21453210240
21,453,210,240 is an even composite number composed of seven prime numbers multiplied together.
21453210240 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of seven hundred sixty-eight divisors.
Prime factorization of 21453210240:
27 × 3 × 5 × 7 × 11 × 312 × 151
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 11 × 31 × 31 × 151)See below for interesting mathematical facts about the number 21453210240 from the Numbermatics database.
Names of 21453210240
- Cardinal: 21453210240 can be written as Twenty-one billion, four hundred fifty-three million, two hundred ten thousand, two hundred forty.
Scientific notation
- Scientific notation: 2.145321024 × 1010
Factors of 21453210240
Divisors of 21453210240
- Number of divisors d(n): 768
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 11 12 14 15 16 20 21 22 24 28 30 31 32 33 35 40 42 44 48 55 56 60 62 64 66 70 77 80 84 88 93 96 105 110 112 120 124 128 132 140 151 154 155 160 165 168 176 186 192 210 217 220 224 231 240 248 264 280 302 308 310 320 330 336 341 352 372 384 385 420 434 440 448 453 462 465 480 496 528 560 604 616 620 640 651 660 672 682 704 744 755 770 840 868 880 896 906 924 930 960 961 992 1023 1056 1057 1085 1120 1155 1208 1232 1240 1302 1320 1344 1364 1408 1488 1510 1540 1661 1680 1705 1736 1760 1812 1848 1860 1920 1922 1984 2046 2112 2114 2170 2240 2265 2310 2387 2416 2464 2480 2604 2640 2688 2728 2883 2976 3020 3080 3171 3255 3322 3360 3410 3472 3520 3624 3696 3720 3844 3968 4092 4224 4228 4340 4480 4530 4620 4681 4774 4805 4832 4928 4960 4983 5115 5208 5280 5285 5456 5766 5952 6040 6160 6342 6510 6644 6720 6727 6820 6944 7040 7161 7248 7392 7440 7688 8184 8305 8456 8680 9060 9240 9362 9548 9610 9664 9856 9920 9966 10230 10416 10560 10570 10571 10912 11532 11627 11904 11935 12080 12320 12684 13020 13288 13440 13454 13640 13888 14043 14322 14415 14496 14784 14880 15376 15855 16368 16610 16912 17360 18120 18480 18724 19096 19220 19328 19840 19932 20181 20460 20832 21120 21140 21142 21824 23064 23254 23405 23870 24160 24640 24915 25368 26040 26576 26908 27280 27776 28086 28644 28830 28992 29568 29760 30752 31710 31713 32736 32767 33220 33635 33824 34720 34881 35805 36240 36960 37448 38192 38440 39864 40362 40920 41664 42280 42284 43648 46128 46508 46810 47740 48320 49280 49830 50736 51491 52080 52855 53152 53816 54560 56172 57288 57660 57984 58135 59520 61504 63420 63426 65472 65534 66440 67270 67648 69440 69762 70215 71610 72480 73920 73997 74896 76384 76880 79728 80724 81840 83328 84560 84568 92256 93016 93620 95480 96640 98301 99660 100905 101472 102982 104160 105710 106304 107632 109120 112344 114576 115320 116270 123008 126840 126852 130944 131068 132880 134540 135296 138880 139524 140430 143220 144960 145111 147840 147994 149792 152768 153760 154473 158565 159456 161448 163680 163835 169120 169136 174405 184512 186032 187240 190960 196602 199320 201810 202944 205964 208320 211420 212608 215264 218240 221991 224688 229152 230640 232540 253680 253704 257455 262136 265760 269080 279048 280860 286440 289920 290222 295988 299584 305536 307520 308946 317130 318912 322896 327360 327670 338240 338272 348810 360437 369024 369985 372064 374480 381920 393204 398640 403620 405888 411928 416640 422840 430528 435333 443982 449376 458304 461280 465080 491505 507360 507408 514910 524272 531520 538160 558096 561720 572880 580444 591976 599168 615040 617892 634260 637824 645792 654720 655340 676480 676544 697620 720874 725555 739970 744128 748960 763840 772365 786408 797280 807240 823856 845680 861056 870666 887964 898752 916608 922560 930160 983010 1014720 1014816 1015777 1029820 1048544 1063040 1076320 