2155420147720
2,155,420,147,720 is an even composite number composed of seven prime numbers multiplied together.
2155420147720 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 2155420147720:
23 × 5 × 72 × 29 × 61 × 193 × 3221
(2 × 2 × 2 × 5 × 7 × 7 × 29 × 61 × 193 × 3221)See below for interesting mathematical facts about the number 2155420147720 from the Numbermatics database.
Names of 2155420147720
- Cardinal: 2155420147720 can be written as Two trillion, one hundred fifty-five billion, four hundred twenty million, one hundred forty-seven thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.15542014772 × 1012
Factors of 2155420147720
Divisors of 2155420147720
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 4 5 7 8 10 14 20 28 29 35 40 49 56 58 61 70 98 116 122 140 145 193 196 203 232 244 245 280 290 305 386 392 406 427 488 490 580 610 772 812 854 965 980 1015 1160 1220 1351 1421 1544 1624 1708 1769 1930 1960 2030 2135 2440 2702 2842 2989 3221 3416 3538 3860 4060 4270 5404 5597 5684 5978 6442 6755 7076 7105 7720 8120 8540 8845 9457 10808 11194 11368 11773 11956 12383 12884 13510 14152 14210 14945 16105 17080 17690 18914 22388 22547 23546 23912 24766 25768 27020 27985 28420 29890 32210 35380 37828 39179 44776 45094 47092 47285 49532 54040 55970 56840 58865 59780 61915 64420 70760 75656 78358 82411 86681 90188 93409 94184 94570 99064 111940 112735 117730 119560 123830 128840 156716 157829 164822 173362 180376 186818 189140 195895 196481 223880 225470 235460 247660 274253 313432 315658 329644 341417 346724 373636 378280 391790 392962 412055 433405 450940 467045 470920 495320 548506 576877 621653 631316 653863 659288 682834 693448 747272 783580 785924 789145 824110 866810 901880 934090 982405 1097012 1153754 1243306 1262632 1307726 1365668 1371265 1375367 1567160 1571848 1578290 1648220 1707085 1733620 1868180 1964810 2194024 2307508 2389919 2486612 2615452 2731336 2742530 2750734 2884385 3108265 3156580 3269315 3296440 3414170 3467240 3736360 3929620 4351571 4577041 4615016 4779838 4973224 5230904 5485060 5501468 5697949 5768770 6216530 6313160 6538630 6828340 6876835 7859240 8703142 9154082 9559676 9627569 10970120 11002936 11395898 11537540 11949595 12433060 13077260 13656680 13753670 16729433 17406284 18027937 18308164 19119352 19255138 21757855 22791796 22885205 23075080 23899190 24866120 26154520 27507340 28489745 30460997 33458866 34812568 36055874 36616328 37920833 38510276 39885643 43515710 45583592 45770410 47798380 48137845 55014680 56979490 60921994 66917732 72111748 75841666 77020552 79771286 83647165 87031420 90139685 91540820 95596760 96275690 113958980 121843988 126195559 133835464 144223496 151683332 152304985 159542572 167294330 174062840 180279370 183081640 189604165 192551380 199428215 227917960 243687976 252391118 265445831 279199501 303366664 304609970 319085144 334588660 360558740 379208330 385102760 398856430 504782236 530891662 558399002 609219940 630977795 669177320 721117480 758416660 797712860 883368913 1009564472 1061783324 1099704157 1116798004 1218439880 1261955590 1327229155 1395997505 1516833320 1595425720 1766737826 1858120817 2123566648 2199408314 2233596008 2523911180 2654458310 2791995010 3533475652 3716241634 4398816628 4416844565 5047822360 5308916620 5498520785 5583990020 7066951304 7432483268 7697929099 8797633256 8833689130 9290604085 10617833240 10997041570 11167980040 14864966536 15395858198 17667378260 18581208170 21994083140 30791716396 35334756520 37162416340 38489645495 43988166280 53885503693 61583432792 74324832680 76979290990 107771007386 153958581980 215542014772 269427518465 307917163960 431084029544 538855036930 1077710073860 2155420147720
- Sum of all divisors σ(n): 5964273842400
- Sum of proper divisors (its aliquot sum) s(n): 3808853694680
- 2155420147720 is an abundant number, because the sum of its proper divisors (3808853694680) is greater than itself. Its abundance is 1653433546960
Bases of 2155420147720
- Binary: 111110101110110010000110101100000000010002
- Hexadecimal: 0x1F5D90D6008
- Base-36: RI6PI614
Squares and roots of 2155420147720
- 2155420147720 squared (21554201477202) is 4645836013197306621198400
- 2155420147720 cubed (21554201477203) is 10013728545848634506969589411427648000
-
The
square root of 2155420147720 is 1468134.9214973397 -
The
cube root of 2155420147720 is 12917.4655711899
Scales and comparisons
How big is 2155420147720?- 2,155,420,147,720 seconds is equal to 68,535 years, 36 weeks, 10 hours, 48 minutes, 40 seconds.
-
To count from 1 to 2,155,420,147,720 would take you about one hundred seventy-one thousand, three hundred thirty-nine 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 2155420147720 cubic inches would be around 1076.5 feet tall.
Recreational maths with 2155420147720
- 2155420147720 backwards is 0277410245512
- 2155420147720 is a
Harshad number . - The number of decimal digits it has is: 13
- The sum of 2155420147720's digits is 40
- More coming soon!
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The information we have on file for 2155420147720 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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