2155446720
2,155,446,720 is an even composite number composed of six prime numbers multiplied together.
2155446720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred forty-eight divisors.
Prime factorization of 2155446720:
26 × 33 × 5 × 7 × 157 × 227
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 157 × 227)See below for interesting mathematical facts about the number 2155446720 from the Numbermatics database.
Names of 2155446720
- Cardinal: 2155446720 can be written as Two billion, one hundred fifty-five million, four hundred forty-six thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.15544672 × 109
Factors of 2155446720
Divisors of 2155446720
- Number of divisors d(n): 448
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 54 56 60 63 64 70 72 80 84 90 96 105 108 112 120 126 135 140 144 157 160 168 180 189 192 210 216 224 227 240 252 270 280 288 314 315 320 336 360 378 420 432 448 454 471 480 504 540 560 576 628 630 672 681 720 756 785 840 864 908 942 945 960 1008 1080 1099 1120 1135 1256 1260 1344 1362 1413 1440 1512 1570 1589 1680 1728 1816 1884 1890 2016 2043 2160 2198 2240 2270 2355 2512 2520 2724 2826 2880 3024 3140 3178 3297 3360 3405 3632 3768 3780 4032 4086 4239 4320 4396 4540 4710 4767 5024 5040 5448 5495 5652 6048 6129 6280 6356 6594 6720 6810 7065 7264 7536 7560 7945 8172 8478 8640 8792 9080 9420 9534 9891 10048 10080 10215 10896 10990 11304 12096 12258 12560 12712 13188 13620 14130 14301 14528 15072 15120 15890 16344 16485 16956 17584 18160 18840 19068 19782 20160 20430 21195 21792 21980 22608 23835 24516 25120 25424 26376 27240 28260 28602 29673 30144 30240 30645 31780 32688 32970 33912 35168 35639 36320 37680 38136 39564 40860 42390 42903 43584 43960 45216 47670 49032 49455 50240 50848 52752 54480 56520 57204 59346 60480 61290 63560 65376 65940 67824 70336 71278 71505 72640 75360 76272 79128 81720 84780 85806 87920 90432 95340 98064 98910 101696 105504 106917 108960 113040 114408 118692 122580 127120 130752 131880 135648 142556 143010 148365 150720 152544 158256 163440 169560 171612 175840 178195 190680 196128 197820 211008 213834 214515 217920 226080 228816 237384 245160 249473 254240 263760 271296 285112 286020 296730 305088 316512 320751 326880 339120 343224 351680 356390 381360 392256 395640 427668 429030 452160 457632 474768 490320 498946 508480 527520 534585 570224 572040 593460 633024 641502 653760 678240 686448 712780 748419 762720 791280 855336 858060 915264 949536 962253 980640 997892 1055040 1069170 1140448 1144080 1186920 1247365 1283004 1356480 1372896 1425560 1496838 1525440 1582560 1603755 1710672 1716120 1899072 1924506 1961280 1995784 2138340 2245257 2280896 2288160 2373840 2494730 2566008 2745792 2851120 2993676 3165120 3207510 3421344 3432240 3742095 3849012 3991568 4276680 4490514 4576320 4747680 4811265 4989460 5132016 5702240 5987352 6415020 6735771 6842688 6864480 7484190 7698024 7983136 8553360 8981028 9495360 9622530 9978920 10264032 11226285 11404480 11974704 12830040 13471542 13728960 14968380 15396048 15966272 17106720 17962056 19245060 19957840 20528064 22452570 23949408 25660080 26943084 29936760 30792096 33678855 34213440 35924112 38490120 39915680 44905140 47898816 51320160 53886168 59873520 61584192 67357710 71848224 76980240 79831360 89810280 102640320 107772336 119747040 134715420 143696448 153960480 179620560 215544672 239494080 269430840 307920960 359241120 431089344 538861680 718482240 1077723360 2155446720
- Sum of all divisors σ(n): 8784092160
- Sum of proper divisors (its aliquot sum) s(n): 6628645440
- 2155446720 is an abundant number, because the sum of its proper divisors (6628645440) is greater than itself. Its abundance is 4473198720
Bases of 2155446720
- Binary: 100000000111100110000001110000002
- Hexadecimal: 0x807981C0
- Base-36: ZNAPC0
Squares and roots of 2155446720
- 2155446720 squared (21554467202) is 4645950562758758400
- 2155446720 cubed (21554467203) is 10014098901780519944552448000
-
The
square root of 2155446720 is 46426.7888185259 -
The
cube root of 2155446720 is 1291.7518653663
Scales and comparisons
How big is 2155446720?- 2,155,446,720 seconds is equal to 68 years, 27 weeks, 6 days, 7 hours, 12 minutes.
-
To count from 1 to 2,155,446,720 would take you about one hundred thirty-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 2155446720 cubic inches would be around 107.6 feet tall.
Recreational maths with 2155446720
- 2155446720 backwards is 0276445512
- 2155446720 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 2155446720's digits is 36
- More coming soon!
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The information we have on file for 2155446720 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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