20387427840
20,387,427,840 is an even composite number composed of five prime numbers multiplied together.
20387427840 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 20387427840:
29 × 35 × 5 × 13 × 2521
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 13 × 2521)See below for interesting mathematical facts about the number 20387427840 from the Numbermatics database.
Names of 20387427840
- Cardinal: 20387427840 can be written as Twenty billion, three hundred eighty-seven million, four hundred twenty-seven thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.038742784 × 1010
Factors of 20387427840
Divisors of 20387427840
- Number of divisors d(n): 480
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 48 52 54 60 64 65 72 78 80 81 90 96 104 108 117 120 128 130 135 144 156 160 162 180 192 195 208 216 234 240 243 256 260 270 288 312 320 324 351 360 384 390 405 416 432 468 480 486 512 520 540 576 585 624 640 648 702 720 768 780 810 832 864 936 960 972 1040 1053 1080 1152 1170 1215 1248 1280 1296 1404 1440 1536 1560 1620 1664 1728 1755 1872 1920 1944 2080 2106 2160 2304 2340 2430 2496 2521 2560 2592 2808 2880 3120 3159 3240 3328 3456 3510 3744 3840 3888 4160 4212 4320 4608 4680 4860 4992 5042 5184 5265 5616 5760 6240 6318 6480 6656 6912 7020 7488 7563 7680 7776 8320 8424 8640 9360 9720 9984 10084 10368 10530 11232 11520 12480 12605 12636 12960 13824 14040 14976 15126 15552 15795 16640 16848 17280 18720 19440 19968 20168 20736 21060 22464 22689 23040 24960 25210 25272 25920 28080 29952 30252 31104 31590 32773 33280 33696 34560 37440 37815 38880 40336 41472 42120 44928 45378 49920 50420 50544 51840 56160 59904 60504 62208 63180 65546 67392 68067 69120 74880 75630 77760 80672 84240 89856 90756 98319 99840 100840 101088 103680 112320 113445 121008 124416 126360 131092 134784 136134 149760 151260 155520 161344 163865 168480 179712 181512 196638 201680 202176 204201 207360 224640 226890 242016 252720 262184 269568 272268 294957 299520 302520 311040 322688 327730 336960 340335 363024 393276 403360 404352 408402 449280 453780 484032 491595 505440 524368 539136 544536 589914 605040 612603 622080 645376 655460 673920 680670 726048 786552 806720 808704 816804 884871 898560 907560 968064 983190 1010880 1021005 1048736 1089072 1179828 1210080 1225206 1290752 1310920 1347840 1361340 1452096 1474785 1573104 1613440 1617408 1633608 1769742 1815120 1936128 1966380 2021760 2042010 2097472 2178144 2359656 2420160 2450412 2621840 2654613 2695680 2722680 2904192 2949570 3063015 3146208 3226880 3267216 3539484 3630240 3872256 3932760 4043520 4084020 4194944 4356288 4424355 4719312 4840320 4900824 5243680 5309226 5445360 5808384 5899140 6126030 6292416 6453760 6534432 7078968 7260480 7865520 7963839 8087040 8168040 8389888 8712576 8848710 9438624 9680640 9801648 10487360 10618452 10890720 11616768 11798280 12252060 12584832 13068864 13273065 14157936 14520960 15731040 15927678 16336080 16779776 17425152 17697420 18877248 19361280 19603296 20974720 21236904 21781440 23596560 24504120 25169664 26137728 26546130 28315872 29041920 31462080 31855356 32672160 34850304 35394840 37754496 39206592 39819195 41949440 42473808 43562880 47193120 49008240 50339328 52275456 53092260 56631744 58083840 62924160 63710712 65344320 70789680 75508992 78413184 79638390 83898880 84947616 87125760 94386240 98016480 104550912 106184520 113263488 125848320 127421424 130688640 141579360 151017984 156826368 159276780 169895232 174251520 188772480 196032960 212369040 226526976 251696640 254842848 261377280 283158720 313652736 318553560 339790464 377544960 392065920 424738080 453053952 509685696 522754560 566317440 637107120 679580928 755089920 784131840 849476160 1019371392 1132634880 1274214240 1359161856 1568263680 1698952320 2038742784 2265269760 2548428480 3397904640 4077485568 5096856960 6795809280 10193713920 20387427840
- Sum of all divisors σ(n): 78886263456
- Sum of proper divisors (its aliquot sum) s(n): 58498835616
- 20387427840 is an abundant number, because the sum of its proper divisors (58498835616) is greater than itself. Its abundance is 38111407776
Bases of 20387427840
- Binary: 100101111110010111101110110000000002
- Hexadecimal: 0x4BF2F7600
- Base-36: 9D65C00
Squares and roots of 20387427840
- 20387427840 squared (203874278402) is 415647213931207065600
- 20387427840 cubed (203874278403) is 8473977580919526774018146304000
-
The
square root of 20387427840 is 142784.5504247571 -
The
cube root of 20387427840 is 2731.8329919267
Scales and comparisons
How big is 20387427840?- 20,387,427,840 seconds is equal to 648 years, 13 weeks, 2 days, 14 hours, 24 minutes.
-
To count from 1 to 20,387,427,840 would take you about one thousand, two hundred ninety-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 20387427840 cubic inches would be around 227.7 feet tall.
Recreational maths with 20387427840
- 20387427840 backwards is 04872478302
- 20387427840 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20387427840's digits is 45
- More coming soon!
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