1998400404
1,998,400,404 is an even composite number composed of eight prime numbers multiplied together.
1998400404 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 1998400404:
22 × 3 × 7 × 11 × 13 × 43 × 53 × 73
(2 × 2 × 3 × 7 × 11 × 13 × 43 × 53 × 73)See below for interesting mathematical facts about the number 1998400404 from the Numbermatics database.
Names of 1998400404
- Cardinal: 1998400404 can be written as One billion, nine hundred ninety-eight million, four hundred thousand, four hundred four.
Scientific notation
- Scientific notation: 1.998400404 × 109
Factors of 1998400404
Divisors of 1998400404
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 6 7 11 12 13 14 21 22 26 28 33 39 42 43 44 52 53 66 73 77 78 84 86 91 106 129 132 143 146 154 156 159 172 182 212 219 231 258 273 286 292 301 308 318 364 371 429 438 462 473 511 516 546 559 572 583 602 636 689 742 803 858 876 903 924 946 949 1001 1022 1092 1113 1118 1166 1204 1378 1419 1484 1533 1606 1677 1716 1749 1806 1892 1898 2002 2044 2067 2226 2236 2279 2332 2409 2756 2838 2847 3003 3066 3139 3212 3311 3354 3498 3612 3796 3869 3913 4004 4081 4134 4452 4558 4818 4823 5621 5676 5694 6006 6132 6149 6278 6622 6643 6708 6837 6996 7579 7738 7826 8162 8268 9116 9417 9636 9646 9933 10439 11242 11388 11607 11739 12012 12243 12298 12556 13244 13286 13674 14469 15158 15476 15652 15953 16324 16863 18447 18834 19292 19866 19929 20878 21973 22484 22737 23214 23478 24486 24596 25069 26572 27083 27348 28938 29627 30316 31317 31906 33726 34529 36894 37668 39732 39858 40807 41756 42559 43043 43946 45474 46428 46956 47859 48972 50138 50297 53053 54166 57876 59254 62634 63812 65919 67452 69058 73073 73788 75207 79716 81249 81614 85118 86086 87892 88881 90948 95718 100276 100594 103587 106106 108332 118508 122421 125268 127677 129129 131838 138116 146146 150414 150891 159159 162498 163228 166367 170236 172172 175483 177762 191436 201188 207174 207389 212212 219219 241703 244842 255354 258258 263676 285649 292292 297913 300828 301782 318318 324996 325897 332734 350966 352079 355524 414348 414778 438438 448877 483406 489684 499101 510708 516516 526449 553267 571298 595826 603564 622167 636636 651794 665468 701932 704158 725109 829556 856947 876876 893739 897754 966812 977691 998202 1052898 1056237 1106534 1142596 1164569 1191652 1244334 1303588 1346631 1408316 1450218 1659801 1713894 1787478 1795508 1830037 1955382 1996404 2105796 2112474 2162771 2213068 2281279 2329138 2488668 2693262 2900436 3142139 3319602 3427788 3493707 3574956 3660074 3872869 3910764 4224948 4325542 4562558 4658276 5386524 5490111 6284278 6488313 6639204 6843837 6987414 7320148 7745738 8651084 9125116 9426417 10980222 11618607 12568556 12810259 12976626 13687674 13974828 15139397 15491476 18852834 21960444 23237214 23790481 25620518 25953252 27375348 30278794 37705668 38430777 45418191 46474428 47580962 51241036 60557588 71371443 76861554 90836382 95161924 142742886 153723108 166533367 181672764 285485772 333066734 499600101 666133468 999200202 1998400404
- Sum of all divisors σ(n): 6616608768
- Sum of proper divisors (its aliquot sum) s(n): 4618208364
- 1998400404 is an abundant number, because the sum of its proper divisors (4618208364) is greater than itself. Its abundance is 2619807960
Bases of 1998400404
- Binary: 11101110001110100101011100101002
- Hexadecimal: 0x771D2B94
- Base-36: X1SNMC
Squares and roots of 1998400404
- 1998400404 squared (19984004042) is 3993604174707363216
- 1998400404 cubed (19984004043) is 7980820196151281232629139264
-
The
square root of 1998400404 is 44703.4719457001 -
The
cube root of 1998400404 is 1259.5850661939
Scales and comparisons
How big is 1998400404?- 1,998,400,404 seconds is equal to 63 years, 28 weeks, 1 day, 15 hours, 13 minutes, 24 seconds.
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To count from 1 to 1,998,400,404 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 1998400404 cubic inches would be around 105 feet tall.
Recreational maths with 1998400404
- 1998400404 backwards is 4040048991
- 1998400404 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1998400404's digits is 39
- More coming soon!
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