1081311 1109955 1116192 1123440 1145760 1160888 1183952 1235784 1268520 1291584 1310680 1353088 1395240 1441748 1451110 1479940 1488256 1497920 1527680 1544730 1572816 1594560 1596221 1614480 1647712 1691360 1741332 1775928 1797504 1802185 1845120 1860320 1966020 2029440 2029632 2031554 2059640 2097088 2152640 2162622 2176665 2219910 2232384 2246880 2291520 2321776 2367904 2471568 2537040 2583168 2621360 2790480 2883496 2902220 2959880 2995840 3047331 3089460 3145632 3189120 3192442 3228960 3295424 3382720 3482664 3551856 3604370 3720640 3932040 4059264 4063108 4119280 4194176 4305280 4325244 4353330 4439820 4464768 4493760 4583040 4643552 4735808 4788663 4943136 5074080 5078885 5242720 5406555 5580960 5766992 5804440 5919760 6094662 6178920 6291264 6384884 6457920 6590848 6765440 6965328 7103712 7208740 7441280 7864080 7981105 8126216 8238560 8650488 8706660 8879640 8987520 9287104 9471616 9577326 9886272 10148160 10157770 10485440 10813110 11161920 11173547 11533984 11608880 11839520 12189324 12357840 12582528 12769768 12915840 13930656 14207424 14417480 15236655 15728160 15962210 16252432 16477120 17300976 17413320 17759280 18574208 19154652 19772544 20296320 20315540 20970880 21626220 22323840 22347094 23067968 23217760 23679040 23943315 24378648 24715680 25539536 27861312 28414848 28834960 30473310 31456320 31924420 32504864 32954240 33520641 34601952 34826640 35518560 38309304 40631080 43252440 44694188 46135936 46435520 47358080 47886630 48757296 49431360 51079072 55722624 55867735 57669920 60946620 62912640 63848840 65009728 67041282 69203904 69653280 71037120 76618608 81262160 86504880 89388376 92871040 95773260 97514592 98862720 102158144 111735470 115339840 121893240 127697680 130019456 134082564 138407808 139306560 142074240 153237216 162524320 167603205 173009760 178776752 191546520 195029184 204316288 223470940 230679680 243786480 255395360 268165128 278613120 306474432 325048640 335206410 346019520 357553504 383093040 390058368 446941880 487572960 510790720 536330256 612948864 650097280 670412820 692039040 715107008 766186080 893883760 975145920 1021581440 1072660512 1340825640 1430214016 1532372160 1787767520 1950291840 2145321024 2681651280 3064744320 3575535040 4290642048 5363302560 7151070080 10726605120 21453210240
- Sum of all divisors σ(n): 88677918720
- Sum of proper divisors (its aliquot sum) s(n): 67224708480
- 21453210240 is an abundant number, because the sum of its proper divisors (67224708480) is greater than itself. Its abundance is 45771498240
Bases of 21453210240
- Binary: 100111111101011011000000010100000002
- Hexadecimal: 0x4FEB60280
- Base-36: 9USOQYO
Squares and roots of 21453210240
- 21453210240 squared (214532102402) is 460240229601640857600
- 21453210240 cubed (214532102403) is 9873630406549872767066701824000
-
The
square root of 21453210240 is 146469.1443273975 -
The
cube root of 21453210240 is 2778.6302725641
Scales and comparisons
How big is 21453210240?- 21,453,210,240 seconds is equal to 682 years, 7 weeks, 4 days, 1 hour, 4 minutes.
-
To count from 1 to 21,453,210,240 would take you about one thousand, three hundred sixty-four 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 21453210240 cubic inches would be around 231.6 feet tall.
Recreational maths with 21453210240
- 21453210240 backwards is 04201235412
- 21453210240 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21453210240's digits is 24
- More coming soon!
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The information we have on file for 21453210240 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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