218742349420
218,742,349,420 is an even composite number composed of seven prime numbers multiplied together.
218742349420 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 218742349420:
22 × 5 × 72 × 31 × 53 × 73 × 1861
(2 × 2 × 5 × 7 × 7 × 31 × 53 × 73 × 1861)See below for interesting mathematical facts about the number 218742349420 from the Numbermatics database.
Names of 218742349420
- Cardinal: 218742349420 can be written as Two hundred eighteen billion, seven hundred forty-two million, three hundred forty-nine thousand, four hundred twenty.
Scientific notation
- Scientific notation: 2.1874234942 × 1011
Factors of 218742349420
Divisors of 218742349420
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 5 7 10 14 20 28 31 35 49 53 62 70 73 98 106 124 140 146 155 196 212 217 245 265 292 310 365 371 434 490 511 530 620 730 742 868 980 1022 1060 1085 1460 1484 1519 1643 1855 1861 2044 2170 2263 2555 2597 3038 3286 3577 3710 3722 3869 4340 4526 5110 5194 6076 6572 7154 7420 7444 7595 7738 8215 9052 9305 10220 10388 11315 11501 12985 13027 14308 15190 15476 15841 16430 17885 18610 19345 22630 23002 25970 26054 27083 30380 31682 32860 35770 37220 38690 45260 46004 51940 52108 54166 57505 57691 63364 65135 71540 77380 79205 80507 91189 98633 108332 110887 115010 115382 119939 130270 135415 135853 158410 161014 182378 189581 197266 221774 230020 230764 239878 260540 270830 271706 288455 316820 322028 364756 379162 394532 402535 403837 443548 455945 479756 493165 541660 543412 554435 576910 599695 679265 690431 758324 805070 807674 839573 911890 947905 950971 986330 1108870 1153820 1199390 1358530 1380862 1610140 1615348 1679146 1823780 1895810 1901942 1972660 2019185 2217740 2398780 2717060 2761724 2826859 3057623 3358292 3452155 3791620 3803884 4038370 4197865 4211443 4754855 4833017 5653718 5877011 6115246 6656797 6904310 7200209 8076740 8395730 8422886 9509710 9666034 11307436 11754022 12230492 13313594 13808620 14134295 14400418 15288115 16791460 16845772 19019420 19332068 21057215 21403361 23508044 24165085 26627188 28268590 28800836 29385055 29480101 30576230 33283985 36001045 42114430 42806722 48330170 50401463 56537180 58770110 58960202 61152460 66567970 72002090 84228860 85613444 96660340 100802926 107016805 117540220 117920404 133135940 144004180 147400505 149823527 201605852 206360707 214033610 223206479 252007315 294801010 299647054 352810241 412721414 428067220 446412958 504014630 589602020 599294108 705620482 749117635 825442828 892825916 1008029260 1031803535 1116032395 1411240964 1498235270 1562445353 1764051205 2063607070 2232064790 2996470540 3124890706 3528102410 4127214140 4464129580 6249781412 7056204820 7812226765 10937117471 15624453530 21874234942 31248907060 43748469884 54685587355 109371174710 218742349420
- Sum of all divisors σ(n): 570005807616
- Sum of proper divisors (its aliquot sum) s(n): 351263458196
- 218742349420 is an abundant number, because the sum of its proper divisors (351263458196) is greater than itself. Its abundance is 132521108776
Bases of 218742349420
- Binary: 110010111011100000111101011110011011002
- Hexadecimal: 0x32EE0F5E6C
- Base-36: 2SHLJP0S
Squares and roots of 218742349420
- 218742349420 squared (2187423494202) is 47848215429781374336400
- 218742349420 cubed (2187423494203) is 10466431058664672859300629424888000
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The
square root of 218742349420 is 467698.9944611813 -
The
cube root of 218742349420 is 6025.2854158621
Scales and comparisons
How big is 218742349420?- 218,742,349,420 seconds is equal to 6,955 years, 17 weeks, 1 day, 3 hours, 43 minutes, 40 seconds.
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To count from 1 to 218,742,349,420 would take you about thirteen thousand, nine hundred ten 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 218742349420 cubic inches would be around 502.1 feet tall.
Recreational maths with 218742349420
- 218742349420 backwards is 024943247812
- The number of decimal digits it has is: 12
- The sum of 218742349420's digits is 46
- More coming soon!
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