21386816000
21,386,816,000 is an even composite number composed of five prime numbers multiplied together.
21386816000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21386816000:
29 × 53 × 11 × 17 × 1787
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 11 × 17 × 1787)See below for interesting mathematical facts about the number 21386816000 from the Numbermatics database.
Names of 21386816000
- Cardinal: 21386816000 can be written as Twenty-one billion, three hundred eighty-six million, eight hundred sixteen thousand.
Scientific notation
- Scientific notation: 2.1386816 × 1010
Factors of 21386816000
Divisors of 21386816000
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 4 5 8 10 11 16 17 20 22 25 32 34 40 44 50 55 64 68 80 85 88 100 110 125 128 136 160 170 176 187 200 220 250 256 272 275 320 340 352 374 400 425 440 500 512 544 550 640 680 704 748 800 850 880 935 1000 1088 1100 1280 1360 1375 1408 1496 1600 1700 1760 1787 1870 2000 2125 2176 2200 2560 2720 2750 2816 2992 3200 3400 3520 3574 3740 4000 4250 4352 4400 4675 5440 5500 5632 5984 6400 6800 7040 7148 7480 8000 8500 8704 8800 8935 9350 10880 11000 11968 12800 13600 14080 14296 14960 16000 17000 17600 17870 18700 19657 21760 22000 23375 23936 27200 28160 28592 29920 30379 32000 34000 35200 35740 37400 39314 43520 44000 44675 46750 47872 54400 57184 59840 60758 64000 68000 70400 71480 74800 78628 88000 89350 93500 95744 98285 108800 114368 119680 121516 136000 140800 142960 149600 151895 157256 176000 178700 187000 196570 217600 223375 228736 239360 243032 272000 285920 299200 303790 314512 334169 352000 357400 374000 393140 446750 457472 478720 486064 491425 544000 571840 598400 607580 629024 668338 704000 714800 748000 759475 786280 893500 914944 972128 982850 1088000 1143680 1196800 1215160 1258048 1336676 1429600 1496000 1518950 1572560 1670845 1787000 1944256 1965700 2287360 2393600 2430320 2457125 2516096 2673352 2859200 2992000 3037900 3145120 3341690 3574000 3797375 3888512 3931400 4574720 4860640 4914250 5032192 5346704 5718400 5984000 6075800 6290240 6683380 7148000 7594750 7777024 7862800 8354225 9721280 9828500 10064384 10693408 11436800 11968000 12151600 12580480 13366760 14296000 15189500 15554048 15725600 16708450 19442560 19657000 21386816 22873600 24303200 25160960 26733520 28592000 30379000 31451200 33416900 38885120 39314000 41771125 42773632 48606400 50321920 53467040 57184000 60758000 62902400 66833800 77770240 78628000 83542250 85547264 97212800 106934080 114368000 121516000 125804800 133667600 157256000 167084500 171094528 194425600 213868160 243032000 251609600 267335200 314512000 334169000 388851200 427736320 486064000 534670400 629024000 668338000 855472640 972128000 1069340800 1258048000 1336676000 1944256000 2138681600 2673352000 4277363200 5346704000 10693408000 21386816000
- Sum of all divisors σ(n): 61634162304
- Sum of proper divisors (its aliquot sum) s(n): 40247346304
- 21386816000 is an abundant number, because the sum of its proper divisors (40247346304) is greater than itself. Its abundance is 18860530304
Bases of 21386816000
- Binary: 100111110101100000011101010000000002
- Hexadecimal: 0x4FAC0EA00
- Base-36: 9TP5OU8
Squares and roots of 21386816000
- 21386816000 squared (213868160002) is 457395898617856000000
- 21386816000 cubed (213868160003) is 9782241922894740586496000000000
-
The
square root of 21386816000 is 146242.3194564419 -
The
cube root of 21386816000 is 2775.7608389113
Scales and comparisons
How big is 21386816000?- 21,386,816,000 seconds is equal to 680 years, 1 week, 5 days, 14 hours, 13 minutes, 20 seconds.
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To count from 1 to 21,386,816,000 would take you about one thousand, three hundred sixty 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 21386816000 cubic inches would be around 231.3 feet tall.
Recreational maths with 21386816000
- 21386816000 backwards is 00061868312
- The number of decimal digits it has is: 11
- The sum of 21386816000's digits is 35
- More coming soon!
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