81683448120
81,683,448,120 is an even composite number composed of seven prime numbers multiplied together.
81683448120 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 81683448120:
23 × 32 × 5 × 37 × 61 × 229 × 439
(2 × 2 × 2 × 3 × 3 × 5 × 37 × 61 × 229 × 439)See below for interesting mathematical facts about the number 81683448120 from the Numbermatics database.
Names of 81683448120
- Cardinal: 81683448120 can be written as Eighty-one billion, six hundred eighty-three million, four hundred forty-eight thousand, one hundred twenty.
Scientific notation
- Scientific notation: 8.168344812 × 1010
Factors of 81683448120
Divisors of 81683448120
- 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 30 36 37 40 45 60 61 72 74 90 111 120 122 148 180 183 185 222 229 244 296 305 333 360 366 370 439 444 458 488 549 555 610 666 687 732 740 878 888 915 916 1098 1110 1145 1220 1317 1332 1374 1464 1480 1665 1756 1830 1832 2061 2195 2196 2220 2257 2290 2440 2634 2664 2745 2748 3330 3435 3512 3660 3951 4122 4390 4392 4440 4514 4580 5268 5490 5496 6585 6660 6771 6870 7320 7902 8244 8473 8780 9028 9160 10305 10536 10980 11285 13170 13320 13542 13740 13969 15804 16243 16488 16946 17560 18056 19755 20313 20610 21960 22570 25419 26340 26779 27084 27480 27938 31608 32486 33855 33892 39510 40626 41220 41907 42365 45140 48729 50838 52680 53558 54168 55876 64972 67710 67784 69845 76257 79020 80337 81215 81252 82440 83814 84730 90280 97458 100531 101565 101676 107116 111752 125721 127095 129944 133895 135420 139690 146187 152514 158040 160674 162430 162504 167628 169460 194916 201062 203130 203352 209535 214232 241011 243645 251442 254190 267790 270840 279380 292374 301593 305028 321348 324860 335256 338920 381285 389832 401685 402124 406260 419070 482022 487290 502655 502884 508380 516853 535580 558760 584748 603186 610056 628605 642696 649720 730935 762570 803370 804248 812520 838140 904779 964044 974580 990823 1005310 1005768 1016760 1033706 1071160 1169496 1205055 1206372 1257210 1461870 1507965 1525140 1550559 1606740 1676280 1809558 1928088 1949160 1981646 2010620 2067412 2410110 2412744 2514420 2584265 2923740 2972469 3015930 3050280 3101118 3213480 3619116 3719647 3963292 4021240 4134824 4523895 4651677 4820220 4954115 5028840 5168530 5847480 5944938 6031860 6132391 6202236 7238232 7439294 7752795 7926584 8917407 9047790 9303354 9640440 9908230 10337060 11158941 11889876 12063720 12264782 12404472 14862345 14878588 15505590 17834814 18095580 18397173 18598235 18606708 19816460 20674120 22317882 23258385 23779752 24529564 29724690 29757176 30661955 31011180 33476823 35669628 36191160 36794346 37196470 37213416 39632920 44587035 44635764 46516770 49059128 55191519 55794705 59449380 61323910 62022360 66953646 71339256 73588692 74392940 89174070 89271528 91985865 93033540 110383038 111589410 118898760 122647820 133907292 147177384 148785880 167384115 178348140 183971730 186067080 220766076 223178820 226898467 245295640 267814584 275957595 334768230 356696280 367943460 441532152 446357640 453796934 551915190 669536460 680695401 735886920 907593868 1103830380 1134492335 1339072920 1361390802 1815187736 2042086203 2207660760 2268984670 2722781604 3403477005 4084172406 4537969340 5445563208 6806954010 8168344812 9075938680 10210431015 13613908020 16336689624 20420862030 27227816040 40841724060 81683448120
- Sum of all divisors σ(n): 278959824000
- Sum of proper divisors (its aliquot sum) s(n): 197276375880
- 81683448120 is an abundant number, because the sum of its proper divisors (197276375880) is greater than itself. Its abundance is 115592927760
Bases of 81683448120
- Binary: 10011000001001011011010000001001110002
- Hexadecimal: 0x1304B68138
- Base-36: 11IW7RY0
Squares and roots of 81683448120
- 81683448120 squared (816834481202) is 6672185696772731534400
- 81683448120 cubed (816834481203) is 545007134209341467720850395328000
-
The
square root of 81683448120 is 285803.1632435163 -
The
cube root of 81683448120 is 4338.8838139861
Scales and comparisons
How big is 81683448120?- 81,683,448,120 seconds is equal to 2,597 years, 14 weeks, 4 days, 6 hours, 42 minutes.
-
To count from 1 to 81,683,448,120 would take you about five thousand, one hundred ninety-four 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 81683448120 cubic inches would be around 361.6 feet tall.
Recreational maths with 81683448120
- 81683448120 backwards is 02184438618
- 81683448120 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 81683448120's digits is 45
- More coming soon!
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