21640424960
21,640,424,960 is an even composite number composed of six prime numbers multiplied together.
21640424960 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21640424960:
29 × 5 × 7 × 11 × 311 × 353
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 11 × 311 × 353)See below for interesting mathematical facts about the number 21640424960 from the Numbermatics database.
Names of 21640424960
- Cardinal: 21640424960 can be written as Twenty-one billion, six hundred forty million, four hundred twenty-four thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 2.164042496 × 1010
Factors of 21640424960
Divisors of 21640424960
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 55 56 64 70 77 80 88 110 112 128 140 154 160 176 220 224 256 280 308 311 320 352 353 385 440 448 512 560 616 622 640 704 706 770 880 896 1120 1232 1244 1280 1408 1412 1540 1555 1760 1765 1792 2177 2240 2464 2471 2488 2560 2816 2824 3080 3110 3421 3520 3530 3584 3883 4354 4480 4928 4942 4976 5632 5648 6160 6220 6842 7040 7060 7766 8708 8960 9856 9884 9952 10885 11296 12320 12355 12440 13684 14080 14120 15532 17105 17416 17920 19415 19712 19768 19904 21770 22592 23947 24640 24710 24880 27181 27368 28160 28240 31064 34210 34832 38830 39424 39536 39808 43540 45184 47894 49280 49420 49760 54362 54736 56480 62128 68420 69664 77660 79072 79616 87080 90368 95788 98560 98840 99520 108724 109472 109783 112960 119735 124256 135905 136840 139328 155320 158144 159232 174160 180736 191576 197120 197680 199040 217448 218944 219566 225920 239470 248512 271810 273680 278656 310640 316288 348320 383152 395360 398080 434896 437888 439132 451840 478940 497024 543620 547360 548915 557312 621280 632576 696640 766304 768481 790720 796160 869792 875776 878264 903680 957880 994048 1087240 1094720 1097830 1114624 1207613 1242560 1265152 1393280 1532608 1536962 1581440 1739584 1751552 1756528 1915760 1988096 2174480 2189440 2195660 2415226 2485120 2786560 3065216 3073924 3162880 3479168 3513056 3831520 3842405 4348960 4378880 4391320 4830452 4970240 5573120 6038065 6130432 6147848 6325760 6958336 7026112 7663040 7684810 8453291 8697920 8757760 8782640 9660904 9940480 12076130 12260864 12295696 13916672 14052224 15326080 15369620 16906582 17395840 17565280 19321808 24152260 24591392 28104448 30652160 30739240 33813164 34791680 35130560 38643616 42266455 48304520 49182784 56208896 61304320 61478480 67626328 69583360 70261120 77287232 84532910 96609040 98365568 122956960 135252656 140522240 154574464 169065820 193218080 196731136 245913920 270505312 281044480 309148928 338131640 386436160 393462272 491827840 541010624 618297856 676263280 772872320 983655680 1082021248 1352526560 1545744640 1967311360 2164042496 2705053120 3091489280 4328084992 5410106240 10820212480 21640424960
- Sum of all divisors σ(n): 65081263104
- Sum of proper divisors (its aliquot sum) s(n): 43440838144
- 21640424960 is an abundant number, because the sum of its proper divisors (43440838144) is greater than itself. Its abundance is 21800413184
Bases of 21640424960
- Binary: 101000010011101111010101110000000002
- Hexadecimal: 0x509DEAE00
- Base-36: 9XW5ERK
Squares and roots of 21640424960
- 21640424960 squared (216404249602) is 468307992449391001600
- 21640424960 cubed (216404249603) is 10134383968769292567824039936000
-
The
square root of 21640424960 is 147106.8487868597 -
The
cube root of 21640424960 is 2786.6895882163
Scales and comparisons
How big is 21640424960?- 21,640,424,960 seconds is equal to 688 years, 5 weeks, 21 hours, 9 minutes, 20 seconds.
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To count from 1 to 21,640,424,960 would take you about one thousand, three hundred seventy-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 21640424960 cubic inches would be around 232.2 feet tall.
Recreational maths with 21640424960
- 21640424960 backwards is 06942404612
- The number of decimal digits it has is: 11
- The sum of 21640424960's digits is 38
- More coming soon!
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