21021520000
21,021,520,000 is an even composite number composed of six prime numbers multiplied together.
21021520000 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of six hundred forty divisors.
Prime factorization of 21021520000:
27 × 54 × 13 × 17 × 29 × 41
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 13 × 17 × 29 × 41)See below for interesting mathematical facts about the number 21021520000 from the Numbermatics database.
Names of 21021520000
- Cardinal: 21021520000 can be written as Twenty-one billion, twenty-one million, five hundred twenty thousand.
Scientific notation
- Scientific notation: 2.102152 × 1010
Factors of 21021520000
Divisors of 21021520000
- Number of divisors d(n): 640
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Complete list of divisors:
1 2 4 5 8 10 13 16 17 20 25 26 29 32 34 40 41 50 52 58 64 65 68 80 82 85 100 104 116 125 128 130 136 145 160 164 170 200 205 208 221 232 250 260 272 290 320 325 328 340 377 400 410 416 425 442 464 493 500 520 533 544 580 625 640 650 656 680 697 725 754 800 820 832 850 884 928 986 1000 1025 1040 1066 1088 1105 1160 1189 1250 1300 1312 1360 1394 1450 1508 1600 1625 1640 1664 1700 1768 1856 1885 1972 2000 2050 2080 2125 2132 2176 2210 2320 2378 2465 2500 2600 2624 2665 2720 2788 2900 3016 3200 3250 3280 3400 3485 3536 3625 3712 3770 3944 4000 4100 4160 4250 4264 4420 4640 4756 4930 5000 5125 5200 5248 5330 5440 5525 5576 5800 5945 6032 6409 6500 6560 6800 6970 7072 7250 7540 7888 8000 8125 8200 8320 8500 8528 8840 9061 9280 9425 9512 9860 10000 10250 10400 10625 10660 10880 11050 11152 11600 11890 12064 12325 12818 13000 13120 13325 13600 13940 14144 14500 15080 15457 15776 16000 16250 16400 17000 17056 17425 17680 18122 18125 18560 18850 19024 19720 20000 20213 20500 20800 21250 21320 22100 22304 23200 23780 24128 24650 25625 25636 26000 26240 26650 27200 27625 27880 28288 29000 29725 30160 30914 31552 32045 32500 32800 34000 34112 34850 35360 36244 36250 37700 38048 39440 40000 40426 41000 41600 42500 42640 44200 44608 45305 46400 47125 47560 48256 49300 51250 51272 52000 53300 54400 55250 55760 58000 59450 60320 61625 61828 63104 64090 65000 65600 66625 68000 68224 69700 70720 72488 72500 75400 76096 77285 78880 80000 80852 82000 85000 85280 87125 88400 89216 90610 92800 94250 95120 98600 101065 102500 102544 104000 106600 110500 111520 116000 118900 120640 123250 123656 128180 130000 131200 133250 136000 138125 139400 141440 144976 145000 148625 150800 152192 154570 157760 160225 161704 164000 170000 170560 174250 176800 181220 188500 190240 197200 202130 205000 205088 208000 213200 221000 223040 226525 232000 235625 237800 241280 246500 247312 256360 260000 262769 266500 272000 276250 278800 289952 290000 297250 301600 308125 309140 315520 320450 323408 328000 333125 340000 341120 348500 353600 362440 377000 380480 386425 394400 404260 410000 410176 426400 435625 442000 446080 453050 464000 471250 475600 493000 494624 505325 512720 520000 525538 533000 552500 557600 579904 580000 594500 603200 616250 618280 640900 646816 656000 666250 680000 697000 707200 724880 743125 754000 760960 772850 788800 801125 808520 820000 820352 852800 871250 884000 906100 942500 951200 986000 989248 1010650 1025440 1040000 1051076 1066000 1105000 1115200 1132625 1159808 1160000 1189000 1206400 1232500 1236560 1281800 1293632 1313845 1332500 1360000 1394000 1449760 1486250 1508000 1545700 1577600 1602250 1617040 1640000 1705600 1742500 1768000 1812200 1885000 1902400 1932125 1972000 1978496 2021300 2050880 2102152 2132000 2210000 2230400 2265250 2320000 2378000 2465000 2473120 2526625 2563600 2587264 2627690 2665000 2788000 2899520 2972500 3016000 3091400 3204500 3234080 3280000 3485000 3536000 3624400 3770000 3804800 3864250 3944000 4005625 4042600 4101760 4204304 4264000 4420000 4530500 4756000 4930000 4946240 5053250 5127200 5255380 5330000 5576000 5663125 5799040 5945000 6032000 6182800 6409000 6468160 6569225 6970000 7248800 7540000 7728500 7888000 8011250 8085200 8408608 8528000 8840000 9061000 9512000 9660625 9860000 9892480 10106500 10254400 10510760 10660000 11152000 11326250 11890000 12365600 12633125 12818000 12936320 13138450 13940000 14497600 15080000 15457000 16022500 16170400 16817216 17680000 18122000 19024000 19321250 19720000 20213000 20508800 21021520 21320000 22652500 23780000 24731200 25266250 25636000 26276900 27880000 28995200 30160000 30914000 32045000 32340800 32846125 33634432 36244000 38642500 39440000 40426000 42043040 42640000 45305000 47560000 49462400 50532500 51272000 52553800 55760000 61828000 64090000 64681600 65692250 72488000 77285000 80852000 84086080 90610000 95120000 101065000 102544000 105107600 123656000 128180000 131384500 144976000 154570000 161704000 164230625 168172160 181220000 202130000 210215200 247312000 256360000 262769000 309140000 323408000 328461250 362440000 404260000 420430400 512720000 525538000 618280000 656922500 724880000 808520000 840860800 1051076000 1236560000 1313845000 1617040000 2102152000 2627690000 4204304000 5255380000 10510760000 21021520000
- Sum of all divisors σ(n): 63235695600
- Sum of proper divisors (its aliquot sum) s(n): 42214175600
- 21021520000 is an abundant number, because the sum of its proper divisors (42214175600) is greater than itself. Its abundance is 21192655600
Bases of 21021520000
- Binary: 100111001001111101011110000100000002
- Hexadecimal: 0x4E4FAF080
- Base-36: 9NNO4N4
Squares and roots of 21021520000
- 21021520000 squared (210215200002) is 441904303110400000000
- 21021520000 cubed (210215200003) is 9289500145921335808000000000000
-
The
square root of 21021520000 is 144987.9995034071 -
The
cube root of 21021520000 is 2759.8662681125
Scales and comparisons
How big is 21021520000?- 21,021,520,000 seconds is equal to 668 years, 21 weeks, 5 days, 15 hours, 6 minutes, 40 seconds.
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To count from 1 to 21,021,520,000 would take you about one thousand, three hundred thirty-six 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 21021520000 cubic inches would be around 230 feet tall.
Recreational maths with 21021520000
- 21021520000 backwards is 00002512012
- 21021520000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21021520000's digits is 13
- More coming soon!
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