21018507480
21,018,507,480 is an even composite number composed of six prime numbers multiplied together.
21018507480 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 21018507480:
23 × 33 × 5 × 292 × 73 × 317
(2 × 2 × 2 × 3 × 3 × 3 × 5 × 29 × 29 × 73 × 317)See below for interesting mathematical facts about the number 21018507480 from the Numbermatics database.
Names of 21018507480
- Cardinal: 21018507480 can be written as Twenty-one billion, eighteen million, five hundred seven thousand, four hundred eighty.
Scientific notation
- Scientific notation: 2.101850748 × 1010
Factors of 21018507480
Divisors of 21018507480
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 29 30 36 40 45 54 58 60 72 73 87 90 108 116 120 135 145 146 174 180 216 219 232 261 270 290 292 317 348 360 365 435 438 522 540 580 584 634 657 696 730 783 841 870 876 951 1044 1080 1095 1160 1268 1305 1314 1460 1566 1585 1682 1740 1752 1902 1971 2088 2117 2190 2523 2536 2610 2628 2853 2920 3132 3170 3285 3364 3480 3804 3915 3942 4205 4234 4380 4755 5046 5220 5256 5706 6264 6340 6351 6570 6728 7569 7608 7830 7884 8410 8468 8559 8760 9193 9510 9855 10092 10440 10585 11412 12615 12680 12702 13140 14265 15138 15660 15768 16820 16936 17118 18386 19020 19053 19710 20184 21170 22707 22824 23141 25230 25404 26280 27579 28530 30276 31320 31755 33640 34236 36772 37845 38040 38106 39420 42340 42795 45414 45965 46282 50460 50808 55158 57060 57159 60552 61393 63510 68472 69423 73544 75690 76212 78840 82737 84680 85590 90828 91930 92564 95265 100920 110316 113535 114120 114318 115705 122786 127020 137895 138846 151380 152424 165474 171180 181656 183860 184179 185128 190530 208269 220632 227070 228636 231410 245572 248211 254040 266597 275790 277692 285795 302760 306965 330948 342360 347115 367720 368358 381060 413685 416538 454140 457272 462820 491144 496422 533194 551580 552537 555384 571590 613930 624807 661896 671089 694230 736716 762120 799791 827370 833076 908280 920895 925640 992844 1041345 1066388 1103160 1105074 1143180 1227860 1241055 1249614 1332985 1342178 1388460 1473432 1599582 1654740 1657611 1666152 1841790 1985688 2013267 2082690 2132776 2210148 2286360 2399373 2455720 2482110 2499228 2665970 2684356 2762685 2776920 3124035 3199164 3309480 3315222 3355445 3683580 3998955 4026534 4165380 4420296 4798746 4964220 4998456 5331940 5368712 5525370 6039801 6248070 6398328 6630444 6710890 7198119 7367160 7997910 8053068 8288055 8330760 9597492 9928440 10066335 10663880 11050740 11996865 12079602 12496140 13260888 13421780 14396238 15995820 16106136 16576110 18119403 19194984 19461581 20132670 22101480 23993730 24159204 24992280 26843560 28792476 30199005 31991640 33152220 35990595 36238806 38923162 40265340 47987460 48318408 57584952 58384743 60398010 66304440 71981190 72477612 77846324 80530680 90597015 95974920 97307905 116769486 120796020 143962380 144955224 155692648 175154229 181194030 194615810 233538972 241592040 287924760 291923715 350308458 362388060 389231620 467077944 525462687 583847430 700616916 724776120 778463240 875771145 1050925374 1167694860 1401233832 1751542290 2101850748 2335389720 2627313435 3503084580 4203701496 5254626870 7006169160 10509253740 21018507480
- Sum of all divisors σ(n): 73786939200
- Sum of proper divisors (its aliquot sum) s(n): 52768431720
- 21018507480 is an abundant number, because the sum of its proper divisors (52768431720) is greater than itself. Its abundance is 31749924240
Bases of 21018507480
- Binary: 100111001001100110011111000110110002
- Hexadecimal: 0x4E4CCF8D8
- Base-36: 9NLVK60
Squares and roots of 21018507480
- 21018507480 squared (210185074802) is 441777656686815950400
- 21018507480 cubed (210185074803) is 9285506981568713070865708992000
-
The
square root of 21018507480 is 144977.6102713795 -
The
cube root of 21018507480 is 2759.7344262425
Scales and comparisons
How big is 21018507480?- 21,018,507,480 seconds is equal to 668 years, 16 weeks, 5 days, 18 hours, 18 minutes.
-
To count from 1 to 21,018,507,480 would take you about one thousand, three hundred thirty-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 21018507480 cubic inches would be around 230 feet tall.
Recreational maths with 21018507480
- 21018507480 backwards is 08470581012
- 21018507480 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21018507480's digits is 36
- More coming soon!
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The information we have on file for 21018507480 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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