921428424
921,428,424 is an even composite number composed of seven prime numbers multiplied together.
921428424 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 921428424:
23 × 32 × 7 × 17 × 41 × 43 × 61
(2 × 2 × 2 × 3 × 3 × 7 × 17 × 41 × 43 × 61)See below for interesting mathematical facts about the number 921428424 from the Numbermatics database.
Names of 921428424
- Cardinal: 921428424 can be written as Nine hundred twenty-one million, four hundred twenty-eight thousand, four hundred twenty-four.
Scientific notation
- Scientific notation: 9.21428424 × 108
Factors of 921428424
Divisors of 921428424
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 17 18 21 24 28 34 36 41 42 43 51 56 61 63 68 72 82 84 86 102 119 122 123 126 129 136 153 164 168 172 183 204 238 244 246 252 258 287 301 306 328 344 357 366 369 387 408 427 476 488 492 504 516 549 574 602 612 697 714 731 732 738 774 854 861 903 952 984 1032 1037 1071 1098 1148 1204 1224 1281 1394 1428 1462 1464 1476 1548 1708 1722 1763 1806 2074 2091 2142 2193 2196 2296 2408 2501 2562 2583 2623 2709 2788 2856 2924 2952 3096 3111 3416 3444 3526 3612 3843 4148 4182 4284 4386 4392 4879 5002 5117 5124 5166 5246 5289 5418 5576 5848 6222 6273 6579 6888 7052 7224 7259 7503 7686 7869 8296 8364 8568 8772 9333 9758 10004 10234 10248 10332 10492 10578 10836 12341 12444 12546 13158 14104 14518 14637 15006 15351 15372 15738 15867 16728 17507 17544 18361 18666 19516 20008 20468 20664 20984 21156 21672 21777 22509 23607 24682 24888 25092 26316 29036 29274 29971 30012 30702 30744 31476 31734 35014 36722 37023 37332 39032 40936 42312 42517 43554 43911 44591 45018 46053 47214 49364 50184 52521 52632 55083 58072 58548 59942 60024 61404 62952 63468 65331 70028 73444 74046 74664 85034 87108 87822 89182 89913 90036 92106 94428 98728 105042 107543 110166 111069 117096 119884 122808 126936 127551 130662 133773 140056 146888 148092 157563 165249 170068 174216 175644 178364 179826 180072 184212 188856 209797 210084 215086 220332 222138 239768 255102 261324 267546 269739 296184 297619 312137 315126 322629 330498 340136 351288 356728 359652 368424 382653 401319 419594 420168 430172 440664 444276 510204 522648 535092 539478 595238 624274 629391 630252 645258 660996 719304 752801 765306 802638 839188 860344 888552 892857 936411 967887 1020408 1070184 1078956 1190476 1248548 1258782 1260504 1290516 1321992 1505602 1530612 1605276 1678376 1785714 1828231 1872822 1888173 1935774 2157912 2258403 2380952 2497096 2517564 2581032 2678571 2809233 3011204 3061224 3210552 3571428 3656462 3745644 3776346 3871548 4516806 5035128 5357142 5484693 5618466 6022408 6775209 7142856 7312924 7491288 7552692 7743096 9033612 10714284 10969386 11236932 12797617 13550418 14625848 15105384 16454079 18067224 21428568 21938772 22473864 25595234 27100836 32908158 38392851 43877544 51190468 54201672 65816316 76785702 102380936 115178553 131632632 153571404 230357106 307142808 460714212 921428424
- Sum of all divisors σ(n): 3217294080
- Sum of proper divisors (its aliquot sum) s(n): 2295865656
- 921428424 is an abundant number, because the sum of its proper divisors (2295865656) is greater than itself. Its abundance is 1374437232
Bases of 921428424
- Binary: 1101101110101111100001110010002
- Hexadecimal: 0x36EBE1C8
- Base-36: F8LEQ0
Squares and roots of 921428424
- 921428424 squared (9214284242) is 849030340555123776
- 921428424 cubed (9214284243) is 782320688625890986044609024
-
The
square root of 921428424 is 30355.0395157049 -
The
cube root of 921428424 is 973.0919243463
Scales and comparisons
How big is 921428424?- 921,428,424 seconds is equal to 29 years, 15 weeks, 3 days, 16 hours, 20 minutes, 24 seconds.
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To count from 1 to 921,428,424 would take you about forty-three 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 921428424 cubic inches would be around 81.1 feet tall.
Recreational maths with 921428424
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