20890440
20,890,440 is an even composite number composed of five prime numbers multiplied together.
20890440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 20890440:
23 × 33 × 5 × 23 × 292
(2 × 2 × 2 × 3 × 3 × 3 × 5 × 23 × 29 × 29)See below for interesting mathematical facts about the number 20890440 from the Numbermatics database.
Names of 20890440
- Cardinal: 20890440 can be written as Twenty million, eight hundred ninety thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.089044 × 107
Factors of 20890440
Divisors of 20890440
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 23 24 27 29 30 36 40 45 46 54 58 60 69 72 87 90 92 108 115 116 120 135 138 145 174 180 184 207 216 230 232 261 270 276 290 345 348 360 414 435 460 522 540 552 580 621 667 690 696 783 828 841 870 920 1035 1044 1080 1160 1242 1305 1334 1380 1566 1656 1682 1740 2001 2070 2088 2484 2523 2610 2668 2760 3105 3132 3335 3364 3480 3915 4002 4140 4205 4968 5046 5220 5336 6003 6210 6264 6670 6728 7569 7830 8004 8280 8410 10005 10092 10440 12006 12420 12615 13340 15138 15660 16008 16820 18009 19343 20010 20184 22707 24012 24840 25230 26680 30015 30276 31320 33640 36018 37845 38686 40020 45414 48024 50460 58029 60030 60552 72036 75690 77372 80040 90045 90828 96715 100920 113535 116058 120060 144072 151380 154744 174087 180090 181656 193430 227070 232116 240120 290145 302760 348174 360180 386860 454140 464232 522261 580290 696348 720360 773720 870435 908280 1044522 1160580 1392696 1740870 2089044 2321160 2611305 3481740 4178088 5222610 6963480 10445220 20890440
- Sum of all divisors σ(n): 75254400
- Sum of proper divisors (its aliquot sum) s(n): 54363960
- 20890440 is an abundant number, because the sum of its proper divisors (54363960) is greater than itself. Its abundance is 33473520
Bases of 20890440
- Binary: 10011111011000011010010002
- Hexadecimal: 0x13EC348
- Base-36: CFR60
Squares and roots of 20890440
- 20890440 squared (208904402) is 436410483393600
- 20890440 cubed (208904403) is 9116807018704997184000
-
The
square root of 20890440 is 4570.6060867241 -
The
cube root of 20890440 is 275.4117907815
Scales and comparisons
How big is 20890440?- 20,890,440 seconds is equal to 34 weeks, 3 days, 18 hours, 54 minutes.
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To count from 1 to 20,890,440 would take you about fifty-one weeks!
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 20890440 cubic inches would be around 23 feet tall.
Recreational maths with 20890440
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The information we have on file for 20890440 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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