744 10744895616 21489791232
• Sum of all divisors σ(n): 75049793280
• Sum of proper divisors (its aliquot sum) s(n): 53560002048
• 21489791232 is an abundant number, because the sum of its proper divisors (53560002048) is greater than itself. Its abundance is 32070210816

Bases of 21489791232

• Binary: 10100000000111001000011000100000000₂
• Hexadecimal: 0x500E43100
• Base-36: 9VEGT1C

Squares and roots of 21489791232

• 21489791232 squared (21489791232²) is 461811127194944077824
• 21489791232 cubed (21489791232³) is 9924224712033945998352520839168
• The square root of 21489791232 is 146593.9672428575
• The cube root of 21489791232 is 2780.2087050669

Scales and comparisons

• 21,489,791,232 seconds is equal to 683 years, 16 weeks, 10 hours, 27 minutes, 12 seconds.
• To count from 1 to 21,489,791,232 would take you about one thousand, three hundred sixty-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 21489791232 cubic inches would be around 231.7 feet tall.

Recreational maths with 21489791232

• 21489791232 backwards is 23219798412
• 21489791232 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21489791232's digits is 48
• More coming soon!