20728940160
20,728,940,160 is an even composite number composed of six prime numbers multiplied together.
20728940160 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 20728940160:
27 × 3 × 5 × 29 × 47 × 892
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 29 × 47 × 89 × 89)See below for interesting mathematical facts about the number 20728940160 from the Numbermatics database.
Names of 20728940160
- Cardinal: 20728940160 can be written as Twenty billion, seven hundred twenty-eight million, nine hundred forty thousand, one hundred sixty.
Scientific notation
- Scientific notation: 2.072894016 × 1010
Factors of 20728940160
Divisors of 20728940160
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 32 40 47 48 58 60 64 80 87 89 94 96 116 120 128 141 145 160 174 178 188 192 232 235 240 267 282 290 320 348 356 376 384 435 445 464 470 480 534 564 580 640 696 705 712 752 870 890 928 940 960 1068 1128 1160 1335 1363 1392 1410 1424 1504 1740 1780 1856 1880 1920 2136 2256 2320 2581 2670 2726 2784 2820 2848 3008 3480 3560 3712 3760 4089 4183 4272 4512 4640 5162 5340 5452 5568 5640 5696 6016 6815 6960 7120 7520 7743 7921 8178 8366 8544 9024 9280 10324 10680 10904 11136 11280 11392 12549 12905 13630 13920 14240 15040 15486 15842 16356 16732 17088 18048 18560 20445 20648 20915 21360 21808 22560 23763 25098 25810 27260 27840 28480 30080 30972 31684 32712 33464 34176 38715 39605 40890 41296 41830 42720 43616 45120 47526 50196 51620 54520 55680 56960 61944 62745 63368 65424 66928 77430 79210 81780 82592 83660 85440 87232 90240 95052 100392 103240 109040 118815 121307 123888 125490 126736 130848 133856 154860 158420 163560 165184 167320 170880 174464 190104 200784 206480 218080 229709 237630 242614 247776 250980 253472 261696 267712 309720 316840 327120 330368 334640 363921 372287 380208 401568 412960 436160 459418 475260 485228 495552 501960 506944 523392 535424 606535 619440 633680 654240 669280 689127 727842 744574 760416 803136 825920 872320 918836 950520 970456 991104 1003920 1013888 1116861 1148545 1213070 1238880 1267360 1308480 1338560 1378254 1455684 1489148 1520832 1606272 1651840 1819605 1837672 1861435 1901040 1940912 2007840 2233722 2297090 2426140 2477760 2534720 2616960 2677120 2756508 2911368 2978296 3041664 3445635 3639210 3675344 3722870 3802080 3881824 4015680 4467444 4594180 4852280 4955520 5069440 5513016 5584305 5822736 5956592 6891270 7278420 7350688 7445740 7604160 7763648 8031360 8934888 9188360 9704560 10796323 11026032 11168610 11645472 11913184 13782540 14556840 14701376 14891480 15208320 15527296 17869776 18376720 19409120 21592646 22052064 22337220 23290944 23826368 27565080 29113680 29402752 29782960 32388969 35739552 36753440 38818240 43185292 44104128 44674440 46581888 47652736 53981615 55130160 58227360 59565920 64777938 71479104 73506880 77636480 86370584 88208256 89348880 107963230 110260320 116454720 119131840 129555876 142958208 147013760 161944845 172741168 178697760 215926460 220520640 232909440 238263680 259111752 323889690 345482336 357395520 431852920 441041280 518223504 647779380 690964672 714791040 863705840 1036447008 1295558760 1381929344 1727411680 2072894016 2591117520 3454823360 4145788032 5182235040 6909646720 10364470080 20728940160
- Sum of all divisors σ(n): 70599340800
- Sum of proper divisors (its aliquot sum) s(n): 49870400640
- 20728940160 is an abundant number, because the sum of its proper divisors (49870400640) is greater than itself. Its abundance is 29141460480
Bases of 20728940160
- Binary: 100110100111000101010000110100000002
- Hexadecimal: 0x4D38A8680
- Base-36: 9ITH4LC
Squares and roots of 20728940160
- 20728940160 squared (207289401602) is 429688960156860825600
- 20728940160 cubed (207289401603) is 8906996742504192267310596096000
-
The
square root of 20728940160 is 143975.4845798409 -
The
cube root of 20728940160 is 2747.0023604953
Scales and comparisons
How big is 20728940160?- 20,728,940,160 seconds is equal to 659 years, 6 weeks, 6 hours, 56 minutes.
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To count from 1 to 20,728,940,160 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 20728940160 cubic inches would be around 228.9 feet tall.
Recreational maths with 20728940160
- 20728940160 backwards is 06104982702
- The number of decimal digits it has is: 11
- The sum of 20728940160's digits is 39
- More coming soon!
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