990389436540
990,389,436,540 is an even composite number composed of seven prime numbers multiplied together.
990389436540 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 990389436540:
22 × 3 × 5 × 7 × 312 × 127 × 1392
(2 × 2 × 3 × 5 × 7 × 31 × 31 × 127 × 139 × 139)See below for interesting mathematical facts about the number 990389436540 from the Numbermatics database.
Names of 990389436540
- Cardinal: 990389436540 can be written as Nine hundred ninety billion, three hundred eighty-nine million, four hundred thirty-six thousand, five hundred forty.
Scientific notation
- Scientific notation: 9.9038943654 × 1011
Factors of 990389436540
Divisors of 990389436540
- Number of divisors d(n): 432
-
Complete list of divisors:
1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 31 35 42 60 62 70 84 93 105 124 127 139 140 155 186 210 217 254 278 310 372 381 417 420 434 465 508 556 620 635 651 695 762 834 868 889 930 961 973 1085 1270 1302 1390 1524 1668 1778 1860 1905 1922 1946 2085 2170 2540 2604 2667 2780 2883 2919 3255 3556 3810 3844 3892 3937 4170 4309 4340 4445 4805 4865 5334 5766 5838 6510 6727 7620 7874 8340 8618 8890 9610 9730 10668 11532 11676 11811 12927 13020 13335 13454 14415 14595 15748 17236 17653 17780 19220 19321 19460 19685 20181 21545 23622 25854 26670 26908 27559 28830 29190 30163 33635 35306 38642 39370 40362 43090 47244 51708 52959 53340 55118 57660 57963 58380 59055 60326 64635 67270 70612 77284 78740 80724 82677 86180 88265 90489 96605 100905 105918 110236 115926 118110 120652 122047 123571 129270 133579 134540 135247 137795 150815 165354 176530 180978 193210 201810 211836 231852 236220 244094 247142 258540 264795 267158 270494 275590 289815 301630 330708 353060 361956 366141 370713 386420 400737 403620 405741 413385 452445 488188 494284 529590 534316 540988 547243 551180 579630 598951 603260 610235 617855 667895 676235 732282 741426 801474 811482 826770 854329 904890 935053 1059180 1094486 1159260 1197902 1220470 1235710 1335790 1352470 1464564 1482852 1602948 1622964 1641729 1653540 1708658 1796853 1809780 1830705 1853565 1870106 2003685 2028705 2188972 2395804 2440940 2453767 2471420 2562987 2671580 2704940 2736215 2805159 2994755 3283458 3417316 3593706 3661410 3707130 3740212 3830701 4007370 4057410 4192657 4271645 4675265 4907534 5125974 5472430 5610318 5989510 6566916 7187412 7322820 7361301 7414260 7661402 8014740 8114820 8208645 8385314 8543290 8984265 9350530 9815068 10251948 10944860 11220636 11492103 11979020 12268835 12577971 12814935 14025795 14722602 15322804 16417290 16770628 16964533 17086580 17176369 17968530 18567481 18701060 19153505 20963285 22984206 24537670 25155942 25629870 28051590 29445204 32834580 33929066 34352738 35937060 36806505 37134962 38307010 41926570 45968412 49075340 50311884 50893599 51259740 51529107 55702443 56103180 57460515 62889855 67858132 68705476 73613010 74269924 76066777 76614020 83853140 84822665 85881845 92837405 101787198 103058214 111404886 114921030 118751731 125779710 129972367 147226020 152133554 169645330 171763690 185674810 203574396 206116428 222809772 228200331 229842060 237503462 251559420 254467995 257645535 259944734 278512215 304267108 339290660 343527380 356255193 371349620 380333885 389917101 456400662 475006924 508935990 515291070 519889468 532467439 557024430 593758655 649861835 712510386 760667770 779834202 912801324 1017871980 1030582140 1064934878 1114048860 1141001655 1187517310 1299723670 1425020772 1521335540 1559668404 1597402317 1781275965 1949585505 2129869756 2282003310 2358070087 2375034620 2599447340 2662337195 3194804634 3562551930 3899171010 4564006620 4716140174 5324674390 6389609268 7074210261 7125103860 7798342020 7987011585 9432280348 10649348780 11790350435 14148420522 15974023170 16506490609 23580700870 28296841044 31948046340 33012981218 35371051305 47161401740 49519471827 66025962436 70742102610 82532453045 99038943654 141484205220 165064906090 198077887308 247597359135 330129812180 495194718270 990389436540
- Sum of all divisors σ(n): 3324479348736
- Sum of proper divisors (its aliquot sum) s(n): 2334089912196
- 990389436540 is an abundant number, because the sum of its proper divisors (2334089912196) is greater than itself. Its abundance is 1343700475656
Bases of 990389436540
- Binary: 11100110100101111100111110000000011111002
- Hexadecimal: 0xE697CF807C
- Base-36: CMZ8AS1O
Squares and roots of 990389436540
- 990389436540 squared (9903894365402) is 980871236010018687171600
- 990389436540 cubed (9903894365403) is 971444510750255765382751450290264000
-
The
square root of 990389436540 is 995183.1170895133 -
The
cube root of 990389436540 is 9967.8616115151
Scales and comparisons
How big is 990389436540?- 990,389,436,540 seconds is equal to 31,491 years, 16 weeks, 4 days, 16 hours, 49 minutes.
-
To count from 1 to 990,389,436,540 would take you about sixty-two thousand, nine hundred eighty-two 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 990389436540 cubic inches would be around 830.7 feet tall.
Recreational maths with 990389436540
- 990389436540 backwards is 045634983099
- 990389436540 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 990389436540's digits is 60
- More coming soon!
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