168438741055640
168,438,741,055,640 is an even composite number composed of five prime numbers multiplied together.
168438741055640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 168438741055640:
23 × 5 × 11 × 533 × 1373
(2 × 2 × 2 × 5 × 11 × 53 × 53 × 53 × 137 × 137 × 137)See below for interesting mathematical facts about the number 168438741055640 from the Numbermatics database.
Names of 168438741055640
- Cardinal: 168438741055640 can be written as One hundred sixty-eight trillion, four hundred thirty-eight billion, seven hundred forty-one million, fifty-five thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.6843874105564 × 1014
Factors of 168438741055640
Divisors of 168438741055640
- Number of divisors d(n): 256
-
Complete list of divisors:
1 2 4 5 8 10 11 20 22 40 44 53 55 88 106 110 137 212 220 265 274 424 440 530 548 583 685 1060 1096 1166 1370 1507 2120 2332 2740 2809 2915 3014 4664 5480 5618 5830 6028 7261 7535 11236 11660 12056 14045 14522 15070 18769 22472 23320 28090 29044 30140 30899 36305 37538 56180 58088 60280 61798 72610 75076 79871 93845 112360 123596 145220 148877 150152 154495 159742 187690 206459 247192 290440 297754 308990 319484 375380 384833 399355 412918 595508 617980 638968 744385 750760 769666 798710 825836 994757 1032295 1191016 1235960 1488770 1539332 1597420 1637647 1651672 1924165 1989514 2064590 2571353 2977540 3078664 3194840 3275294 3848330 3979028 4129180 4233163 4973785 5142706 5955080 6550588 7696660 7958056 8188235 8258360 8466326 9947570 10285412 10942327 12856765 13101176 15393320 16376470 16932652 19895140 20396149 20570824 21165815 21884654 25713530 28284883 32752940 33865304 39790280 40792298 42331630 43769308 51427060 52722121 54711635 56569766 65505880 81584596 84663260 87538616 101980745 102854120 105444242 109423270 113139532 136281709 141424415 163169192 169326520 203961490 210888484 218846540 224357639 226279064 263610605 272563418 282848830 407922980 421776968 437693080 448715278 527221210 545126836 565697660 579943331 681408545 815845960 897430556 1054442420 1090253672 1121788195 1131395320 1159886662 1362817090 1499098799 1794861112 2108884840 2243576390 2319773324 2725634180 2794272413 2899716655 2998197598 4487152780 4639546648 5451268360 5588544826 5799433310 5996395196 7222930577 7495493995 8974305560 11177089652 11598866620 11992790392 13971362065 14445861154 14990987990 22354179304 23197733240 27942724130 28891722308 29981975980 30736996543 36114652885 55885448260 57783444616 59963951960 61473993086 72229305770 79452236347 111770896520 122947986172 144458611540 153684982715 158904472694 245895972344 288917223080 307369965430 317808945388 382815320581 397261181735 614739930860 635617890776 765630641162 794522363470 1229479861720 1531261282324 1589044726940 1914076602905 3062522564648 3178089453880 3828153205810 4210968526391 7656306411620 8421937052782 15312612823240 16843874105564 21054842631955 33687748211128 42109685263910 84219370527820 168438741055640
- Sum of all divisors σ(n): 424489736592000
- Sum of proper divisors (its aliquot sum) s(n): 256050995536360
- 168438741055640 is an abundant number, because the sum of its proper divisors (256050995536360) is greater than itself. Its abundance is 87612254480720
Bases of 168438741055640
- Binary: 1001100100110001101100110101001110111000100110002
- Hexadecimal: 0x9931B353B898
- Base-36: 1NPFOTGQS8
Squares and roots of 168438741055640
- 168438741055640 squared (1684387410556402) is 28371609488408944101575809600
- 168438741055640 cubed (1684387410556403) is 4778878183949852989543879134891391646144000
-
The
square root of 168438741055640 is 12978395.1648745847 -
The
cube root of 168438741055640 is 55226.4756351769
Scales and comparisons
How big is 168438741055640?- 168,438,741,055,640 seconds is equal to 5,355,830 years, 49 weeks, 2 days, 22 hours, 7 minutes, 20 seconds.
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To count from 1 to 168,438,741,055,640 would take you about thirteen million, three hundred eighty-nine thousand, five hundred seventy-seven 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 168438741055640 cubic inches would be around 4602.2 feet tall.
Recreational maths with 168438741055640
- 168438741055640 backwards is 046550147834861
- The number of decimal digits it has is: 15
- The sum of 168438741055640's digits is 62
- More coming soon!
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