1997982720
1,997,982,720 is an even composite number composed of five prime numbers multiplied together.
1997982720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred fifty-two divisors.
Prime factorization of 1997982720:
210 × 33 × 5 × 97 × 149
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 97 × 149)See below for interesting mathematical facts about the number 1997982720 from the Numbermatics database.
Names of 1997982720
- Cardinal: 1997982720 can be written as One billion, nine hundred ninety-seven million, nine hundred eighty-two thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.99798272 × 109
Factors of 1997982720
Divisors of 1997982720
- Number of divisors d(n): 352
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 97 108 120 128 135 144 149 160 180 192 194 216 240 256 270 288 291 298 320 360 384 388 432 447 480 485 512 540 576 582 596 640 720 745 768 776 864 873 894 960 970 1024 1080 1152 1164 1192 1280 1341 1440 1455 1490 1536 1552 1728 1746 1788 1920 1940 2160 2235 2304 2328 2384 2560 2619 2682 2880 2910 2980 3072 3104 3456 3492 3576 3840 3880 4023 4320 4365 4470 4608 4656 4768 5120 5238 5364 5760 5820 5960 6208 6705 6912 6984 7152 7680 7760 8046 8640 8730 8940 9216 9312 9536 10476 10728 11520 11640 11920 12416 13095 13410 13824 13968 14304 14453 15360 15520 16092 17280 17460 17880 18624 19072 20115 20952 21456 23040 23280 23840 24832 26190 26820 27648 27936 28608 28906 31040 32184 34560 34920 35760 37248 38144 40230 41904 42912 43359 46080 46560 47680 49664 52380 53640 55872 57216 57812 62080 64368 69120 69840 71520 72265 74496 76288 80460 83808 85824 86718 93120 95360 99328 104760 107280 111744 114432 115624 124160 128736 130077 138240 139680 143040 144530 148992 152576 160920 167616 171648 173436 186240 190720 209520 214560 216795 223488 228864 231248 248320 257472 260154 279360 286080 289060 297984 321840 335232 343296 346872 372480 381440 390231 419040 429120 433590 446976 457728 462496 496640 514944 520308 558720 572160 578120 643680 650385 670464 686592 693744 744960 762880 780462 838080 858240 867180 893952 924992 1029888 1040616 1117440 1144320 1156240 1287360 1300770 1340928 1373184 1387488 1489920 1560924 1676160 1716480 1734360 1849984 1951155 2059776 2081232 2234880 2288640 2312480 2574720 2601540 2681856 2774976 3121848 3352320 3432960 3468720 3699968 3902310 4119552 4162464 4469760 4624960 5149440 5203080 5549952 6243696 6704640 6865920 6937440 7399936 7804620 8324928 9249920 10298880 10406160 11099904 12487392 13409280 13874880 14799872 15609240 16649856 18499840 20597760 20812320 22199808 24974784 27749760 31218480 33299712 36999680 41624640 44399616 49949568 55499520 62436960 66599424 73999360 83249280 99899136 110999040 124873920 133198848 166498560 199798272 221998080 249747840 332997120 399596544 499495680 665994240 998991360 1997982720
- Sum of all divisors σ(n): 7221816000
- Sum of proper divisors (its aliquot sum) s(n): 5223833280
- 1997982720 is an abundant number, because the sum of its proper divisors (5223833280) is greater than itself. Its abundance is 3225850560
Bases of 1997982720
- Binary: 11101110001011011001100000000002
- Hexadecimal: 0x7716CC00
- Base-36: X1JPC0
Squares and roots of 1997982720
- 1997982720 squared (19979827202) is 3991934949418598400
- 1997982720 cubed (19979827203) is 7975817048302433649819648000
-
The
square root of 1997982720 is 44698.7999838921 -
The
cube root of 1997982720 is 1259.4973051383
Scales and comparisons
How big is 1997982720?- 1,997,982,720 seconds is equal to 63 years, 27 weeks, 3 days, 19 hours, 12 minutes.
-
To count from 1 to 1,997,982,720 would take you about one hundred twenty-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 1997982720 cubic inches would be around 105 feet tall.
Recreational maths with 1997982720
- 1997982720 backwards is 0272897991
- 1997982720 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1997982720's digits is 54
- More coming soon!
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