1998400908
1,998,400,908 is an even composite number composed of six prime numbers multiplied together.
What does the number 1998400908 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 144 divisors.
1998400908 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 1998400908:
22 × 3 × 72 × 23 × 107 × 1381
(2 × 2 × 3 × 7 × 7 × 23 × 107 × 1381)See below for interesting mathematical facts about the number 1998400908 from the Numbermatics database.
Names of 1998400908
- Cardinal: 1998400908 can be written as One billion, nine hundred ninety-eight million, four hundred thousand, nine hundred eight.
Scientific notation
- Scientific notation: 1.998400908 × 109
Factors of 1998400908
Divisors of 1998400908
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 7 12 14 21 23 28 42 46 49 69 84 92 98 107 138 147 161 196 214 276 294 321 322 428 483 588 642 644 749 966 1127 1284 1381 1498 1932 2247 2254 2461 2762 2996 3381 4143 4494 4508 4922 5243 5524 6762 7383 8286 8988 9667 9844 10486 13524 14766 15729 16572 17227 19334 20972 29001 29532 31458 31763 34454 38668 51681 58002 62916 63526 67669 68908 95289 103362 116004 120589 127052 135338 147767 190578 203007 206724 222341 241178 270676 295534 361767 381156 406014 443301 444682 482356 591068 667023 723534 812028 886602 889364 1034369 1334046 1447068 1556387 1773204 2068738 2668092 3103107 3112774 3398641 4137476 4669161 6206214 6225548 6797282 7240583 9338322 10195923 12412428 13594564 14481166 18676644 20391846 21721749 23790487 28962332 40783692 43443498 47580974 71371461 86886996 95161948 142742922 166533409 285485844 333066818 499600227 666133636 999200454 1998400908
- Sum of all divisors σ(n): 5717101824
- Sum of proper divisors (its aliquot sum) s(n): 3718700916
- 1998400908 is an abundant number, because the sum of its proper divisors (3718700916) is greater than itself. Its abundance is 1720300008
Bases of 1998400908
- Binary: 11101110001110100101101100011002
- Hexadecimal: 0x771D2D8C
- Base-36: X1SO0C
Squares and roots of 1998400908
- 1998400908 squared (19984009082) is 3993606189095224464
- 1998400908 cubed (19984009083) is 7980826234482316267321413312
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The
square root of 1998400908 is 44703.4775828457 -
The
cube root of 1998400908 is 1259.5851720837
Scales and comparisons
How big is 1998400908?- 1,998,400,908 seconds is equal to 63 years, 28 weeks, 1 day, 15 hours, 21 minutes, 48 seconds.
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To count from 1 to 1,998,400,908 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 1998400908 cubic inches would be around 105 feet tall.
Recreational maths with 1998400908
- 1998400908 backwards is 8090048991
- The number of decimal digits it has is: 10
- The sum of 1998400908's digits is 48
- More coming soon!
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The information we have on file for 1998400908 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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