20731768320
20,731,768,320 is an even composite number composed of five prime numbers multiplied together.
20731768320 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 20731768320:
29 × 3 × 5 × 312 × 532
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 31 × 31 × 53 × 53)See below for interesting mathematical facts about the number 20731768320 from the Numbermatics database.
Names of 20731768320
- Cardinal: 20731768320 can be written as Twenty billion, seven hundred thirty-one million, seven hundred sixty-eight thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.073176832 × 1010
Factors of 20731768320
Divisors of 20731768320
- Number of divisors d(n): 360
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 53 60 62 64 80 93 96 106 120 124 128 155 159 160 186 192 212 240 248 256 265 310 318 320 372 384 424 465 480 496 512 530 620 636 640 744 768 795 848 930 960 961 992 1060 1240 1272 1280 1488 1536 1590 1643 1696 1860 1920 1922 1984 2120 2480 2544 2560 2809 2883 2976 3180 3286 3392 3720 3840 3844 3968 4240 4805 4929 4960 5088 5618 5766 5952 6360 6572 6784 7440 7680 7688 7936 8215 8427 8480 9610 9858 9920 10176 11236 11532 11904 12720 13144 13568 14045 14415 14880 15376 15872 16430 16854 16960 19220 19716 19840 20352 22472 23064 23808 24645 25440 26288 27136 28090 28830 29760 30752 32860 33708 33920 38440 39432 39680 40704 42135 44944 46128 47616 49290 50880 50933 52576 56180 57660 59520 61504 65720 67416 67840 76880 78864 79360 81408 84270 87079 89888 92256 98580 101760 101866 105152 112360 115320 119040 123008 131440 134832 135680 152799 153760 157728 168540 174158 179776 184512 197160 203520 203732 210304 224720 230640 238080 246016 254665 261237 262880 269664 305598 307520 315456 337080 348316 359552 369024 394320 407040 407464 420608 435395 449440 461280 492032 509330 522474 525760 539328 611196 615040 630912 674160 696632 719104 738048 763995 788640 814928 841216 870790 898880 922560 1018660 1044948 1051520 1078656 1222392 1230080 1261824 1306185 1348320 1393264 1438208 1476096 1527990 1577280 1629856 1741580 1797760 1845120 2037320 2089896 2103040 2157312 2444784 2460160 2523648 2612370 2696640 2699449 2786528 3055980 3154560 3259712 3483160 3595520 3690240 4074640 4179792 4206080 4314624 4889568 5224740 5393280 5398898 5573056 6111960 6309120 6519424 6966320 7191040 7380480 8098347 8149280 8359584 9779136 10449480 10786560 10797796 11146112 12223920 12618240 13038848 13497245 13932640 16196694 16298560 16719168 19558272 20898960 21573120 21595592 22292224 24447840 26077696 26994490 27865280 32393388 32597120 33438336 39116544 40491735 41797920 43191184 44584448 48895680 53988980 55730560 64786776 65194240 66876672 78233088 80983470 83595840 86382368 97791360 107977960 111461120 129573552 130388480 133753344 161966940 167191680 172764736 195582720 215955920 222922240 259147104 323933880 334383360 345529472 391165440 431911840 518294208 647867760 668766720 691058944 863823680 1036588416 1295735520 1382117888 1727647360 2073176832 2591471040 3455294720 4146353664 5182942080 6910589440 10365884160 20731768320
- Sum of all divisors σ(n): 69800329368
- Sum of proper divisors (its aliquot sum) s(n): 49068561048
- 20731768320 is an abundant number, because the sum of its proper divisors (49068561048) is greater than itself. Its abundance is 28336792728
Bases of 20731768320
- Binary: 100110100111011010110101110000000002
- Hexadecimal: 0x4D3B5AE00
- Base-36: 9IV5QTC
Squares and roots of 20731768320
- 20731768320 squared (207317683202) is 429806217674155622400
- 20731768320 cubed (207317683203) is 8910642927316083615222202368000
-
The
square root of 20731768320 is 143985.3059169581 -
The
cube root of 20731768320 is 2747.1272842145
Scales and comparisons
How big is 20731768320?- 20,731,768,320 seconds is equal to 659 years, 10 weeks, 5 days, 32 minutes.
-
To count from 1 to 20,731,768,320 would take you about one thousand, three hundred eighteen 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 20731768320 cubic inches would be around 228.9 feet tall.
Recreational maths with 20731768320
- 20731768320 backwards is 02386713702
- The number of decimal digits it has is: 11
- The sum of 20731768320's digits is 39
- More coming soon!
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