21308904400
21,308,904,400 is an even composite number composed of six prime numbers multiplied together.
21308904400 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 21308904400:
24 × 52 × 72 × 53 × 73 × 281
(2 × 2 × 2 × 2 × 5 × 5 × 7 × 7 × 53 × 73 × 281)See below for interesting mathematical facts about the number 21308904400 from the Numbermatics database.
Names of 21308904400
- Cardinal: 21308904400 can be written as Twenty-one billion, three hundred eight million, nine hundred four thousand, four hundred.
Scientific notation
- Scientific notation: 2.13089044 × 1010
Factors of 21308904400
Divisors of 21308904400
- Number of divisors d(n): 360
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 25 28 35 40 49 50 53 56 70 73 80 98 100 106 112 140 146 175 196 200 212 245 265 280 281 292 350 365 371 392 400 424 490 511 530 560 562 584 700 730 742 784 848 980 1022 1060 1124 1168 1225 1325 1400 1405 1460 1484 1825 1855 1960 1967 2044 2120 2248 2450 2555 2597 2650 2800 2810 2920 2968 3577 3650 3710 3869 3920 3934 4088 4240 4496 4900 5110 5194 5300 5620 5840 5936 7025 7154 7300 7420 7738 7868 8176 9275 9800 9835 10220 10388 10600 11240 12775 12985 13769 14050 14308 14600 14840 14893 15476 15736 17885 18550 19345 19600 19670 20440 20513 20776 21200 22480 25550 25970 27083 27538 28100 28616 29200 29680 29786 30952 31472 35770 37100 38690 39340 40880 41026 41552 49175 51100 51940 54166 55076 56200 57232 59572 61904 64925 68845 71540 74200 74465 77380 78680 82052 89425 96725 98350 102200 102565 103880 104251 108332 110152 112400 119144 129850 135415 137690 143080 143591 148400 148930 154760 157360 164104 178850 189581 193450 196700 204400 205130 207760 208502 216664 220304 238288 259700 270830 275380 286160 287182 297860 309520 328208 344225 357700 372325 379162 386900 393400 410260 417004 433328 512825 519400 521255 541660 550760 574364 595720 677075 688450 715400 717955 729757 744650 758324 773800 786800 820520 834008 947905 1005137 1025650 1038800 1042510 1083320 1087189 1101520 1148728 1191440 1354150 1376900 1430800 1435910 1459514 1489300 1516648 1547600 1641040 1668016 1895810 2010274 2051300 2085020 2166640 2174378 2297456 2606275 2708300 2753800 2871820 2919028 2978600 3033296 3589775 3648785 3791620 4020548 4102600 4170040 4348756 4739525 5025685 5212550 5416600 5435945 5507600 5743640 5838056 5957200 7179550 7297570 7583240 7610323 8041096 8205200 8340080 8697512 9479050 10051370 10425100 10833200 10871890 11487280 11676112 14359100 14595140 15166480 15220646 16082192 17395024 18243925 18958100 20102740 20850200 21743780 25128425 27179725 28718200 29190280 30441292 36487850 37916200 38051615 40205480 41700400 43487560 50256850 53272261 54359450 57436400 58380560 60882584 72975700 75832400 76103230 80410960 86975120 100513700 106544522 108718900 121765168 145951400 152206460 190258075 201027400 213089044 217437800 266361305 291902800 304412920 380516150 402054800 426178088 434875600 532722610 608825840 761032300 852356176 1065445220 1331806525 1522064600 2130890440 2663613050 3044129200 4261780880 5327226100 10654452200 21308904400
- Sum of all divisors σ(n): 61726667544
- Sum of proper divisors (its aliquot sum) s(n): 40417763144
- 21308904400 is an abundant number, because the sum of its proper divisors (40417763144) is greater than itself. Its abundance is 19108858744
Bases of 21308904400
- Binary: 100111101100001110000010011110100002
- Hexadecimal: 0x4F61C13D0
- Base-36: 9SERRV4
Squares and roots of 21308904400
- 21308904400 squared (213089044002) is 454069406728339360000
- 21308904400 cubed (213089044003) is 9675721578938900192997184000000
-
The
square root of 21308904400 is 145975.6979774373 -
The
cube root of 21308904400 is 2772.3860632923
Scales and comparisons
How big is 21308904400?- 21,308,904,400 seconds is equal to 677 years, 28 weeks, 6 days, 20 hours, 6 minutes, 40 seconds.
-
To count from 1 to 21,308,904,400 would take you about one thousand, three hundred fifty-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 21308904400 cubic inches would be around 231 feet tall.
Recreational maths with 21308904400
- 21308904400 backwards is 00440980312
- The number of decimal digits it has is: 11
- The sum of 21308904400's digits is 31
- More coming soon!
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