21472749540
21,472,749,540 is an even composite number composed of six prime numbers multiplied together.
21472749540 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21472749540:
22 × 33 × 5 × 112 × 31 × 10601
(2 × 2 × 3 × 3 × 3 × 5 × 11 × 11 × 31 × 10601)See below for interesting mathematical facts about the number 21472749540 from the Numbermatics database.
Names of 21472749540
- Cardinal: 21472749540 can be written as Twenty-one billion, four hundred seventy-two million, seven hundred forty-nine thousand, five hundred forty.
Scientific notation
- Scientific notation: 2.147274954 × 1010
Factors of 21472749540
Divisors of 21472749540
- Number of divisors d(n): 288
-
Complete list of divisors:
1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 31 33 36 44 45 54 55 60 62 66 90 93 99 108 110 121 124 132 135 155 165 180 186 198 220 242 270 279 297 310 330 341 363 372 396 465 484 495 540 558 594 605 620 660 682 726 837 930 990 1023 1089 1116 1188 1210 1364 1395 1452 1485 1674 1705 1815 1860 1980 2046 2178 2420 2790 2970 3069 3267 3348 3410 3630 3751 4092 4185 4356 5115 5445 5580 5940 6138 6534 6820 7260 7502 8370 9207 10230 10601 10890 11253 12276 13068 15004 15345 16335 16740 18414 18755 20460 21202 21780 22506 30690 31803 32670 33759 36828 37510 42404 45012 46035 53005 56265 61380 63606 65340 67518 75020 92070 95409 101277 106010 112530 116611 127212 135036 159015 168795 184140 190818 202554 212020 225060 233222 286227 318030 328631 337590 349833 381636 405108 466444 477045 506385 572454 583055 636060 657262 675180 699666 954090 985893 1012770 1049499 1144908 1166110 1282721 1314524 1399332 1431135 1643155 1749165 1908180 1971786 2025540 2098998 2332220 2565442 2862270 2957679 3148497 3286310 3498330 3614941 3848163 3943572 4197996 4929465 5130884 5247495 5724540 5915358 6296994 6413605 6572620 6996660 7229882 7696326 8873037 9858930 10494990 10844823 11544489 11830716 12593988 12827210 14459764 14788395 15392652 15742485 17746074 18074705 19240815 19717860 20989980 21689646 23088978 25654420 29576790 31484970 32534469 34633467 35492148 36149410 38481630 39764351 43379292 44365185 46177956 54224115 57722445 59153580 62969940 65068938 69266934 72298820 76963260 79528702 88730370 97603407 108448230 115444890 119293053 130137876 138533868 159057404 162672345 173167335 177460740 195206814 198821755 216896460 230889780 238586106 325344690 346334670 357879159 390413628 397643510 477172212 488017035 596465265 650689380 692669340 715758318 795287020 976034070 1073637477 1192930530 1431516636 1789395795 1952068140 2147274954 2385861060 3578791590 4294549908 5368187385 7157583180 10736374770 21472749540
- Sum of all divisors σ(n): 75805148160
- Sum of proper divisors (its aliquot sum) s(n): 54332398620
- 21472749540 is an abundant number, because the sum of its proper divisors (54332398620) is greater than itself. Its abundance is 32859649080
Bases of 21472749540
- Binary: 100111111111110000000100111111001002
- Hexadecimal: 0x4FFE027E4
- Base-36: 9V4BJL0
Squares and roots of 21472749540
- 21472749540 squared (214727495402) is 461078972807570211600
- 21472749540 cubed (214727495403) is 9900633301257425769651602664000
-
The
square root of 21472749540 is 146535.8302259211 -
The
cube root of 21472749540 is 2779.4735964807
Scales and comparisons
How big is 21472749540?- 21,472,749,540 seconds is equal to 682 years, 39 weeks, 6 days, 4 hours, 39 minutes.
-
To count from 1 to 21,472,749,540 would take you about one thousand, three hundred sixty-five 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 21472749540 cubic inches would be around 231.6 feet tall.
Recreational maths with 21472749540
- 21472749540 backwards is 04594727412
- 21472749540 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21472749540's digits is 45
- More coming soon!
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