28720348800
28,720,348,800 is an even composite number composed of six prime numbers multiplied together.
28720348800 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 28720348800:
27 × 3 × 52 × 11 × 13 × 20921
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 11 × 13 × 20921)See below for interesting mathematical facts about the number 28720348800 from the Numbermatics database.
Names of 28720348800
- Cardinal: 28720348800 can be written as Twenty-eight billion, seven hundred twenty million, three hundred forty-eight thousand, eight hundred.
Scientific notation
- Scientific notation: 2.87203488 × 1010
Factors of 28720348800
Divisors of 28720348800
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 13 15 16 20 22 24 25 26 30 32 33 39 40 44 48 50 52 55 60 64 65 66 75 78 80 88 96 100 104 110 120 128 130 132 143 150 156 160 165 176 192 195 200 208 220 240 260 264 275 286 300 312 320 325 330 352 384 390 400 416 429 440 480 520 528 550 572 600 624 640 650 660 704 715 780 800 825 832 858 880 960 975 1040 1056 1100 1144 1200 1248 1300 1320 1408 1430 1560 1600 1650 1664 1716 1760 1920 1950 2080 2112 2145 2200 2288 2400 2496 2600 2640 2860 3120 3200 3300 3432 3520 3575 3900 4160 4224 4290 4400 4576 4800 4992 5200 5280 5720 6240 6600 6864 7040 7150 7800 8320 8580 8800 9152 9600 10400 10560 10725 11440 12480 13200 13728 14300 15600 17160 17600 18304 20800 20921 21120 21450 22880 24960 26400 27456 28600 31200 34320 35200 41600 41842 42900 45760 52800 54912 57200 62400 62763 68640 83684 85800 91520 104605 105600 114400 124800 125526 137280 167368 171600 209210 228800 230131 251052 271973 274560 313815 334736 343200 418420 457600 460262 502104 523025 543946 627630 669472 686400 690393 815919 836840 920524 1004208 1046050 1087892 1150655 1255260 1338944 1359865 1372800 1380786 1569075 1631838 1673680 1841048 2008416 2092100 2175784 2301310 2510520 2677888 2719730 2761572 2991703 3138150 3263676 3347360 3451965 3682096 4016832 4079595 4184200 4351568 4602620 5021040 5439460 5523144 5753275 5983406 6276300 6527352 6694720 6799325 6903930 7364192 8033664 8159190 8368400 8703136 8975109 9205240 10042080 10878920 11046288 11506550 11966812 12552600 13054704 13389440 13598650 13807860 14728384 14958515 16318380 16736800 17259825 17406272 17950218 18410480 20084160 20397975 21757840 22092576 23013100 23933624 25105200 26109408 27197300 27615720 29456768 29917030 32636760 33473600 34519650 34812544 35900436 36820960 40168320 40795950 43515680 44185152 44875545 46026200 47867248 50210400 52218816 54394600 55231440 59834060 65273520 66947200 69039300 71800872 73641920 74792575 81591900 87031360 88370304 89751090 92052400 95734496 100420800 104437632 108789200 110462880 119668120 130547040 138078600 143601744 147283840 149585150 163183800 174062720 179502180 184104800 191468992 200841600 217578400 220925760 224377725 239336240 261094080 276157200 287203488 299170300 326367600 359004360 368209600 382937984 435156800 441851520 448755450 478672480 522188160 552314400 574406976 598340600 652735200 718008720 736419200 870313600 897510900 957344960 1104628800 1148813952 1196681200 1305470400 1436017440 1795021800 1914689920 2209257600 2393362400 2610940800 2872034880 3590043600 4786724800 5744069760 7180087200 9573449600 14360174400 28720348800
- Sum of all divisors σ(n): 111141011520
- Sum of proper divisors (its aliquot sum) s(n): 82420662720
- 28720348800 is an abundant number, because the sum of its proper divisors (82420662720) is greater than itself. Its abundance is 53700313920
Bases of 28720348800
- Binary: 110101011111101110110111110100000002
- Hexadecimal: 0x6AFDDBE80
- Base-36: D6ZCQYO
Squares and roots of 28720348800
- 28720348800 squared (287203488002) is 824858435193661440000
- 28720348800 cubed (287203488003) is 23690221969384152105910272000000
-
The
square root of 28720348800 is 169470.7904035383 -
The
cube root of 28720348800 is 3062.4093118779
Scales and comparisons
How big is 28720348800?- 28,720,348,800 seconds is equal to 913 years, 11 weeks, 2 days, 10 hours, 40 minutes.
-
To count from 1 to 28,720,348,800 would take you about one thousand, eight hundred twenty-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 28720348800 cubic inches would be around 255.2 feet tall.
Recreational maths with 28720348800
- 28720348800 backwards is 00884302782
- The number of decimal digits it has is: 11
- The sum of 28720348800's digits is 42
- More coming soon!
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