20742389928
20,742,389,928 is an even composite number composed of six prime numbers multiplied together.
20742389928 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 20742389928:
23 × 34 × 13 × 17 × 241 × 601
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 13 × 17 × 241 × 601)See below for interesting mathematical facts about the number 20742389928 from the Numbermatics database.
Names of 20742389928
- Cardinal: 20742389928 can be written as Twenty billion, seven hundred forty-two million, three hundred eighty-nine thousand, nine hundred twenty-eight.
Scientific notation
- Scientific notation: 2.0742389928 × 1010
Factors of 20742389928
Divisors of 20742389928
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 6 8 9 12 13 17 18 24 26 27 34 36 39 51 52 54 68 72 78 81 102 104 108 117 136 153 156 162 204 216 221 234 241 306 312 324 351 408 442 459 468 482 601 612 648 663 702 723 884 918 936 964 1053 1202 1224 1326 1377 1404 1446 1768 1803 1836 1928 1989 2106 2169 2404 2652 2754 2808 2892 3133 3606 3672 3978 4097 4212 4338 4808 5304 5409 5508 5784 5967 6266 6507 7212 7813 7956 8194 8424 8676 9399 10217 10818 11016 11934 12291 12532 13014 14424 15626 15912 16227 16388 17352 17901 18798 19521 20434 21636 23439 23868 24582 25064 26028 28197 30651 31252 32454 32776 35802 36873 37596 39042 40868 43272 46878 47736 48681 49164 52056 53261 56394 61302 62504 64908 70317 71604 73746 75192 78084 81736 84591 91953 93756 97362 98328 106522 110619 112788 122604 129816 132821 140634 143208 144841 147492 156168 159783 169182 183906 187512 194724 210951 213044 221238 225576 245208 253773 265642 275859 281268 289682 294984 319566 331857 338364 367812 389448 398463 421902 426088 434523 442476 479349 507546 531284 551718 562536 579364 632853 639132 663714 676728 735624 796926 827577 843804 869046 884952 958698 1015092 1062568 1103436 1158728 1195389 1265706 1278264 1303569 1327428 1438047 1593852 1655154 1687608 1738092 1882933 1917396 2030184 2206872 2390778 2462297 2531412 2607138 2654856 2876094 3187704 3310308 3476184 3586167 3765866 3834792 3910707 4314141 4781556 4924594 5062824 5214276 5648799 5752188 6620616 7172334 7386891 7531732 7821414 8628282 9563112 9849188 10428552 10758501 11297598 11504376 11732121 14344668 14773782 15063464 15642828 16946397 17256564 19698376 21517002 22160673 22595196 23464242 28689336 29547564 31285656 32009861 33892794 34513128 43034004 44321346 45190392 46928484 50839191 59095128 64019722 66482019 67785588 86068008 88642692 93856968 96029583 101678382 128039444 132964038 135571176 152517573 177285384 192059166 199446057 203356764 256078888 265928076 288088749 305035146 384118332 398892114 406713528 531856152 576177498 610070292 768236664 797784228 864266247 1152354996 1220140584 1595568456 1728532494 2304709992 2592798741 3457064988 5185597482 6914129976 10371194964 20742389928
- Sum of all divisors σ(n): 66632947920
- Sum of proper divisors (its aliquot sum) s(n): 45890557992
- 20742389928 is an abundant number, because the sum of its proper divisors (45890557992) is greater than itself. Its abundance is 25148168064
Bases of 20742389928
- Binary: 100110101000101011111000000101010002
- Hexadecimal: 0x4D457C0A8
- Base-36: 9J1HEI0
Squares and roots of 20742389928
- 20742389928 squared (207423899282) is 430246739925195845184
- 20742389928 cubed (207423899283) is 8924345644779217772572048906752
-
The
square root of 20742389928 is 144022.1855409783 -
The
cube root of 20742389928 is 2747.5963538243
Scales and comparisons
How big is 20742389928?- 20,742,389,928 seconds is equal to 659 years, 28 weeks, 1 day, 22 hours, 58 minutes, 48 seconds.
-
To count from 1 to 20,742,389,928 would take you about one thousand, three hundred nineteen 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 20742389928 cubic inches would be around 229 feet tall.
Recreational maths with 20742389928
- 20742389928 backwards is 82998324702
- 20742389928 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20742389928's digits is 54
- More coming soon!
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