20728327680
20,728,327,680 is an even composite number composed of five prime numbers multiplied together.
20728327680 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of five hundred sixty divisors.
Prime factorization of 20728327680:
29 × 36 × 5 × 29 × 383
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 29 × 383)See below for interesting mathematical facts about the number 20728327680 from the Numbermatics database.
Names of 20728327680
- Cardinal: 20728327680 can be written as Twenty billion, seven hundred twenty-eight million, three hundred twenty-seven thousand, six hundred eighty.
Scientific notation
- Scientific notation: 2.072832768 × 1010
Factors of 20728327680
Divisors of 20728327680
- Number of divisors d(n): 560
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 29 30 32 36 40 45 48 54 58 60 64 72 80 81 87 90 96 108 116 120 128 135 144 145 160 162 174 180 192 216 232 240 243 256 261 270 288 290 320 324 348 360 383 384 405 432 435 464 480 486 512 522 540 576 580 640 648 696 720 729 766 768 783 810 864 870 928 960 972 1044 1080 1149 1152 1160 1215 1280 1296 1305 1392 1440 1458 1532 1536 1566 1620 1728 1740 1856 1915 1920 1944 2088 2160 2298 2304 2320 2349 2430 2560 2592 2610 2784 2880 2916 3064 3132 3240 3447 3456 3480 3645 3712 3830 3840 3888 3915 4176 4320 4596 4608 4640 4698 4860 5184 5220 5568 5745 5760 5832 6128 6264 6480 6894 6912 6960 7047 7290 7424 7660 7680 7776 7830 8352 8640 9192 9280 9396 9720 10341 10368 10440 11107 11136 11490 11520 11664 11745 12256 12528 12960 13788 13824 13920 14094 14580 14848 15320 15552 15660 16704 17235 17280 18384 18560 18792 19440 20682 20736 20880 21141 22214 22272 22980 23040 23328 23490 24512 25056 25920 27576 27840 28188 29160 30640 31023 31104 31320 33321 33408 34470 34560 35235 36768 37120 37584 38880 41364 41472 41760 42282 44428 44544 45960 46656 46980 49024 50112 51705 51840 55152 55535 55680 56376 58320 61280 62046 62208 62640 66642 66816 68940 69120 70470 73536 74240 75168 77760 82728 83520 84564 88856 91920 93069 93312 93960 98048 99963 100224 103410 103680 105705 110304 111070 111360 112752 116640 122560 124092 124416 125280 133284 133632 137880 140940 147072 150336 155115 155520 165456 166605 167040 169128 177712 183840 186138 186624 187920 196096 199926 200448 206820 207360 211410 220608 222140 222720 225504 233280 245120 248184 250560 266568 275760 279207 281880 294144 299889 300672 310230 311040 330912 333210 334080 338256 355424 367680 372276 373248 375840 399852 400896 413640 422820 441216 444280 451008 465345 466560 490240 496368 499815 501120 533136 551520 558414 563760 588288 599778 601344 620460 622080 661824 666420 668160 676512 710848 735360 744552 751680 799704 827280 845640 882432 888560 899667 902016 930690 933120 980480 992736 999630 1002240 1066272 1103040 1116828 1127520 1199556 1202688 1240920 1323648 1332840 1353024 1396035 1421696 1470720 1489104 1499445 1503360 1599408 1654560 1691280 1764864 1777120 1799334 1804032 1861380 1866240 1985472 1999260 2004480 2132544 2206080 2233656 2255040 2399112 2481840 2647296 2665680 2699001 2706048 2792070 2843392 2941440 2978208 2998890 3006720 3198816 3309120 3382560 3554240 3598668 3608064 3722760 3970944 3998520 4265088 4412160 4467312 4498335 4510080 4798224 4963680 5294592 5331360 5398002 5412096 5584140 5686784 5956416 5997780 6013440 6397632 6618240 6765120 7108480 7197336 7445520 7941888 7997040 8097003 8530176 8824320 8934624 8996670 9020160 9596448 9927360 10662720 10796004 10824192 11168280 11912832 11995560 12795264 13236480 13495005 13530240 14216960 14394672 14891040 15883776 15994080 16194006 17060352 17869248 17993340 18040320 19192896 19854720 21325440 21592008 22336560 23825664 23991120 25590528 26472960 26990010 27060480 28433920 28789344 29782080 31988160 32388012 35738496 35986680 38385792 39709440 40485015 42650880 43184016 44673120 47651328 47982240 51181056 53980020 54120960 57578688 59564160 63976320 64776024 71476992 71973360 76771584 79418880 80970030 85301760 86368032 89346240 95964480 107960040 115157376 119128320 127952640 129552048 142953984 143946720 153543168 161940060 172736064 178692480 191928960 215920080 230314752 238256640 255905280 259104096 287893440 323880120 345472128 357384960 383857920 431840160 460629504 518208192 575786880 647760240 690944256 714769920 767715840 863680320 1036416384 1151573760 1295520480 1381888512 1727360640 2072832768 2303147520 2591040960 3454721280 4145665536 5182081920 6909442560 10364163840 20728327680
- Sum of all divisors σ(n): 77285767680
- Sum of proper divisors (its aliquot sum) s(n): 56557440000
- 20728327680 is an abundant number, because the sum of its proper divisors (56557440000) is greater than itself. Its abundance is 35829112320
Bases of 20728327680
- Binary: 100110100111000000100101110000000002
- Hexadecimal: 0x4D3812E00
- Base-36: 9IT4000
Squares and roots of 20728327680
- 20728327680 squared (207283276802) is 429663568409454182400
- 20728327680 cubed (207283276803) is 8906207238149262702733688832000
-
The
square root of 20728327680 is 143973.3575353441 -
The
cube root of 20728327680 is 2746.9753049139
Scales and comparisons
How big is 20728327680?- 20,728,327,680 seconds is equal to 659 years, 5 weeks, 4 hours, 48 minutes.
-
To count from 1 to 20,728,327,680 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 20728327680 cubic inches would be around 228.9 feet tall.
Recreational maths with 20728327680
- 20728327680 backwards is 08672382702
- 20728327680 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20728327680's digits is 45
- More coming soon!
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