21385309120
21,385,309,120 is an even composite number composed of six prime numbers multiplied together.
21385309120 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 21385309120:
26 × 5 × 73 × 17 × 73 × 157
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 7 × 17 × 73 × 157)See below for interesting mathematical facts about the number 21385309120 from the Numbermatics database.
Names of 21385309120
- Cardinal: 21385309120 can be written as Twenty-one billion, three hundred eighty-five million, three hundred nine thousand, one hundred twenty.
Scientific notation
- Scientific notation: 2.138530912 × 1010
Factors of 21385309120
Divisors of 21385309120
- Number of divisors d(n): 448
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 49 56 64 68 70 73 80 85 98 112 119 136 140 146 157 160 170 196 224 238 245 272 280 292 314 320 340 343 365 392 448 476 490 511 544 560 584 595 628 680 686 730 784 785 833 952 980 1022 1088 1099 1120 1168 1190 1241 1256 1360 1372 1460 1568 1570 1666 1715 1904 1960 2044 2198 2240 2336 2380 2482 2512 2555 2669 2720 2744 2920 3136 3140 3332 3430 3577 3808 3920 4088 4165 4396 4672 4760 4964 5024 5110 5338 5440 5488 5495 5831 5840 6205 6280 6664 6860 7154 7616 7693 7840 8176 8330 8687 8792 9520 9928 10048 10220 10676 10976 10990 11461 11662 11680 12410 12560 13328 13345 13720 14308 15386 15680 16352 16660 17374 17584 17885 18683 19040 19856 20440 21352 21952 21980 22922 23324 23360 24820 25039 25120 26656 26690 27440 28616 29155 30772 32704 33320 34748 35168 35770 37366 38080 38465 39712 40880 42704 43435 43960 45844 46648 49640 50078 50240 53312 53380 53851 54880 57232 57305 58310 60809 61544 66640 69496 70336 71540 74732 76930 79424 80227 81760 85408 86870 87920 91688 93296 93415 99280 100156 106760 107702 109760 114464 114610 116620 121618 123088 125195 130781 133280 138992 143080 149464 153860 160454 163520 170816 173740 175840 183376 186592 186830 194837 198560 200312 213520 215404 228928 229220 233240 243236 246176 250390 261562 266560 269255 277984 286160 298928 304045 307720 320908 347480 351680 366752 373184 373660 389674 397120 400624 401135 425663 427040 430808 458440 466480 486472 492352 500780 523124 538510 555968 561589 572320 597856 608090 615440 641816 653905 694960 733504 747320 779348 801248 802270 851326 854080 861616 915467 916880 932960 972944 974185 1001560 1046248 1077020 1123178 1144640 1195712 1216180 1230880 1283632 1307810 1363859 1389920 1494640 1558696 1602496 1604540 1702652 1723232 1830934 1833760 1865920 1945888 1948370 2003120 2092496 2128315 2154040 2246356 2432360 2461760 2567264 2615620 2727718 2779840 2807945 2989280 3117392 3209080 3405304 3446464 3661868 3667520 3891776 3896740 3931123 4006240 4184992 4256630 4308080 4492712 4577335 4864720 5134528 5231240 5455436 5615890 5978560 6234784 6418160 6810608 6819295 7323736 7793480 7862246 8012480 8369984 8513260 8616160 8985424 9154670 9547013 9729440 10462480 10910872 11231780 12469568 12836320 13621216 13638590 14647472 15586960 15724492 17026520 17232320 17970848 18309340 19094026 19458880 19655615 20924960 21821744 22463560 25672640 27242432 27277180 29294944 31173920 31448984 34053040 35941696 36618680 38188052 39311230 41849920 43643488 44927120 47735065 54554360 58589888 62347840 62897968 66829091 68106080 73237360 76376104 78622460 87286976 89854240 95470130 109108720 125795936 133658182 136212160 146474720 152752208 157244920 179708480 190940260 218217440 251591872 267316364 292949440 305504416 314489840 334145455 381880520 436434880 534632728 611008832 628979680 668290910 763761040 1069265456 1257959360 1336581820 1527522080 2138530912 2673163640 3055044160 4277061824 5346327280 10692654560 21385309120
- Sum of all divisors σ(n): 64146988800
- Sum of proper divisors (its aliquot sum) s(n): 42761679680
- 21385309120 is an abundant number, because the sum of its proper divisors (42761679680) is greater than itself. Its abundance is 21376370560
Bases of 21385309120
- Binary: 100111110101010100111101011110000002
- Hexadecimal: 0x4FAA9EBC0
- Base-36: 9TO9E4G
Squares and roots of 21385309120
- 21385309120 squared (213853091202) is 457331446157955174400
- 21385309120 cubed (213853091203) is 9780174346384507751647510528000
-
The
square root of 21385309120 is 146237.1673686275 -
The
cube root of 21385309120 is 2775.6956455269
Scales and comparisons
How big is 21385309120?- 21,385,309,120 seconds is equal to 679 years, 51 weeks, 2 days, 3 hours, 38 minutes, 40 seconds.
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To count from 1 to 21,385,309,120 would take you about one thousand, three hundred fifty-nine 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 21385309120 cubic inches would be around 231.3 feet tall.
Recreational maths with 21385309120
- 21385309120 backwards is 02190358312
- 21385309120 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21385309120's digits is 34
- More coming soon!
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The information we have on file for 21385309120 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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