21047931000
21,047,931,000 is an even composite number composed of five prime numbers multiplied together.
21047931000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21047931000:
23 × 35 × 53 × 37 × 2341
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 5 × 37 × 2341)See below for interesting mathematical facts about the number 21047931000 from the Numbermatics database.
Names of 21047931000
- Cardinal: 21047931000 can be written as Twenty-one billion, forty-seven million, nine hundred thirty-one thousand.
Scientific notation
- Scientific notation: 2.1047931 × 1010
Factors of 21047931000
Divisors of 21047931000
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 27 30 36 37 40 45 50 54 60 72 74 75 81 90 100 108 111 120 125 135 148 150 162 180 185 200 216 222 225 243 250 270 296 300 324 333 360 370 375 405 444 450 486 500 540 555 600 648 666 675 740 750 810 888 900 925 972 999 1000 1080 1110 1125 1215 1332 1350 1480 1500 1620 1665 1800 1850 1944 1998 2025 2220 2250 2341 2430 2664 2700 2775 2997 3000 3240 3330 3375 3700 3996 4050 4440 4500 4625 4682 4860 4995 5400 5550 5994 6075 6660 6750 7023 7400 7992 8100 8325 8991 9000 9250 9364 9720 9990 10125 11100 11705 11988 12150 13320 13500 13875 14046 14985 16200 16650 17982 18500 18728 19980 20250 21069 22200 23410 23976 24300 24975 27000 27750 28092 29970 30375 33300 35115 35964 37000 39960 40500 41625 42138 44955 46820 48600 49950 55500 56184 58525 59940 60750 63207 66600 70230 71928 74925 81000 83250 84276 86617 89910 93640 99900 105345 111000 117050 119880 121500 124875 126414 140460 149850 166500 168552 173234 175575 179820 189621 199800 210690 224775 234100 243000 249750 252828 259851 280920 292625 299700 316035 333000 346468 351150 359640 374625 379242 421380 433085 449550 468200 499500 505656 519702 526725 568863 585250 599400 632070 692936 702300 749250 758484 779553 842760 866170 877875 899100 948105 999000 1039404 1053450 1123875 1137726 1170500 1264140 1299255 1404600 1498500 1516968 1559106 1580175 1732340 1755750 1798200 1896210 2078808 2106900 2165425 2247750 2275452 2338659 2341000 2528280 2598510 2633625 2844315 2997000 3118212 3160350 3464680 3511500 3792420 3897765 4213800 4330850 4495500 4550904 4677318 4740525 5197020 5267250 5688630 6236424 6320700 6496275 7015977 7023000 7584840 7795530 7900875 8661700 8991000 9354636 9481050 10394040 10534500 10827125 11377260 11693295 12641400 12992550 14031954 14221575 15591060 15801750 17323400 18709272 18962100 19488825 21047931 21069000 21654250 22754520 23386590 23702625 25985100 28063908 28443150 31182120 31603500 32481375 35079885 37924200 38977650 42095862 43308500 46773180 47405250 51970200 56127816 56886300 58466475 63207000 64962750 70159770 71107875 77955300 84191724 86617000 93546360 94810500 97444125 105239655 113772600 116932950 129925500 140319540 142215750 155910600 168383448 175399425 189621000 194888250 210479310 233865900 259851000 280639080 284431500 292332375 350798850 389776500 420958620 467731800 526198275 568863000 584664750 701597700 779553000 841917240 876997125 1052396550 1169329500 1403195400 1753994250 2104793100 2338659000 2630991375 3507988500 4209586200 5261982750 7015977000 10523965500 21047931000
- Sum of all divisors σ(n): 75803232960
- Sum of proper divisors (its aliquot sum) s(n): 54755301960
- 21047931000 is an abundant number, because the sum of its proper divisors (54755301960) is greater than itself. Its abundance is 33707370960
Bases of 21047931000
- Binary: 100111001101000110111110000011110002
- Hexadecimal: 0x4E68DF078
- Base-36: 9O3E7I0
Squares and roots of 21047931000
- 21047931000 squared (210479310002) is 443015399380761000000
- 21047931000 cubed (210479310003) is 9324557558103700255491000000000
-
The
square root of 21047931000 is 145079.0508653817 -
The
cube root of 21047931000 is 2761.0215972407
Scales and comparisons
How big is 21047931000?- 21,047,931,000 seconds is equal to 669 years, 13 weeks, 3 days, 7 hours, 30 minutes.
-
To count from 1 to 21,047,931,000 would take you about one thousand, three hundred thirty-eight 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 21047931000 cubic inches would be around 230.1 feet tall.
Recreational maths with 21047931000
- 21047931000 backwards is 00013974012
- 21047931000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21047931000's digits is 27
- More coming soon!
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The information we have on file for 21047931000 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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