21025621080
21,025,621,080 is an even composite number composed of seven prime numbers multiplied together.
21025621080 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21025621080:
23 × 32 × 5 × 17 × 47 × 67 × 1091
(2 × 2 × 2 × 3 × 3 × 5 × 17 × 47 × 67 × 1091)See below for interesting mathematical facts about the number 21025621080 from the Numbermatics database.
Names of 21025621080
- Cardinal: 21025621080 can be written as Twenty-one billion, twenty-five million, six hundred twenty-one thousand and eighty.
Scientific notation
- Scientific notation: 2.102562108 × 1010
Factors of 21025621080
Divisors of 21025621080
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 17 18 20 24 30 34 36 40 45 47 51 60 67 68 72 85 90 94 102 120 134 136 141 153 170 180 188 201 204 235 255 268 282 306 335 340 360 376 402 408 423 470 510 536 564 603 612 670 680 705 765 799 804 846 940 1005 1020 1091 1128 1139 1206 1224 1340 1410 1530 1598 1608 1692 1880 2010 2040 2115 2182 2278 2397 2412 2680 2820 3015 3060 3149 3196 3273 3384 3417 3995 4020 4230 4364 4556 4794 4824 5455 5640 5695 6030 6120 6298 6392 6546 6834 7191 7990 8040 8460 8728 9112 9447 9588 9819 10251 10910 11390 11985 12060 12596 13092 13668 14382 15745 15980 16365 16920 17085 18547 18894 19176 19638 20502 21820 22780 23970 24120 25192 26184 27336 28341 28764 31490 31960 32730 34170 35955 37094 37788 39276 41004 43640 45560 47235 47940 49095 51255 51277 53533 55641 56682 57528 62980 65460 68340 71910 73097 74188 75576 78552 82008 92735 94470 95880 98190 102510 102554 107066 111282 113364 125960 130920 136680 141705 143820 146194 148376 153831 160599 166923 185470 188940 196380 205020 205108 214132 219291 222564 226728 256385 267665 278205 283410 287640 292388 307662 321198 333846 365485 370940 377880 392760 410040 410216 428264 438582 445128 461493 481797 512770 535330 556410 566820 584776 615324 642396 657873 667692 730970 741880 769155 802995 834615 871709 877164 922986 963594 1025540 1070660 1096455 1112820 1133640 1230648 1242649 1284792 1315746 1335384 1461940 1538310 1605990 1669230 1743418 1754328 1845972 1927188 2051080 2141320 2192910 2225640 2307465 2408985 2485298 2615127 2631492 2923880 3076620 3211980 3289365 3338460 3435559 3486836 3691944 3727947 3854376 4358545 4385820 4614930 4817970 4970596 5230254 5262984 6153240 6213245 6423960 6578730 6676920 6871118 6973672 7455894 7845381 8717090 8771640 9229860 9635940 9941192 10306677 10460508 11183841 12426490 13075635 13157460 13742236 14911788 15690762 17177795 17434180 18459720 18639735 19271880 20613354 20921016 22367682 24852980 26151270 26314920 27484472 29823576 30920031 31381524 34355590 34868360 37279470 39226905 41226708 44735364 49705960 51533385 52302540 55919205 58404503 61840062 62763048 68711180 74558940 78453810 82453416 89470728 103066770 104605080 111838410 116809006 123680124 137422360 149117880 154600155 156907620 175213509 206133540 223676820 233618012 247360248 292022515 309200310 313815240 350427018 412267080 447353640 467236024 525640527 584045030 618400620 700854036 876067545 1051281054 1168090060 1236801240 1401708072 1752135090 2102562108 2336180120 2628202635 3504270180 4205124216 5256405270 7008540360 10512810540 21025621080
- Sum of all divisors σ(n): 75063905280
- Sum of proper divisors (its aliquot sum) s(n): 54038284200
- 21025621080 is an abundant number, because the sum of its proper divisors (54038284200) is greater than itself. Its abundance is 33012663120
Bases of 21025621080
- Binary: 100111001010011100110000100010110002
- Hexadecimal: 0x4E5398458
- Base-36: 9NQ4120
Squares and roots of 21025621080
- 21025621080 squared (210256210802) is 442076741799740366400
- 21025621080 cubed (210256210803) is 9294938061362338186306763712000
-
The
square root of 21025621080 is 145002.1416393565 -
The
cube root of 21025621080 is 2760.0457301813
Scales and comparisons
How big is 21025621080?- 21,025,621,080 seconds is equal to 668 years, 28 weeks, 4 days, 2 hours, 18 minutes.
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To count from 1 to 21,025,621,080 would take you about one thousand, three hundred thirty-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 21025621080 cubic inches would be around 230 feet tall.
Recreational maths with 21025621080
- 21025621080 backwards is 08012652012
- The number of decimal digits it has is: 11
- The sum of 21025621080's digits is 27
- More coming soon!
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