3998395872
3,998,395,872 is an even composite number composed of five prime numbers multiplied together.
3998395872 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 3998395872:
25 × 37 × 19 × 31 × 97
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 19 × 31 × 97)See below for interesting mathematical facts about the number 3998395872 from the Numbermatics database.
Names of 3998395872
- Cardinal: 3998395872 can be written as Three billion, nine hundred ninety-eight million, three hundred ninety-five thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 3.998395872 × 109
Factors of 3998395872
Divisors of 3998395872
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 19 24 27 31 32 36 38 48 54 57 62 72 76 81 93 96 97 108 114 124 144 152 162 171 186 194 216 228 243 248 279 288 291 304 324 342 372 388 432 456 486 496 513 558 582 589 608 648 684 729 744 776 837 864 873 912 972 992 1026 1116 1164 1178 1296 1368 1458 1488 1539 1552 1674 1746 1767 1824 1843 1944 2052 2187 2232 2328 2356 2511 2592 2619 2736 2916 2976 3007 3078 3104 3348 3492 3534 3686 3888 4104 4374 4464 4617 4656 4712 5022 5238 5301 5472 5529 5832 6014 6156 6696 6984 7068 7372 7533 7776 7857 8208 8748 8928 9021 9234 9312 9424 10044 10476 10602 11058 11664 12028 12312 13392 13851 13968 14136 14744 15066 15714 15903 16416 16587 17496 18042 18468 18848 20088 20952 21204 22116 22599 23328 23571 24056 24624 26784 27063 27702 27936 28272 29488 30132 31428 31806 33174 34992 36084 36936 40176 41553 41904 42408 44232 45198 47142 47709 48112 49248 49761 54126 55404 56544 57133 58976 60264 62856 63612 66348 67797 69984 70713 72168 73872 80352 81189 83106 83808 84816 88464 90396 94284 95418 96224 99522 108252 110808 114266 120528 125712 127224 132696 135594 141426 143127 144336 147744 149283 162378 166212 169632 171399 176928 180792 188568 190836 199044 212139 216504 221616 228532 241056 243567 251424 254448 265392 271188 282852 286254 288672 298566 324756 332424 342798 361584 377136 381672 398088 424278 429381 433008 443232 447849 457064 487134 508896 514197 530784 542376 565704 572508 597132 649512 664848 685596 723168 730701 754272 763344 796176 848556 858762 866016 895698 914128 974268 1028394 1084752 1131408 1145016 1194264 1288143 1299024 1329696 1343547 1371192 1461402 1526688 1542591 1592352 1697112 1717524 1791396 1828256 1948536 2056788 2169504 2192103 2262816 2290032 2388528 2576286 2598048 2687094 2742384 2922804 3085182 3394224 3435048 3582792 3897072 4030641 4113576 4384206 4580064 4627773 4777056 5152572 5374188 5484768 5845608 6170364 6576309 6788448 6870096 7165584 7794144 8061282 8227152 8768412 9255546 10305144 10748376 11691216 12340728 13152618 13740192 13883319 14331168 16122564 16454304 17536824 18511092 20610288 21496752 23382432 24681456 26305236 27766638 32245128 35073648 37022184 41220576 41649957 42993504 49362912 52610472 55533276 64490256 70147296 74044368 83299914 105220944 111066552 124949871 128980512 148088736 166599828 210441888 222133104 249899742 333199656 444266208 499799484 666399312 999598968 1332798624 1999197936 3998395872
- Sum of all divisors σ(n): 12960460800
- Sum of proper divisors (its aliquot sum) s(n): 8962064928
- 3998395872 is an abundant number, because the sum of its proper divisors (8962064928) is greater than itself. Its abundance is 4963669056
Bases of 3998395872
- Binary: 111011100101001010101101111000002
- Hexadecimal: 0xEE52ADE0
- Base-36: 1U4JI00
Squares and roots of 3998395872
- 3998395872 squared (39983958722) is 15987169549226640384
- 3998395872 cubed (39983958723) is 63923032730591899703814094848
-
The
square root of 3998395872 is 63232.8701863201 -
The
cube root of 3998395872 is 1587.1888240561
Scales and comparisons
How big is 3998395872?- 3,998,395,872 seconds is equal to 127 years, 7 weeks, 17 hours, 31 minutes, 12 seconds.
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To count from 1 to 3,998,395,872 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 3998395872 cubic inches would be around 132.3 feet tall.
Recreational maths with 3998395872
- 3998395872 backwards is 2785938993
- The number of decimal digits it has is: 10
- The sum of 3998395872's digits is 63
- More coming soon!
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The information we have on file for 3998395872 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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