21428159040
21,428,159,040 is an even composite number composed of six prime numbers multiplied together.
21428159040 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred forty-eight divisors.
Prime factorization of 21428159040:
26 × 33 × 5 × 43 × 137 × 421
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 43 × 137 × 421)See below for interesting mathematical facts about the number 21428159040 from the Numbermatics database.
Names of 21428159040
- Cardinal: 21428159040 can be written as Twenty-one billion, four hundred twenty-eight million, one hundred fifty-nine thousand and forty.
Scientific notation
- Scientific notation: 2.142815904 × 1010
Factors of 21428159040
Divisors of 21428159040
- Number of divisors d(n): 448
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 43 45 48 54 60 64 72 80 86 90 96 108 120 129 135 137 144 160 172 180 192 215 216 240 258 270 274 288 320 344 360 387 411 421 430 432 480 516 540 548 576 645 685 688 720 774 822 842 860 864 960 1032 1080 1096 1161 1233 1263 1290 1370 1376 1440 1548 1644 1684 1720 1728 1935 2055 2064 2105 2160 2192 2322 2466 2526 2580 2740 2752 2880 3096 3288 3368 3440 3699 3789 3870 4110 4128 4210 4320 4384 4644 4932 5052 5160 5480 5805 5891 6165 6192 6315 6576 6736 6880 7398 7578 7740 8220 8256 8420 8640 8768 9288 9864 10104 10320 10960 11367 11610 11782 12330 12384 12630 13152 13472 13760 14796 15156 15480 16440 16840 17673 18103 18495 18576 18945 19728 20208 20640 21920 22734 23220 23564 24660 24768 25260 26304 26944 29455 29592 30312 30960 32880 33680 35346 36206 36990 37152 37890 39456 40416 41280 43840 45468 46440 47128 49320 50520 53019 54309 56835 57677 58910 59184 60624 61920 65760 67360 70692 72412 73980 74304 75780 78912 80832 88365 90515 90936 92880 94256 98640 101040 106038 108618 113670 115354 117820 118368 121248 123840 131520 134720 141384 144824 147960 151560 159057 162927 173031 176730 181030 181872 185760 188512 197280 202080 212076 217236 227340 230708 235640 236736 242496 265095 271545 282768 288385 289648 295920 303120 318114 325854 346062 353460 362060 363744 371520 377024 394560 404160 424152 434472 454680 461416 471280 488781 519093 530190 543090 565536 576770 579296 591840 606240 636228 651708 692124 706920 724120 727488 795285 814635 848304 865155 868944 909360 922832 942560 977562 1038186 1060380 1086180 1131072 1153540 1158592 1183680 1212480 1272456 1303416 1384248 1413840 1448240 1557279 1590570 1629270 1696608 1730310 1737888 1818720 1845664 1885120 1955124 2076372 2120760 2172360 2307080 2443905 2480111 2544912 2595465 2606832 2768496 2827680 2896480 3114558 3181140 3258540 3393216 3460620 3475776 3637440 3691328 3910248 4152744 4241520 4344720 4614160 4887810 4960222 5089824 5190930 5213664 5536992 5655360 5792960 6229116 6362280 6517080 6921240 7440333 7786395 7820496 8305488 8483040 8689440 9228320 9775620 9920444 10179648 10381860 10427328 11073984 12400555 12458232 12724560 13034160 13842480 14880666 15572790 15640992 16610976 16966080 17378880 18456640 19551240 19840888 20763720 22320999 24801110 24916464 25449120 26068320 27684960 29761332 31145580 31281984 33221952 37201665 39102480 39681776 41527440 44641998 49602220 49832928 50898240 52136640 55369920 59522664 62291160 66962997 74403330 78204960 79363552 83054880 89283996 99204440 99665856 111604995 119045328 124582320 133925994 148806660 156409920 158727104 166109760 178567992 198408880 223209990 238090656 249164640 267851988 297613320 334814985 357135984 396817760 446419980 476181312 498329280 535703976 595226640 669629970 714271968 793635520 892839960 1071407952 1190453280 1339259940 1428543936 1785679920 2142815904 2380906560 2678519880 3571359840 4285631808 5357039760 7142719680 10714079520 21428159040
- Sum of all divisors σ(n): 78101464320
- Sum of proper divisors (its aliquot sum) s(n): 56673305280
- 21428159040 is an abundant number, because the sum of its proper divisors (56673305280) is greater than itself. Its abundance is 35245146240
Bases of 21428159040
- Binary: 100111111010011011111000010010000002
- Hexadecimal: 0x4FD37C240
- Base-36: 9UDRTC0
Squares and roots of 21428159040
- 21428159040 squared (214281590402) is 459165999843533721600
- 21428159040 cubed (214281590403) is 9839082070407855702047883264000
-
The
square root of 21428159040 is 146383.6023603735 -
The
cube root of 21428159040 is 2777.5483034233
Scales and comparisons
How big is 21428159040?- 21,428,159,040 seconds is equal to 681 years, 18 weeks, 1 day, 2 hours, 24 minutes.
-
To count from 1 to 21,428,159,040 would take you about one thousand, three hundred sixty-two 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 21428159040 cubic inches would be around 231.5 feet tall.
Recreational maths with 21428159040
- 21428159040 backwards is 04095182412
- 21428159040 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21428159040's digits is 36
- More coming soon!
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The information we have on file for 21428159040 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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