21131437 is an odd 8-digits composite number following 21131436
and preceding 21131438 . In scientific notation, it is written as 2.1131437 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 20784960 positive integers (up to 21131437) that are relatively prime to 21131437.
21131437 has 4 divisors, whose sum is 21477916
The reverse of 21131437 is 73413112
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million one hundred thirty-one thousand four hundred thirty-seven
Scientific notation
2.1131437 × 10^7
Engineering notation
2.1131437 × 10^6
Prime Factorization
61 × 346417
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21131437
Product of the distinct prime numbers
The prime factorization of 21131437 is 61 × 346417.
Since it has a total of 2 prime factors.
1 , 8 , 39 , 23 , 89 , 372 , 1565 , 5563 , 91848 , 64139 , 538374 , 734913 , 2293101 , 1103588 , 54541076 , 24385510 , 932747732 , 160536204 , 7876217013 , 8593567031
n×2
42262874
n×3
63394311
n×4
84525748
n×5
105657185
n÷2
10565718.5
n÷3
7043812.3333333
n÷3
5282859.25
n÷5
4226287.4
n2
446537629684969
n3
9.4359817898173E+21
n4
1.9939585472467E+29
n5
4.2135209421755E+36
2 √n
4596.8942776618
3 √n
276.4668157209
4 √n
67.80040027656
5 √n
29.173316674339
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21131436
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21131437 can be divided by 4 positive divisors.
The sum of these divisors (counting 21131437) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100111000010101101
3
Ternary
1110202120212211
4
Quaternary
1100213002231
5
Quinary
20402201222
6
Senary
2032530421
8
Octal
120470255
10
Decimal
21131437
12
Duodecimal
70b0a11
16
Hexadecimal
14270ad
20
Vigesimal
6c18bh
36
Base36
ckx4d
md5
c32164bf53985dd4cbfcd4626242d2de
sha1
25253ddd9e5bb74c307c952e3cb7ab11314c268d
sha256
5685950357428944e516a81eedcfbf6cef65043031f4770390072e44effd0075
sha512
26e45cc1d6a9ab76b9f99f00c352a5919a2754bcd6a53a4d00d606d8bd1115100c241bc3c77838ec3e31e66e03f72b07c93062d97c1125e72fb67ff375c908a3
ripemd-160
6583ea9be4252532cc68c92ee49e7e86b54129f2
Diameter
42262874
Circumference
132772734.47799
Area
1.4028393369697E+15
Volume
3.9525348093729E+22
Surface area
5.6113573478788E+15
Circumference
132772734.47799
Perimeter
84525748
Area
446537629684969
Diagonal
29884364.797833
Surface area
2679225778109814
Volume
9.4359817898173E+21
Space diagonal
36600722.520941
Perimeter
63394311
Area
1.9335646552644E+14
Altitude
18300361.26047
Surface area
1.9335646552644E+14
Volume
1.1120411184554E+21
Height
9961454.9326109