21390838560
21,390,838,560 is an even composite number composed of six prime numbers multiplied together.
21390838560 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21390838560:
25 × 33 × 5 × 7 × 13 × 54413
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 13 × 54413)See below for interesting mathematical facts about the number 21390838560 from the Numbermatics database.
Names of 21390838560
- Cardinal: 21390838560 can be written as Twenty-one billion, three hundred ninety million, eight hundred thirty-eight thousand, five hundred sixty.
Scientific notation
- Scientific notation: 2.139083856 × 1010
Factors of 21390838560
Divisors of 21390838560
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 27 28 30 32 35 36 39 40 42 45 48 52 54 56 60 63 65 70 72 78 80 84 90 91 96 104 105 108 112 117 120 126 130 135 140 144 156 160 168 180 182 189 195 208 210 216 224 234 240 252 260 270 273 280 288 312 315 336 351 360 364 378 390 416 420 432 455 468 480 504 520 540 546 560 585 624 630 672 702 720 728 756 780 819 840 864 910 936 945 1008 1040 1080 1092 1120 1170 1248 1260 1365 1404 1440 1456 1512 1560 1638 1680 1755 1820 1872 1890 2016 2080 2160 2184 2340 2457 2520 2730 2808 2912 3024 3120 3276 3360 3510 3640 3744 3780 4095 4320 4368 4680 4914 5040 5460 5616 6048 6240 6552 7020 7280 7560 8190 8736 9360 9828 10080 10920 11232 12285 13104 14040 14560 15120 16380 18720 19656 21840 24570 26208 28080 30240 32760 39312 43680 49140 54413 56160 65520 78624 98280 108826 131040 163239 196560 217652 272065 326478 380891 393120 435304 489717 544130 652956 707369 761782 816195 870608 979434 1088260 1142673 1305912 1414738 1469151 1523564 1632390 1741216 1904455 1958868 2122107 2176520 2285346 2448585 2611824 2829476 2938302 3047128 3264780 3428019 3536845 3808910 3917736 4244214 4353040 4570692 4897170 4951583 5223648 5658952 5713365 5876604 6094256 6366321 6529560 6856038 7073690 7345755 7617820 7835472 8488428 8706080 9141384 9794340 9903166 10284057 10610535 11317904 11426730 11753208 12188512 12732642 13059120 13712076 14147380 14691510 14854749 15235640 15670944 16976856 17140095 18282768 19098963 19588680 19806332 20568114 21221070 22635808 22853460 23506416 24757915 25465284 26118240 27424152 28294760 29383020 29709498 30471280 31831605 33953712 34280190 36565536 38197926 39177360 39612664 41136228 42442140 44564247 45706920 47012832 49515830 50930568 51420285 54848304 56589520 58766040 59418996 60942560 63663210 67907424 68560380 74273745 76395852 78354720 79225328 82272456 84884280 89128494 91413840 95494815 99031660 101861136 102840570 109696608 113179040 117532080 118837992 127326420 133692741 137120760 148547490 152791704 158450656 164544912 169768560 178256988 182827680 190989630 198063320 203722272 205681140 222821235 235064160 237675984 254652840 267385482 274241520 297094980 305583408 329089824 339537120 356513976 381979260 396126640 411362280 445642470 475351968 509305680 534770964 548483040 594189960 611166816 668463705 713027952 763958520 792253280 822724560 891284940 1018611360 1069541928 1188379920 1336927410 1426055904 1527917040 1645449120 1782569880 2139083856 2376759840 2673854820 3055834080 3565139760 4278167712 5347709640 7130279520 10695419280 21390838560
- Sum of all divisors σ(n): 92146844160
- Sum of proper divisors (its aliquot sum) s(n): 70756005600
- 21390838560 is an abundant number, because the sum of its proper divisors (70756005600) is greater than itself. Its abundance is 49365167040
Bases of 21390838560
- Binary: 100111110101111111001001011001000002
- Hexadecimal: 0x4FAFE4B20
- Base-36: 9TRJWO0
Squares and roots of 21390838560
- 21390838560 squared (213908385602) is 457567974299982873600
- 21390838560 cubed (213908385603) is 9787762668477162659942486016000
-
The
square root of 21390838560 is 146256.0718739567 -
The
cube root of 21390838560 is 2775.9348552233
Scales and comparisons
How big is 21390838560?- 21,390,838,560 seconds is equal to 680 years, 8 weeks, 3 days, 3 hours, 36 minutes.
-
To count from 1 to 21,390,838,560 would take you about one thousand, three hundred sixty 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 21390838560 cubic inches would be around 231.3 feet tall.
Recreational maths with 21390838560
- 21390838560 backwards is 06583809312
- 21390838560 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21390838560's digits is 45
- More coming soon!
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The information we have on file for 21390838560 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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