3998639904
3,998,639,904 is an even composite number composed of six prime numbers multiplied together.
3998639904 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 3998639904:
25 × 3 × 72 × 17 × 31 × 1613
(2 × 2 × 2 × 2 × 2 × 3 × 7 × 7 × 17 × 31 × 1613)See below for interesting mathematical facts about the number 3998639904 from the Numbermatics database.
Names of 3998639904
- Cardinal: 3998639904 can be written as Three billion, nine hundred ninety-eight million, six hundred thirty-nine thousand, nine hundred four.
Scientific notation
- Scientific notation: 3.998639904 × 109
Factors of 3998639904
Divisors of 3998639904
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 17 21 24 28 31 32 34 42 48 49 51 56 62 68 84 93 96 98 102 112 119 124 136 147 168 186 196 204 217 224 238 248 272 294 336 357 372 392 408 434 476 496 527 544 588 651 672 714 744 784 816 833 868 952 992 1054 1176 1302 1428 1488 1519 1568 1581 1613 1632 1666 1736 1904 2108 2352 2499 2604 2856 2976 3038 3162 3226 3332 3472 3689 3808 4216 4557 4704 4839 4998 5208 5712 6076 6324 6452 6664 6944 7378 8432 9114 9678 9996 10416 11067 11291 11424 12152 12648 12904 13328 14756 16864 18228 19356 19992 20832 22134 22582 24304 25296 25808 25823 26656 27421 29512 33873 36456 38712 39984 44268 45164 48608 50003 50592 51616 51646 54842 59024 67746 72912 77424 77469 79037 79968 82263 88536 90328 100006 103292 109684 118048 135492 145824 150009 154848 154938 158074 164526 177072 180656 191947 200012 206584 219368 237111 270984 300018 309876 316148 329052 350021 354144 361312 383894 400024 413168 438736 474222 541968 575841 600036 619752 632296 658104 700042 767788 800048 826336 850051 877472 948444 1050063 1083936 1151682 1200072 1239504 1264592 1316208 1343629 1400084 1535576 1600096 1700102 1896888 2100126 2303364 2400144 2450147 2479008 2529184 2550153 2632416 2687258 2800168 3071152 3400204 3793776 4030887 4200252 4606728 4800288 4900294 5100306 5374516 5600336 5950357 6142304 6800408 7350441 7587552 8061774 8400504 9213456 9800588 10200612 10749032 11200672 11900714 13600816 14700882 16123548 16801008 17851071 18426912 19601176 20401224 21498064 23801428 27201632 29401764 32247096 33602016 35702142 39202352 40802448 41652499 42996128 47602856 58803528 64494192 71404284 78404704 81604896 83304998 95205712 117607056 124957497 128988384 142808568 166609996 190411424 235214112 249914994 285617136 333219992 499829988 571234272 666439984 999659976 1332879968 1999319952 3998639904
- Sum of all divisors σ(n): 13353693696
- Sum of proper divisors (its aliquot sum) s(n): 9355053792
- 3998639904 is an abundant number, because the sum of its proper divisors (9355053792) is greater than itself. Its abundance is 5356413888
Bases of 3998639904
- Binary: 111011100101011001100111001000002
- Hexadecimal: 0xEE566720
- Base-36: 1U4OQAO
Squares and roots of 3998639904
- 3998639904 squared (39986399042) is 15989121081861129216
- 3998639904 cubed (39986399043) is 63934737587817561869597835264
-
The
square root of 3998639904 is 63234.7997861937 -
The
cube root of 3998639904 is 1587.2211134205
Scales and comparisons
How big is 3998639904?- 3,998,639,904 seconds is equal to 127 years, 7 weeks, 3 days, 13 hours, 18 minutes, 24 seconds.
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To count from 1 to 3,998,639,904 would take you about two hundred fifty-four 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 3998639904 cubic inches would be around 132.3 feet tall.
Recreational maths with 3998639904
- 3998639904 backwards is 4099368993
- The number of decimal digits it has is: 10
- The sum of 3998639904's digits is 60
- More coming soon!
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