21031656 is an even 8-digits composite number following 21031655
and preceding 21031657 . In scientific notation, it is written as 2.1031656 × 10^7.
The sum of its digits is 24. It has a total of 6 prime factors and 32 positive divisors.
There are 6988160 positive integers (up to 21031656) that are relatively prime to 21031656.
21031656 has 32 divisors, whose sum is 52747200
The reverse of 21031656 is 65613012
Previous prime number is 359
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million thirty-one thousand six hundred fifty-six
Scientific notation
2.1031656 × 10^7
Engineering notation
2.1031656 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 359 × 2441
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5257914
Product of the distinct prime numbers
The prime factorization of 21031656 is 2 × 2 × 2 × 3 × 359 × 2441.
Since it has a total of 6 prime factors.
10 , 2 , 48 , 41 , 94 , 398 , 3884 , 3684 , 44868 , 15171 , 489221 , 973082 , 421129 , 641789 , 94359841 , 18971700 , 731151743 , 589053045 , 8219012824 , 574991078
n×2
42063312
n×3
63094968
n×4
84126624
n×5
105158280
n÷2
10515828
n÷3
7010552
n÷3
5257914
n÷5
4206331.2
n2
442330554102336
n3
9.3029440521697E+21
n4
1.9565631909248E+29
n5
4.1149763973793E+36
2 √n
4586.0283470559
3 √n
276.03097740943
4 √n
67.72022110903
5 √n
29.145713663359
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 359 , 718 , 1077 , 1436 , 2154 , 2441 , 2872 , 4308 , 4882 , 7323 , 8616 , 9764 , 14646 , 19528 , 29292 , 58584 , 876319 , 1752638 , 2628957 , 3505276 , 5257914 , 7010552 , 10515828 , 21031656
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031655
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031656 can be divided by 32 positive divisors.
The sum of these divisors (counting 21031656) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000001110101011101000
3
Ternary
1110120112000020
4
Quaternary
1100032223220
5
Quinary
20341003111
6
Senary
2030440440
8
Octal
120165350
10
Decimal
21031656
12
Duodecimal
7063120
16
Hexadecimal
140eae8
20
Vigesimal
6b8j2g
36
Base36
cis4o
md5
cdabb173130c0da6e612966c8d3f3bce
sha1
a4452eb41af7358fc4b4e8ee6ac2bd61f40955c8
sha256
008130360e5b692959c0fa4d094ec13285c0bb4f86e224afae98f2c8f0dec3aa
sha512
648dbeb1bf45f13ba54ead9a8c28483eaa7de8b4016b534e8280d4c55cecee7a56725ff97f420b7a132bf454c0fc24e335122efd67114831be7ed52cc4e1910a
ripemd-160
985bca03da33f31a291ecf73a432469ad40f7b4e
Diameter
42063312
Circumference
132145791.96486
Area
1.3896224192262E+15
Volume
3.8968080921404E+22
Surface area
5.5584896769048E+15
Circumference
132145791.96486
Perimeter
84126624
Area
442330554102336
Diagonal
29743253.154365
Surface area
2653983324614016
Volume
9.3029440521697E+21
Space diagonal
36427896.759311
Perimeter
63094968
Area
1.9153474836134E+14
Altitude
18213948.379655
Surface area
1.9153474836134E+14
Volume
1.0963624707147E+21
Height
9914417.7181218