3855438972
3,855,438,972 is an even composite number composed of five prime numbers multiplied together.
3855438972 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred seventy-eight divisors.
Prime factorization of 3855438972:
22 × 36 × 72 × 112 × 223
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 7 × 11 × 11 × 223)See below for interesting mathematical facts about the number 3855438972 from the Numbermatics database.
Names of 3855438972
- Cardinal: 3855438972 can be written as Three billion, eight hundred fifty-five million, four hundred thirty-eight thousand, nine hundred seventy-two.
Scientific notation
- Scientific notation: 3.855438972 × 109
Factors of 3855438972
Divisors of 3855438972
- Number of divisors d(n): 378
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Complete list of divisors:
1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 33 36 42 44 49 54 63 66 77 81 84 98 99 108 121 126 132 147 154 162 189 196 198 223 231 242 243 252 294 297 308 324 363 378 396 441 446 462 484 486 539 567 588 594 669 693 726 729 756 847 882 891 892 924 972 1078 1089 1134 1188 1323 1338 1386 1452 1458 1561 1617 1694 1701 1764 1782 2007 2079 2156 2178 2268 2453 2541 2646 2673 2676 2772 2916 3122 3234 3267 3388 3402 3564 3969 4014 4158 4356 4683 4851 4906 5082 5103 5292 5346 5929 6021 6237 6244 6468 6534 6804 7359 7623 7938 8019 8028 8316 9366 9702 9801 9812 10164 10206 10692 10927 11858 11907 12042 12474 13068 14049 14553 14718 15246 15876 16038 17171 17787 18063 18711 18732 19404 19602 20412 21854 22077 22869 23716 23814 24084 24948 26983 28098 29106 29403 29436 30492 32076 32781 34342 35574 35721 36126 37422 39204 42147 43659 43708 44154 45738 47628 51513 53361 53966 54189 56133 56196 58212 58806 65562 66231 68607 68684 71148 71442 72252 74844 80949 84294 87318 88209 88308 91476 98343 103026 106722 107932 108378 112266 117612 120197 126441 130977 131124 132462 137214 142884 154539 160083 161898 162567 168588 174636 176418 188881 196686 198693 205821 206052 213444 216756 224532 240394 242847 252882 261954 264924 274428 295029 309078 320166 323796 325134 352836 360591 377762 379323 392931 393372 397386 411642 463617 480249 480788 485694 505764 523908 566643 590058 596079 617463 618156 640332 650268 721182 728541 755524 758646 785862 794772 823284 885087 927234 960498 971388 1081773 1133286 1137969 1180116 1192158 1234926 1322167 1390851 1440747 1442364 1457082 1517292 1571724 1699929 1770174 1788237 1854468 1920996 2163546 2185623 2266572 2275938 2384316 2469852 2644334 2655261 2781702 2881494 2914164 3245319 3399858 3540348 3576474 3966501 4172553 4322241 4327092 4371246 4551876 5099787 5288668 5310522 5563404 5762988 6490638 6556869 6799716 7152948 7933002 7965783 8345106 8644482 8742492 9735957 10199574 10621044 11899503 12517659 12981276 13113738 15299361 15866004 15931566 16690212 17288964 19471914 19670607 20399148 23799006 25035318 26227476 29207871 30598722 31863132 35698509 38943828 39341214 45898083 47598012 50070636 58415742 61197444 71397018 78682428 87623613 91796166 107095527 116831484 137694249 142794036 175247226 183592332 214191054 275388498 321286581 350494452 428382108 550776996 642573162 963859743 1285146324 1927719486 3855438972
- Sum of all divisors σ(n): 12992499744
- Sum of proper divisors (its aliquot sum) s(n): 9137060772
- 3855438972 is an abundant number, because the sum of its proper divisors (9137060772) is greater than itself. Its abundance is 5281621800
Bases of 3855438972
- Binary: 111001011100110101010100011111002
- Hexadecimal: 0xE5CD547C
- Base-36: 1RRFFR0
Squares and roots of 3855438972
- 3855438972 squared (38554389722) is 14864409666816416784
- 3855438972 cubed (38554389723) is 57308824325217548438428506048
-
The
square root of 3855438972 is 62092.1812469171 -
The
cube root of 3855438972 is 1568.0429144293
Scales and comparisons
How big is 3855438972?- 3,855,438,972 seconds is equal to 122 years, 30 weeks, 5 days, 3 hours, 16 minutes, 12 seconds.
-
To count from 1 to 3,855,438,972 would take you about two hundred forty-five 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 3855438972 cubic inches would be around 130.7 feet tall.
Recreational maths with 3855438972
- 3855438972 backwards is 2798345583
- 3855438972 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 3855438972's digits is 54
- More coming soon!
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