28428156960
28,428,156,960 is an even composite number composed of seven prime numbers multiplied together.
28428156960 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 28428156960:
25 × 3 × 5 × 7 × 53 × 61 × 2617
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 53 × 61 × 2617)See below for interesting mathematical facts about the number 28428156960 from the Numbermatics database.
Names of 28428156960
- Cardinal: 28428156960 can be written as Twenty-eight billion, four hundred twenty-eight million, one hundred fifty-six thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 2.842815696 × 1010
Factors of 28428156960
Divisors of 28428156960
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 53 56 60 61 70 80 84 96 105 106 112 120 122 140 159 160 168 183 210 212 224 240 244 265 280 305 318 336 366 371 420 424 427 480 488 530 560 610 636 672 732 742 795 840 848 854 915 976 1060 1113 1120 1220 1272 1281 1464 1484 1590 1680 1696 1708 1830 1855 1952 2120 2135 2226 2440 2544 2562 2617 2928 2968 3180 3233 3360 3416 3660 3710 4240 4270 4452 4880 5088 5124 5234 5565 5856 5936 6360 6405 6466 6832 7320 7420 7851 8480 8540 8904 9699 9760 10248 10468 11130 11872 12720 12810 12932 13085 13664 14640 14840 15702 16165 17080 17808 18319 19398 20496 20936 22260 22631 25440 25620 25864 26170 29280 29680 31404 32330 34160 35616 36638 38796 39255 40992 41872 44520 45262 48495 51240 51728 52340 54957 59360 62808 64660 67893 68320 73276 77592 78510 83744 89040 90524 91595 96990 102480 103456 104680 109914 113155 125616 129320 135786 138701 146552 155184 157020 159637 178080 181048 183190 193980 204960 209360 219828 226310 251232 258640 271572 274785 277402 293104 310368 314040 319274 339465 362096 366380 387960 416103 418720 439656 452620 478911 517280 543144 549570 554804 586208 628080 638548 678930 693505 724192 732760 775920 798185 832206 879312 905240 957822 970907 1086288 1099140 1109608 1117459 1256160 1277096 1357860 1387010 1465520 1551840 1596370 1664412 1758624 1810480 1915644 1941814 2080515 2172576 2198280 2219216 2234918 2394555 2554192 2715720 2774020 2912721 2931040 3192740 3328824 3352377 3620960 3831288 3883628 4161030 4396560 4438432 4469836 4789110 4854535 5108384 5431440 5548040 5587295 5825442 6385480 6657648 6704754 7662576 7767256 8322060 8460761 8793120 8939672 9578220 9709070 10862880 11096080 11174590 11650884 12770960 13315296 13409508 14563605 15325152 15534512 16644120 16761885 16921522 17879344 19156440 19418140 22192160 22349180 23301768 25382283 25541920 26819016 29127210 31069024 33288240 33523770 33843044 35758688 38312880 38836280 42303805 44698360 46603536 50764566 53638032 58254420 59225327 66576480 67047540 67686088 76625760 77672560 84607610 89396720 93207072 101529132 107276064 116508840 118450654 126911415 134095080 135372176 155345120 169215220 177675981 178793440 203058264 233017680 236901308 253822830 268190160 270744352 296126635 338430440 355351962 406116528 466035360 473802616 507645660 536380320 592253270 676860880 710703924 812233056 888379905 947605232 1015291320 1184506540 1353721760 1421407848 1776759810 1895210464 2030582640 2369013080 2842815696 3553519620 4061165280 4738026160 5685631392 7107039240 9476052320 14214078480 28428156960
- Sum of all divisors σ(n): 106022214144
- Sum of proper divisors (its aliquot sum) s(n): 77594057184
- 28428156960 is an abundant number, because the sum of its proper divisors (77594057184) is greater than itself. Its abundance is 49165900224
Bases of 28428156960
- Binary: 110100111100111001101000000001000002
- Hexadecimal: 0x69E734020
- Base-36: D25E2AO
Squares and roots of 28428156960
- 28428156960 squared (284281569602) is 808160108142396441600
- 28428156960 cubed (284281569603) is 22974502403082620072350273536000
-
The
square root of 28428156960 is 168606.5151766087 -
The
cube root of 28428156960 is 3051.9885611253
Scales and comparisons
How big is 28428156960?- 28,428,156,960 seconds is equal to 903 years, 48 weeks, 1 day, 14 hours, 16 minutes.
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To count from 1 to 28,428,156,960 would take you about one thousand, eight hundred 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 28428156960 cubic inches would be around 254.3 feet tall.
Recreational maths with 28428156960
- 28428156960 backwards is 06965182482
- The number of decimal digits it has is: 11
- The sum of 28428156960's digits is 51
- More coming soon!
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