21181401000
21,181,401,000 is an even composite number composed of five prime numbers multiplied together.
21181401000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21181401000:
23 × 32 × 53 × 313 × 79
(2 × 2 × 2 × 3 × 3 × 5 × 5 × 5 × 31 × 31 × 31 × 79)See below for interesting mathematical facts about the number 21181401000 from the Numbermatics database.
Names of 21181401000
- Cardinal: 21181401000 can be written as Twenty-one billion, one hundred eighty-one million, four hundred one thousand.
Scientific notation
- Scientific notation: 2.1181401 × 1010
Factors of 21181401000
Divisors of 21181401000
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 31 36 40 45 50 60 62 72 75 79 90 93 100 120 124 125 150 155 158 180 186 200 225 237 248 250 279 300 310 316 360 372 375 395 450 465 474 500 558 600 620 632 711 744 750 775 790 900 930 948 961 1000 1116 1125 1185 1240 1395 1422 1500 1550 1580 1800 1860 1896 1922 1975 2232 2250 2325 2370 2449 2790 2844 2883 3000 3100 3160 3555 3720 3844 3875 3950 4500 4650 4740 4805 4898 5580 5688 5766 5925 6200 6975 7110 7347 7688 7750 7900 8649 9000 9300 9480 9610 9796 9875 11160 11532 11625 11850 12245 13950 14220 14415 14694 15500 15800 17298 17775 18600 19220 19592 19750 22041 23064 23250 23700 24025 24490 27900 28440 28830 29388 29625 29791 31000 34596 34875 35550 36735 38440 39500 43245 44082 46500 47400 48050 48980 55800 57660 58776 59250 59582 61225 69192 69750 71100 72075 73470 75919 79000 86490 88164 88875 89373 93000 96100 97960 110205 115320 118500 119164 120125 122450 139500 142200 144150 146940 148955 151838 172980 176328 177750 178746 183675 192200 216225 220410 227757 237000 238328 240250 244900 268119 279000 288300 293880 297910 303676 306125 345960 355500 357492 360375 367350 379595 432450 440820 446865 455514 480500 489800 536238 551025 576600 595820 607352 612250 683271 711000 714984 720750 734700 744775 759190 864900 881640 893730 911028 918375 961000 1072476 1081125 1102050 1138785 1191640 1224500 1340595 1366542 1441500 1469400 1489550 1518380 1729800 1787460 1822056 1836750 1897975 2144952 2162250 2204100 2234325 2277570 2353489 2449000 2681190 2733084 2755125 2883000 2979100 3036760 3416355 3574920 3673500 3723875 3795950 4324500 4408200 4468650 4555140 4706978 5362380 5466168 5510250 5693925 5958200 6702975 6832710 7060467 7347000 7447750 7591900 8649000 8937300 9110280 9413956 9489875 10724760 11020500 11171625 11387850 11767445 13405950 13665420 14120934 14895500 15183800 17081775 17874600 18827912 18979750 21181401 22041000 22343250 22775700 23534890 26811900 27330840 28241868 28469625 29791000 33514875 34163550 35302335 37959500 42362802 44686500 45551400 47069780 53623800 56483736 56939250 58837225 67029750 68327100 70604670 75919000 84725604 85408875 89373000 94139560 105907005 113878500 117674450 134059500 136654200 141209340 169451208 170817750 176511675 211814010 227757000 235348900 268119000 282418680 294186125 341635500 353023350 423628020 470697800 529535025 588372250 683271000 706046700 847256040 882558375 1059070050 1176744500 1412093400 1765116750 2118140100 2353489000 2647675125 3530233500 4236280200 5295350250 7060467000 10590700500 21181401000
- Sum of all divisors σ(n): 74915942400
- Sum of proper divisors (its aliquot sum) s(n): 53734541400
- 21181401000 is an abundant number, because the sum of its proper divisors (53734541400) is greater than itself. Its abundance is 32553140400
Bases of 21181401000
- Binary: 100111011101000001010000111101010002
- Hexadecimal: 0x4EE8287A8
- Base-36: 9QAUXM0
Squares and roots of 21181401000
- 21181401000 squared (211814010002) is 448651748322801000000
- 21181401000 cubed (211814010003) is 9503072590576325424201000000000
-
The
square root of 21181401000 is 145538.3145429409 -
The
cube root of 21181401000 is 2766.8454054619
Scales and comparisons
How big is 21181401000?- 21,181,401,000 seconds is equal to 673 years, 26 weeks, 1 day, 2 hours, 30 minutes.
-
To count from 1 to 21,181,401,000 would take you about one thousand, three hundred forty-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 21181401000 cubic inches would be around 230.6 feet tall.
Recreational maths with 21181401000
- 21181401000 backwards is 00010418112
- 21181401000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21181401000's digits is 18
- More coming soon!
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