20921140 is an even 8-digits composite number following 20921139
and preceding 20921141 . In scientific notation, it is written as 2.0921140 × 10^7.
The sum of its digits is 19. It has a total of 5 prime factors and 24 positive divisors.
There are 8284800 positive integers (up to 20921140) that are relatively prime to 20921140.
20921140 has 24 divisors, whose sum is 44373672
The reverse of 20921140 is 04112902
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million nine hundred twenty-one thousand one hundred forty
Scientific notation
2.0921140 × 10^7
Engineering notation
2.0921140 × 10^6
Prime Factorization
2 × 2 × 5 × 101 × 10357
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10460570
Product of the distinct prime numbers
The prime factorization of 20921140 is 2 × 2 × 5 × 101 × 10357.
Since it has a total of 5 prime factors.
1 , 1 , 35 , 86 , 58 , 115 , 2726 , 5802 , 69786 , 77378 , 436550 , 614262 , 8755363 , 3244517 , 62675009 , 47775384 , 375350019 , 798704998 , 7593125547 , 7370771364
n×2
41842280
n×3
62763420
n×4
83684560
n×5
104605700
n÷2
10460570
n÷3
6973713.3333333
n÷3
5230285
n÷5
4184228
n2
437694098899600
n3
9.1570595202524E+21
n4
1.9157612421153E+29
n5
4.0079909152869E+36
2 √n
4573.9632705128
3 √n
275.54663720799
4 √n
67.631082133238
5 √n
29.115018415469
1 , 2 , 4 , 5 , 10 , 20 , 101 , 202 , 404 , 505 , 1010 , 2020 , 10357 , 20714 , 41428 , 51785 , 103570 , 207140 , 1046057 , 2092114 , 4184228 , 5230285 , 10460570 , 20921140
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20921139
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20921140 can be divided by 24 positive divisors.
The sum of these divisors (counting 20921140) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111110011101100110100
3
Ternary
1110100220102001
4
Quaternary
1033303230310
5
Quinary
20323434030
6
Senary
2024225044
8
Octal
117635464
10
Decimal
20921140
12
Duodecimal
700b184
16
Hexadecimal
13f3b34
20
Vigesimal
6af2h0
36
Base36
cgeus
md5
c1d8cb23ad21e1cb8b487b1a1afc3b3a
sha1
23ff0b97237ecfd839a7652c270e55187aaaa72f
sha256
d92556a38efefd94383cc4cf23dd2afe7fa216ed8720a0c9a868659c6303796b
sha512
7e8a049fa21cc820be2ba17360a83f582a301dc99074a9255368c846578c88134241eeedb2f6fdc1c4d35087eed5da3f24dcaaf5b7deb035b428ce2c2c454202
ripemd-160
c40580f40896137347b31c37ad8fef6fc3e3fbba
Diameter
41842280
Circumference
131451399.45745
Area
1.3750565656226E+15
Volume
3.8357001223079E+22
Surface area
5.5002262624904E+15
Circumference
131451399.45745
Perimeter
83684560
Area
437694098899600
Diagonal
29586959.928306
Surface area
2626164593397600
Volume
9.1570595202524E+21
Space diagonal
36236477.432262
Perimeter
62763420
Area
1.895271043668E+14
Altitude
18118238.716131
Surface area
1.895271043668E+14
Volume
1.0791698137499E+21
Height
9862319.9761021