21728615040
21,728,615,040 is an even composite number composed of six prime numbers multiplied together.
21728615040 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of five hundred twelve divisors.
Prime factorization of 21728615040:
27 × 33 × 5 × 11 × 79 × 1447
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 11 × 79 × 1447)See below for interesting mathematical facts about the number 21728615040 from the Numbermatics database.
Names of 21728615040
- Cardinal: 21728615040 can be written as Twenty-one billion, seven hundred twenty-eight million, six hundred fifteen thousand and forty.
Scientific notation
- Scientific notation: 2.172861504 × 1010
Factors of 21728615040
Divisors of 21728615040
- Number of divisors d(n): 512
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 32 33 36 40 44 45 48 54 55 60 64 66 72 79 80 88 90 96 99 108 110 120 128 132 135 144 158 160 165 176 180 192 198 216 220 237 240 264 270 288 297 316 320 330 352 360 384 395 396 432 440 474 480 495 528 540 576 594 632 640 660 704 711 720 790 792 864 869 880 948 960 990 1056 1080 1152 1185 1188 1264 1320 1408 1422 1440 1447 1485 1580 1584 1728 1738 1760 1896 1920 1980 2112 2133 2160 2370 2376 2528 2607 2640 2844 2880 2894 2970 3160 3168 3456 3476 3520 3555 3792 3960 4224 4266 4320 4341 4345 4740 4752 5056 5214 5280 5688 5760 5788 5940 6320 6336 6952 7040 7110 7235 7584 7821 7920 8532 8640 8682 8690 9480 9504 10112 10428 10560 10665 11376 11576 11880 12640 12672 13023 13035 13904 14220 14470 15168 15642 15840 15917 17064 17280 17364 17380 18960 19008 20856 21120 21330 21705 22752 23152 23463 23760 25280 26046 26070 27808 28440 28940 30336 31284 31680 31834 34128 34728 34760 37920 38016 39069 39105 41712 42660 43410 45504 46304 46926 47520 47751 50560 52092 52140 55616 56880 57880 62568 63360 63668 65115 68256 69456 69520 75840 78138 78210 79585 83424 85320 86820 91008 92608 93852 95040 95502 104184 104280 111232 113760 114313 115760 117315 125136 127336 130230 136512 138912 139040 143253 151680 156276 156420 159170 166848 170640 173640 185216 187704 190080 191004 195345 208368 208560 227520 228626 231520 234630 238755 250272 254672 260460 273024 277824 278080 286506 312552 312840 318340 333696 341280 342939 347280 375408 382008 390690 416736 417120 429759 455040 457252 463040 469260 477510 500544 509344 520920 555648 556160 571565 573012 625104 625680 636680 682560 685878 694560 716265 750816 764016 781380 833472 834240 859518 914504 926080 938520 955020 1001088 1018688 1028817 1041840 1143130 1146024 1250208 1251360 1257443 1273360 1365120 1371756 1389120 1432530 1501632 1528032 1562760 1666944 1668480 1714695 1719036 1829008 1877040 1910040 2037376 2057634 2083680 2148795 2286260 2292048 2500416 2502720 2514886 2546720 2743512 2778240 2865060 3003264 3056064 3086451 3125520 3429390 3438072 3658016 3754080 3772329 3820080 4115268 4167360 4297590 4572520 4584096 5000832 5005440 5029772 5093440 5144085 5487024 5730120 6112128 6172902 6251040 6287215 6858780 6876144 7316032 7508160 7544658 7640160 8230536 8334720 8595180 9145040 9168192 10059544 10186880 10288170 10974048 11316987 11460240 12345804 12502080 12574430 13717560 13752288 14632064 15016320 15089316 15280320 15432255 16461072 17190360 18290080 18336384 18861645 20119088 20576340 21948096 22633974 22920480 24691608 25004160 25148860 27435120 27504576 30178632 30560640 30864510 32922144 33950961 34380720 36580160 37723290 40238176 41152680 43896192 45267948 45840960 49383216 50297720 54870240 55009152 56584935 60357264 61729020 65844288 67901922 68761440 73160320 75446580 80476352 82305360 90535896 91681920 98766432 100595440 109740480 113169870 120714528 123458040 131688576 135803844 137522880 150893160 160952704 164610720 169754805 181071792 197532864 201190880 219480960 226339740 241429056 246916080 271607688 275045760 301786320 329221440 339509610 362143584 395065728 402381760 452679480 482858112 493832160 543215376 603572640 658442880 679019220 724287168 804763520 905358960 987664320 1086430752 1207145280 1358038440 1448574336 1810717920 1975328640 2172861504 2414290560 2716076880 3621435840 4345723008 5432153760 7242871680 10864307520 21728615040
- Sum of all divisors σ(n): 85072896000
- Sum of proper divisors (its aliquot sum) s(n): 63344280960
- 21728615040 is an abundant number, because the sum of its proper divisors (63344280960) is greater than itself. Its abundance is 41615665920
Bases of 21728615040
- Binary: 101000011110010000001011010100000002
- Hexadecimal: 0x50F205A80
- Base-36: 9ZCNMO0
Squares and roots of 21728615040
- 21728615040 squared (217286150402) is 472132711556514201600
- 21728615040 cubed (217286150403) is 10258789937202856290859352064000
-
The
square root of 21728615040 is 147406.2924030043 -
The
cube root of 21728615040 is 2790.4699404955
Scales and comparisons
How big is 21728615040?- 21,728,615,040 seconds is equal to 690 years, 46 weeks, 6 days, 14 hours, 24 minutes.
-
To count from 1 to 21,728,615,040 would take you about one thousand, three hundred eighty-one 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 21728615040 cubic inches would be around 232.5 feet tall.
Recreational maths with 21728615040
- 21728615040 backwards is 04051682712
- 21728615040 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21728615040's digits is 36
- More coming soon!
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