990985590
990,985,590 is an even composite number composed of seven prime numbers multiplied together.
990985590 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 990985590:
2 × 35 × 5 × 7 × 17 × 23 × 149
(2 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 17 × 23 × 149)See below for interesting mathematical facts about the number 990985590 from the Numbermatics database.
Names of 990985590
- Cardinal: 990985590 can be written as Nine hundred ninety million, nine hundred eighty-five thousand, five hundred ninety.
Scientific notation
- Scientific notation: 9.9098559 × 108
Factors of 990985590
Divisors of 990985590
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 17 18 21 23 27 30 34 35 42 45 46 51 54 63 69 70 81 85 90 102 105 115 119 126 135 138 149 153 161 162 170 189 207 210 230 238 243 255 270 298 306 315 322 345 357 378 391 405 414 447 459 483 486 510 567 595 621 630 690 714 745 765 782 805 810 894 918 945 966 1035 1043 1071 1134 1173 1190 1215 1242 1341 1377 1449 1490 1530 1610 1701 1785 1863 1890 1955 2070 2086 2142 2235 2295 2346 2415 2430 2533 2682 2737 2754 2835 2898 3105 3129 3213 3402 3427 3519 3570 3726 3910 4023 4131 4347 4470 4590 4830 5066 5215 5355 5474 5589 5670 5865 6210 6258 6426 6705 6854 6885 7038 7245 7599 8046 8211 8262 8505 8694 9315 9387 9639 10281 10430 10557 10710 11178 11730 12069 12665 13041 13410 13685 13770 14490 15198 15645 16065 16422 17010 17135 17595 17731 18630 18774 19278 20115 20562 20655 21114 21735 22797 23989 24138 24633 25330 26082 27370 27945 28161 28917 30843 31290 31671 32130 34270 35190 35462 36207 37995 39123 40230 41055 41310 43470 45594 46935 47978 48195 49266 51405 52785 53193 55890 56322 57834 58259 60345 61686 63342 65205 68391 71967 72414 73899 75990 78246 82110 84483 88655 92529 93870 95013 96390 102810 105570 106386 113985 116518 119945 120690 123165 130410 136782 140805 143934 144585 147798 154215 158355 159579 168966 174777 177310 181035 185058 190026 195615 205173 215901 221697 227970 239890 246330 253449 265965 277587 281610 289170 291295 308430 316710 319158 341955 349554 359835 362070 369495 391230 407813 410346 422415 431802 443394 462645 475065 478737 506898 524331 531930 555174 582590 615519 647703 665091 683910 719670 738990 797895 815626 832761 844830 873885 925290 950130 957474 1025865 1048662 1079505 1108485 1223439 1231038 1267245 1295406 1330182 1387935 1436211 1572993 1595790 1665522 1747770 1943109 2039065 2051730 2159010 2216970 2393685 2446878 2534490 2621655 2775870 2872422 3077595 3145986 3238515 3325455 3670317 3886218 4078130 4163805 4308633 4718979 4787370 5243310 5829327 6117195 6155190 6477030 6650910 7181055 7340634 7864965 8327610 8617266 9437958 9715545 11010951 11658654 12234390 14156937 14362110 15729930 18351585 19431090 21543165 22021902 23594895 28313874 29146635 33032853 36703170 43086330 47189790 55054755 58293270 66065706 70784685 99098559 110109510 141569370 165164265 198197118 330328530 495492795 990985590
- Sum of all divisors σ(n): 3396556800
- Sum of proper divisors (its aliquot sum) s(n): 2405571210
- 990985590 is an abundant number, because the sum of its proper divisors (2405571210) is greater than itself. Its abundance is 1414585620
Bases of 990985590
- Binary: 1110110001000100111101011101102
- Hexadecimal: 0x3B113D76
- Base-36: GE09DI
Squares and roots of 990985590
- 990985590 squared (9909855902) is 982052439587648100
- 990985590 cubed (9909855903) is 973199816255704809090879000
-
The
square root of 990985590 is 31479.9236021945 -
The
cube root of 990985590 is 996.9861223335
Scales and comparisons
How big is 990985590?- 990,985,590 seconds is equal to 31 years, 26 weeks, 3 days, 17 hours, 46 minutes, 30 seconds.
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To count from 1 to 990,985,590 would take you about forty-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 990985590 cubic inches would be around 83.1 feet tall.
Recreational maths with 990985590
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