21388850560
21,388,850,560 is an even composite number composed of six prime numbers multiplied together.
21388850560 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 21388850560:
27 × 5 × 7 × 113 × 17 × 211
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 11 × 11 × 11 × 17 × 211)See below for interesting mathematical facts about the number 21388850560 from the Numbermatics database.
Names of 21388850560
- Cardinal: 21388850560 can be written as Twenty-one billion, three hundred eighty-eight million, eight hundred fifty thousand, five hundred sixty.
Scientific notation
- Scientific notation: 2.138885056 × 1010
Factors of 21388850560
Divisors of 21388850560
- Number of divisors d(n): 512
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Complete list of divisors:
1 2 4 5 7 8 10 11 14 16 17 20 22 28 32 34 35 40 44 55 56 64 68 70 77 80 85 88 110 112 119 121 128 136 140 154 160 170 176 187 211 220 224 238 242 272 280 308 320 340 352 374 385 422 440 448 476 484 544 560 595 605 616 640 680 704 748 770 844 847 880 896 935 952 968 1055 1088 1120 1190 1210 1232 1309 1331 1360 1408 1477 1496 1540 1688 1694 1760 1870 1904 1936 2057 2110 2176 2240 2321 2380 2420 2464 2618 2662 2720 2954 2992 3080 3376 3388 3520 3587 3740 3808 3872 4114 4220 4235 4480 4642 4760 4840 4928 5236 5324 5440 5908 5984 6160 6545 6655 6752 6776 7040 7174 7385 7480 7616 7744 8228 8440 8470 9284 9317 9520 9680 9856 10285 10472 10648 10880 11605 11816 11968 12320 13090 13310 13504 13552 14348 14399 14770 14960 15232 15488 16247 16456 16880 16940 17935 18568 18634 19040 19360 20570 20944 21296 22627 23210 23632 23936 24640 25109 25531 26180 26620 27008 27104 28696 28798 29540 29920 32494 32912 33760 33880 35870 37136 37268 38080 38720 39457 41140 41888 42592 45254 46420 46585 47264 49280 50218 51062 52360 53240 54208 57392 57596 59080 59840 64988 65824 67520 67760 71740 71995 74272 74536 76160 77440 78914 81235 82280 83776 85184 90508 92840 93170 94528 100436 102124 104720 106480 108416 113135 114784 115192 118160 119680 125545 127655 129976 131648 135040 135520 143480 143990 148544 149072 157828 158389 162470 164560 167552 170368 178717 181016 185680 186340 189056 197285 200872 204248 209440 212960 226270 229568 230384 236320 251090 255310 259952 263296 271040 276199 280841 286960 287980 297088 298144 315656 316778 324940 329120 357434 362032 371360 372680 394570 401744 408496 418880 425920 434027 452540 459136 460768 472640 502180 510620 519904 542080 552398 561682 573920 575960 596288 631312 633556 649880 658240 714868 724064 742720 745360 789140 791945 803488 816992 837760 851840 868054 893585 905080 921536 945280 1004360 1021240 1039808 1104796 1123364 1147840 1151920 1192576 1262624 1267112 1299760 1316480 1380995 1404205 1429736 1448128 1485440 1490720 1578280 1583890 1606976 1633984 1736108 1787170 1810160 1843072 1965887 2008720 2042480 2079616 2170135 2209592 2246728 2295680 2303840 2525248 2534224 2599520 2761990 2808410 2859472 2896256 2981440 3038189 3156560 3167780 3213952 3267968 3472216 3574340 3620320 3931774 4017440 4084960 4340270 4419184 4493456 4607680 4774297 5050496 5068448 5199040 5523980 5616820 5718944 5962880 6076378 6313120 6335560 6944432 7148680 7240640 7863548 8034880 8169920 8680540 8838368 8986912 9215360 9548594 9829435 10136896 10398080 11047960 11233640 11437888 12152756 12626240 12671120 13888864 14297360 14481280 15190945 15727096 16069760 16339840 17361080 17676736 17973824 19097188 19658870 20273792 22095920 22467280 22875776 23871485 24305512 25252480 25342240 27777728 28594720 30381890 31454192 33420079 34722160 35353472 35947648 38194376 39317740 44191840 44934560 47742970 48611024 50684480 55555456 57189440 60763780 62908384 66840158 69444320 76388752 78635480 88383680 89869120 95485940 97222048 101368960 114378880 121527560 125816768 133680316 138888640 152777504 157270960 167100395 176767360 179738240 190971880 194444096 243055120 251633536 267360632 277777280 305555008 314541920 334200790 381943760 388888192 486110240 534721264 611110016 629083840 668401580 763887520 972220480 1069442528 1258167680 1336803160 1527775040 1944440960 2138885056 2673606320 3055550080 4277770112 5347212640 10694425280 21388850560
- Sum of all divisors σ(n): 68380277760
- Sum of proper divisors (its aliquot sum) s(n): 46991427200
- 21388850560 is an abundant number, because the sum of its proper divisors (46991427200) is greater than itself. Its abundance is 25602576640
Bases of 21388850560
- Binary: 100111110101101111111110101100000002
- Hexadecimal: 0x4FADFF580
- Base-36: 9TQDAPS
Squares and roots of 21388850560
- 21388850560 squared (213888505602) is 457482928278012313600
- 21388850560 cubed (213888505603) is 9785033986689603509430255616000
-
The
square root of 21388850560 is 146249.2754170085 -
The
cube root of 21388850560 is 2775.8488568891
Scales and comparisons
How big is 21388850560?- 21,388,850,560 seconds is equal to 680 years, 5 weeks, 1 day, 3 hours, 22 minutes, 40 seconds.
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To count from 1 to 21,388,850,560 would take you about one thousand, three hundred sixty 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 21388850560 cubic inches would be around 231.3 feet tall.
Recreational maths with 21388850560
- 21388850560 backwards is 06505888312
- The number of decimal digits it has is: 11
- The sum of 21388850560's digits is 46
- More coming soon!
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