990871404640
990,871,404,640 is an even composite number composed of seven prime numbers multiplied together.
990871404640 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 990871404640:
25 × 5 × 13 × 19 × 53 × 97 × 4877
(2 × 2 × 2 × 2 × 2 × 5 × 13 × 19 × 53 × 97 × 4877)See below for interesting mathematical facts about the number 990871404640 from the Numbermatics database.
Names of 990871404640
- Cardinal: 990871404640 can be written as Nine hundred ninety billion, eight hundred seventy-one million, four hundred four thousand, six hundred forty.
Scientific notation
- Scientific notation: 9.9087140464 × 1011
Factors of 990871404640
Divisors of 990871404640
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 4 5 8 10 13 16 19 20 26 32 38 40 52 53 65 76 80 95 97 104 106 130 152 160 190 194 208 212 247 260 265 304 380 388 416 424 485 494 520 530 608 689 760 776 848 970 988 1007 1040 1060 1235 1261 1378 1520 1552 1696 1843 1940 1976 2014 2080 2120 2470 2522 2756 3040 3104 3445 3686 3880 3952 4028 4240 4877 4940 5035 5044 5141 5512 6305 6890 7372 7760 7904 8056 8480 9215 9754 9880 10070 10088 10282 11024 12610 13091 13780 14744 15520 16112 18430 19508 19760 20140 20176 20564 22048 23959 24385 25220 25705 26182 27560 29488 32224 36860 39016 39520 40280 40352 41128 47918 48770 50440 51410 52364 55120 58976 63401 65455 66833 73720 78032 80560 82256 92663 95836 97540 97679 100880 102820 104728 110240 119795 126802 130910 133666 147440 156064 161120 164512 185326 191672 195080 195358 201760 205640 209456 239590 253604 258481 261820 267332 294880 317005 334165 370652 383344 390160 390716 411280 418912 463315 473069 479180 488395 507208 516962 523640 534664 634010 668330 741304 766688 780320 781432 822560 926630 946138 958360 976790 1014416 1033924 1047280 1069328 1204619 1268020 1269827 1292405 1336660 1482608 1562864 1853260 1892276 1916720 1953580 2028832 2067848 2094560 2138656 2365345 2409238 2536040 2539654 2584810 2673320 2965216 3125728 3360253 3706520 3784552 3833440 3907160 4135696 4730690 4818476 4911139 5072080 5079308 5169620 5346640 6023095 6149897 6349135 6720506 7413040 7569104 7814320 8271392 8988311 9461380 9636952 9822278 10144160 10158616 10339240 10693280 12046190 12299794 12698270 13441012 14826080 15138208 15628640 16801265 17976622 18922760 19273904 19644556 20317232 20678480 24092380 24555695 24599588 25072657 25396540 26882024 30749485 33602530 35953244 37845520 38547808 39289112 40634464 41356960 44941555 48184760 49111390 49199176 50145314 50793080 53764048 61498970 63844807 67205060 71906488 75691040 78578224 89883110 96369520 98222780 98398352 100290628 101586160 107528096 116848043 122997940 125363285 127689614 134410120 143812976 157156448 179766220 192739040 196445560 196796704 200581256 203172320 233696086 245995880 250726570 255379228 268820240 287625952 319224035 325944541 359532440 392891120 401162512 467392172 476380483 491991760 501453140 510758456 537640480 584240215 638448070 651889082 719064880 785782240 802325024 934784344 952760966 983983520 1002906280 1021516912 1168480430 1276896140 1303778164 1438129760 1629722705 1869568688 1905521932 2005812560 2043033824 2336960860 2381902415 2553792280 2607556328 3259445410 3739137376 3811043864 4011625120 4673921720 4763804830 5107584560 5215112656 6192946279 6518890820 7622087728 9347843440 9527609660 10215169120 10430225312 12385892558 13037781640 15244175456 18695686880 19055219320 24771785116 26075563280 30964731395 38110438640 49543570232 52151126560 61929462790 76220877280 99087140464 123858925580 198174280928 247717851160 495435702320 990871404640
- Sum of all divisors σ(n): 2732193555840
- Sum of proper divisors (its aliquot sum) s(n): 1741322151200
- 990871404640 is an abundant number, because the sum of its proper divisors (1741322151200) is greater than itself. Its abundance is 750450746560
Bases of 990871404640
- Binary: 11100110101101001000100111000000011000002
- Hexadecimal: 0xE6B489C060
- Base-36: CN77910G
Squares and roots of 990871404640
- 990871404640 squared (9908714046402) is 981826140533246613529600
- 990871404640 cubed (9908714046403) is 972863446982448110567597980217344000
-
The
square root of 990871404640 is 995425.2380967643 -
The
cube root of 990871404640 is 9969.4782860755
Scales and comparisons
How big is 990871404640?- 990,871,404,640 seconds is equal to 31,506 years, 33 weeks, 4 days, 50 minutes, 40 seconds.
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To count from 1 to 990,871,404,640 would take you about sixty-three thousand and thirteen 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 990871404640 cubic inches would be around 830.8 feet tall.
Recreational maths with 990871404640
- 990871404640 backwards is 046404178099
- 990871404640 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 990871404640's digits is 52
- More coming soon!
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The information we have on file for 990871404640 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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