20478632720
20,478,632,720 is an even composite number composed of six prime numbers multiplied together.
20478632720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 20478632720:
24 × 5 × 72 × 13 × 37 × 10861
(2 × 2 × 2 × 2 × 5 × 7 × 7 × 13 × 37 × 10861)See below for interesting mathematical facts about the number 20478632720 from the Numbermatics database.
Names of 20478632720
- Cardinal: 20478632720 can be written as Twenty billion, four hundred seventy-eight million, six hundred thirty-two thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.047863272 × 1010
Factors of 20478632720
Divisors of 20478632720
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 4 5 7 8 10 13 14 16 20 26 28 35 37 40 49 52 56 65 70 74 80 91 98 104 112 130 140 148 182 185 196 208 245 259 260 280 296 364 370 392 455 481 490 518 520 560 592 637 728 740 784 910 962 980 1036 1040 1274 1295 1456 1480 1813 1820 1924 1960 2072 2405 2548 2590 2960 3185 3367 3626 3640 3848 3920 4144 4810 5096 5180 6370 6734 7252 7280 7696 9065 9620 10192 10360 10861 12740 13468 14504 16835 18130 19240 20720 21722 23569 25480 26936 29008 33670 36260 38480 43444 47138 50960 53872 54305 67340 72520 76027 86888 94276 108610 117845 134680 141193 145040 152054 173776 188552 217220 235690 269360 282386 304108 377104 380135 401857 434440 471380 532189 564772 608216 705965 760270 803714 868880 942760 988351 1064378 1129544 1216432 1411930 1520540 1607428 1885520 1976702 2009285 2128756 2259088 2660945 2812999 2823860 3041080 3214856 3953404 4018570 4257512 4941755 5224141 5321890 5625998 5647720 6082160 6429712 6918457 7906808 8037140 8515024 9883510 10448282 10643780 11251996 11295440 13836914 14064995 15813616 16074280 19690993 19767020 20896564 21287560 22503992 26120705 27673828 28129990 32148560 34592285 36568987 39381986 39534040 41793128 42575120 45007984 52241410 55347656 56259980 69184570 73137974 78763972 79068080 83586256 98454965 104482820 110695312 112519960 138369140 146275948 157527944 182844935 196909930 208965640 225039920 255982909 276738280 292551896 315055888 365689870 393819860 417931280 511965818 553476560 585103792 731379740 787639720 1023931636 1279914545 1462759480 1575279440 2047863272 2559829090 2925518960 4095726544 5119658180 10239316360 20478632720
- Sum of all divisors σ(n): 61264547568
- Sum of proper divisors (its aliquot sum) s(n): 40785914848
- 20478632720 is an abundant number, because the sum of its proper divisors (40785914848) is greater than itself. Its abundance is 20307282128
Bases of 20478632720
- Binary: 100110001001001111100100011000100002
- Hexadecimal: 0x4C49F2310
- Base-36: 9EOG64W
Squares and roots of 20478632720
- 20478632720 squared (204786327202) is 419374398080654598400
- 20478632720 cubed (204786327203) is 8588214270464798457812699648000
-
The
square root of 20478632720 is 143103.5734005269 -
The
cube root of 20478632720 is 2735.9006274967
Scales and comparisons
How big is 20478632720?- 20,478,632,720 seconds is equal to 651 years, 8 weeks, 1 day, 5 hours, 5 minutes, 20 seconds.
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To count from 1 to 20,478,632,720 would take you about one thousand, three hundred two 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 20478632720 cubic inches would be around 228 feet tall.
Recreational maths with 20478632720
- 20478632720 backwards is 02723687402
- The number of decimal digits it has is: 11
- The sum of 20478632720's digits is 41
- More coming soon!
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