21031624 is an even 8-digits composite number following 21031623
and preceding 21031625 . In scientific notation, it is written as 2.1031624 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 8 positive divisors.
There are 10515808 positive integers (up to 21031624) that are relatively prime to 21031624.
21031624 has 8 divisors, whose sum is 39434310
The reverse of 21031624 is 42613012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million thirty-one thousand six hundred twenty-four
Scientific notation
2.1031624 × 10^7
Engineering notation
2.1031624 × 10^6
Prime Factorization
2 × 2 × 2 × 2628953
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5257906
Product of the distinct prime numbers
The prime factorization of 21031624 is 2 × 2 × 2 × 2628953.
Since it has a total of 4 prime factors.
10 , 4 , 52 , 1 , 170 , 459 , 8187 , 9921 , 78538 , 17296 , 233554 , 399691 , 9712881 , 6330516 , 44185878 , 1599280 , 477793822 , 710588024 , 8711671954 , 6001829646
n×2
42063248
n×3
63094872
n×4
84126496
n×5
105158120
n÷2
10515812
n÷3
7010541.3333333
n÷3
5257906
n÷5
4206324.8
n2
442329208077376
n3
9.3029015885011E+21
n4
1.9565512831836E+29
n5
4.1149450924635E+36
2 √n
4586.0248581969
3 √n
276.03083741418
4 √n
67.720195349666
5 √n
29.14570479422
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031623
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031624 can be divided by 8 positive divisors.
The sum of these divisors (counting 21031624) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001110101011001000
3
Ternary
1110120111222001
4
Quaternary
1100032223020
5
Quinary
20341002444
6
Senary
2030440344
8
Octal
120165310
10
Decimal
21031624
12
Duodecimal
70630b4
16
Hexadecimal
140eac8
20
Vigesimal
6b8j14
36
Base36
cis3s
md5
f297b13ecc6aed5de547880b6e090e25
sha1
cadba95d0fb3f448af400808fa6007e7aacd6a09
sha256
7be2c7e71cc051ffc4a8f6d34b549e85683b7ad7ec8ee73b86549a8a5f33c75c
sha512
5ae44cca9a5c04572f429c88e76b961237be86960b41f9642104e0958531e48a3c70b81d58b406502caf1693b8f06ac25600f3ef7074eca6eb2281c013da93d7
ripemd-160
c0f660dbdfe71fd40b3fe4d9a19a17c9ef79b774
Diameter
42063248
Circumference
132145590.90293
Area
1.3896181905641E+15
Volume
3.8967903050005E+22
Surface area
5.5584727622563E+15
Circumference
132145590.90293
Perimeter
84126496
Area
442329208077376
Diagonal
29743207.899531
Surface area
2653975248464256
Volume
9.3029015885011E+21
Space diagonal
36427841.333685
Perimeter
63094872
Area
1.9153416551543E+14
Altitude
18213920.666842
Surface area
1.9153416551543E+14
Volume
1.0963574663234E+21
Height
9914402.6331772