21310814720
21,310,814,720 is an even composite number composed of six prime numbers multiplied together.
21310814720 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 21310814720:
29 × 5 × 13 × 29 × 71 × 311
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 29 × 71 × 311)See below for interesting mathematical facts about the number 21310814720 from the Numbermatics database.
Names of 21310814720
- Cardinal: 21310814720 can be written as Twenty-one billion, three hundred ten million, eight hundred fourteen thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.131081472 × 1010
Factors of 21310814720
Divisors of 21310814720
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 29 32 40 52 58 64 65 71 80 104 116 128 130 142 145 160 208 232 256 260 284 290 311 320 355 377 416 464 512 520 568 580 622 640 710 754 832 923 928 1040 1136 1160 1244 1280 1420 1508 1555 1664 1846 1856 1885 2059 2080 2272 2320 2488 2560 2840 3016 3110 3328 3692 3712 3770 4043 4118 4160 4544 4615 4640 4976 5680 6032 6220 6656 7384 7424 7540 8086 8236 8320 9019 9088 9230 9280 9952 10295 11360 12064 12440 14768 14848 15080 16172 16472 16640 18038 18176 18460 18560 19904 20215 20590 22081 22720 24128 24880 26767 29536 30160 32344 32944 33280 36076 36352 36920 37120 39808 40430 41180 44162 45095 45440 48256 49760 53534 59072 60320 64688 65888 72152 73840 74240 79616 80860 82360 88324 90190 90880 96512 99520 107068 110405 117247 118144 120640 129376 131776 133835 144304 147680 159232 161720 164720 176648 180380 181760 193024 199040 214136 220810 234494 236288 241280 258752 263552 267670 287053 288608 295360 323440 329440 353296 360760 398080 428272 441620 468988 472576 482560 517504 527104 535340 574106 577216 586235 590720 640349 646880 658880 706592 721520 796160 856544 883240 937976 965120 1035008 1054208 1070680 1148212 1154432 1172470 1181440 1280698 1293760 1317760 1413184 1435265 1443040 1713088 1766480 1875952 2070016 2141360 2296424 2308864 2344940 2362880 2561396 2587520 2635520 2826368 2870530 2886080 3201745 3426176 3532960 3751904 4282720 4592848 4617728 4689880 5122792 5175040 5271040 5652736 5741060 5772160 6403490 6852352 7065920 7503808 8324537 8565440 9185696 9379760 10245584 10350080 11305472 11482120 11544320 12806980 13704704 14131840 15007616 16649074 17130880 18371392 18759520 20491168 22964240 23088640 25613960 28263680 30015232 33298148 34261760 36742784 37519040 40982336 41622685 45928480 51227920 56527360 60030464 66596296 68523520 73485568 75038080 81964672 83245370 91856960 102455840 133192592 146971136 150076160 163929344 166490740 183713920 204911680 266385184 300152320 327858688 332981480 367427840 409823360 532770368 665962960 734855680 819646720 1065540736 1331925920 1639293440 2131081472 2663851840 4262162944 5327703680 10655407360 21310814720
- Sum of all divisors σ(n): 57911293440
- Sum of proper divisors (its aliquot sum) s(n): 36600478720
- 21310814720 is an abundant number, because the sum of its proper divisors (36600478720) is greater than itself. Its abundance is 15289664000
Bases of 21310814720
- Binary: 100111101100011100100111010000000002
- Hexadecimal: 0x4F6393A00
- Base-36: 9SFWPVK
Squares and roots of 21310814720
- 21310814720 squared (213108147202) is 454150824030168678400
- 21310814720 cubed (213108147203) is 9678324065842248395729666048000
-
The
square root of 21310814720 is 145982.2411117187 -
The
cube root of 21310814720 is 2772.4689079441
Scales and comparisons
How big is 21310814720?- 21,310,814,720 seconds is equal to 677 years, 32 weeks, 22 hours, 45 minutes, 20 seconds.
-
To count from 1 to 21,310,814,720 would take you about one thousand, three hundred fifty-five 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 21310814720 cubic inches would be around 231 feet tall.
Recreational maths with 21310814720
- 21310814720 backwards is 02741801312
- 21310814720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21310814720's digits is 29
- More coming soon!
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