198138991005
198,138,991,005 is an odd composite number composed of six prime numbers multiplied together.
198138991005 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 198138991005:
32 × 5 × 172 × 31 × 372 × 359
(3 × 3 × 5 × 17 × 17 × 31 × 37 × 37 × 359)See below for interesting mathematical facts about the number 198138991005 from the Numbermatics database.
Names of 198138991005
- Cardinal: 198138991005 can be written as One hundred ninety-eight billion, one hundred thirty-eight million, nine hundred ninety-one thousand and five.
Scientific notation
- Scientific notation: 1.98138991005 × 1011
Factors of 198138991005
Divisors of 198138991005
- Number of divisors d(n): 216
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Complete list of divisors:
1 3 5 9 15 17 31 37 45 51 85 93 111 153 155 185 255 279 289 333 359 465 527 555 629 765 867 1077 1147 1369 1395 1445 1581 1665 1795 1887 2601 2635 3145 3231 3441 4107 4335 4743 5385 5661 5735 6103 6845 7905 8959 9435 10323 10693 11129 12321 13005 13283 16155 17205 18309 19499 20535 23273 23715 26877 28305 30515 32079 33387 39849 42439 44795 51615 53465 54927 55645 58497 61605 66415 69819 80631 91545 96237 97495 100161 103751 116365 119547 127317 134385 160395 166935 175491 189193 199245 209457 212195 225811 274635 292485 311253 331483 349095 381951 395641 403155 411773 481185 491471 500805 518755 567579 597735 636585 677433 721463 877455 933759 945965 994449 1047285 1129055 1186923 1235319 1474413 1556265 1657415 1702737 1909755 1978205 2032299 2058865 2164389 2457355 2837895 2983347 3216281 3387165 3560769 3607315 3705957 3838787 4423239 4668795 4972245 5934615 6176595 6493167 7000141 7372065 8355007 8513685 9648843 10161495 10821945 11516361 12264871 14916735 15235601 16081405 17803845 18529785 19193935 21000423 22116195 25065021 28946529 32465835 34549083 35000705 36794613 41775035 45706803 48244215 57581805 61324355 63001269 75195063 76178005 105002115 110383839 119002397 125325105 137120409 142035119 144732645 172745415 183973065 228534015 259005217 315006345 357007191 375975315 426105357 551919195 595011985 685602045 710175595 777015651 1071021573 1278316071 1295026085 1785035955 2130526785 2331046953 3885078255 4403088689 5355107865 6391580355 11655234765 13209266067 22015443445 39627798201 66046330335 198138991005
- Sum of all divisors σ(n): 388132093440
- Sum of proper divisors (its aliquot sum) s(n): 189993102435
- 198138991005 is a deficient number, because the sum of its proper divisors (189993102435) is less than itself. Its deficiency is 8145888570
Bases of 198138991005
- Binary: 101110001000100000000100010001100111012
- Hexadecimal: 0x2E2201119D
- Base-36: 2J0UU7X9
Squares and roots of 198138991005
- 198138991005 squared (1981389910052) is 39259059756479470910025
- 198138991005 cubed (1981389910053) is 7778750487953843377108602639325125
-
The
square root of 198138991005 is 445128.0613542579 -
The
cube root of 198138991005 is 5829.8401787865
Scales and comparisons
How big is 198138991005?- 198,138,991,005 seconds is equal to 6,300 years, 10 weeks, 5 days, 8 hours, 36 minutes, 45 seconds.
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To count from 1 to 198,138,991,005 would take you about twelve thousand, six hundred 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 198138991005 cubic inches would be around 485.8 feet tall.
Recreational maths with 198138991005
- 198138991005 backwards is 500199831891
- The number of decimal digits it has is: 12
- The sum of 198138991005's digits is 54
- More coming soon!
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