21221105472
21,221,105,472 is an even composite number composed of six prime numbers multiplied together.
21221105472 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 21221105472:
26 × 32 × 7 × 19 × 439 × 631
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 19 × 439 × 631)See below for interesting mathematical facts about the number 21221105472 from the Numbermatics database.
Names of 21221105472
- Cardinal: 21221105472 can be written as Twenty-one billion, two hundred twenty-one million, one hundred five thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 2.1221105472 × 1010
Factors of 21221105472
Divisors of 21221105472
- Number of divisors d(n): 336
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 28 32 36 38 42 48 56 57 63 64 72 76 84 96 112 114 126 133 144 152 168 171 192 224 228 252 266 288 304 336 342 399 439 448 456 504 532 576 608 631 672 684 798 878 912 1008 1064 1197 1216 1262 1317 1344 1368 1596 1756 1824 1893 2016 2128 2394 2524 2634 2736 3073 3192 3512 3648 3786 3951 4032 4256 4417 4788 5048 5268 5472 5679 6146 6384 7024 7572 7902 8341 8512 8834 9219 9576 10096 10536 10944 11358 11989 12292 12768 13251 14048 15144 15804 16682 17668 18438 19152 20192 21072 22716 23978 24584 25023 25536 26502 27657 28096 30288 31608 33364 35336 35967 36876 38304 39753 40384 42144 45432 47956 49168 50046 53004 55314 58387 60576 63216 66728 70672 71934 73752 75069 76608 79506 83923 84288 90864 95912 98336 100092 106008 107901 110628 116774 121152 126432 133456 141344 143868 147504 150138 159012 167846 175161 181728 191824 196672 200184 212016 215802 221256 233548 251769 252864 266912 277009 282688 287736 295008 300276 318024 335692 350322 363456 383648 400368 424032 431604 442512 467096 503538 525483 533824 554018 575472 590016 600552 636048 671384 700644 755307 767296 800736 831027 848064 863208 885024 934192 1007076 1050966 1108036 1150944 1201104 1272096 1342768 1401288 1510614 1601472 1662054 1726416 1770048 1868384 1939063 2014152 2101932 2216072 2301888 2402208 2493081 2544192 2685536 2802576 3021228 3324108 3452832 3736768 3878126 4028304 4203864 4432144 4804416 4986162 5263171 5371072 5605152 5817189 6042456 6648216 6905664 7756252 8056608 8407728 8864288 9972324 10526342 11210304 11634378 12084912 13296432 15512504 15789513 16113216 16815456 17451567 17728576 19944648 21052684 23268756 24169824 26592864 31025008 31579026 33630912 34903134 36842197 39889296 42105368 46537512 47368539 48339648 53185728 62050016 63158052 69806268 73684394 79778592 84210736 93075024 94737078 110526591 124100032 126316104 139612536 147368788 159557184 168421472 186150048 189474156 221053182 252632208 279225072 294737576 331579773 336842944 372300096 378948312 442106364 505264416 558450144 589475152 663159546 757896624 884212728 1010528832 1116900288 1178950304 1326319092 1515793248 1768425456 2357900608 2652638184 3031586496 3536850912 5305276368 7073701824 10610552736 21221105472
- Sum of all divisors σ(n): 73457612800
- Sum of proper divisors (its aliquot sum) s(n): 52236507328
- 21221105472 is an abundant number, because the sum of its proper divisors (52236507328) is greater than itself. Its abundance is 31015401856
Bases of 21221105472
- Binary: 100111100001110000001011111010000002
- Hexadecimal: 0x4F0E05F40
- Base-36: 9QYHXS0
Squares and roots of 21221105472
- 21221105472 squared (212211054722) is 450335317453748342784
- 21221105472 cubed (212211054723) is 9556613269452596063964474114048
-
The
square root of 21221105472 is 145674.6562446605 -
The
cube root of 21221105472 is 2768.5731408093
Scales and comparisons
How big is 21221105472?- 21,221,105,472 seconds is equal to 674 years, 39 weeks, 5 days, 15 hours, 31 minutes, 12 seconds.
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To count from 1 to 21,221,105,472 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 21221105472 cubic inches would be around 230.7 feet tall.
Recreational maths with 21221105472
- 21221105472 backwards is 27450112212
- The number of decimal digits it has is: 11
- The sum of 21221105472's digits is 27
- More coming soon!
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