20631640 is an even 8-digits composite number following 20631639
and preceding 20631641 . In scientific notation, it is written as 2.0631640 × 10^7.
The sum of its digits is 22. It has a total of 6 prime factors and 32 positive divisors.
There are 8146944 positive integers (up to 20631640) that are relatively prime to 20631640.
20631640 has 32 divisors, whose sum is 47016000
The reverse of 20631640 is 04613602
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million six hundred thirty-one thousand six hundred forty
Scientific notation
2.0631640 × 10^7
Engineering notation
2.0631640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 79 × 6529
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5157910
Product of the distinct prime numbers
The prime factorization of 20631640 is 2 × 2 × 2 × 5 × 79 × 6529.
Since it has a total of 6 prime factors.
3 , 4 , 69 , 4 , 912 , 46 , 9069 , 2935 , 22429 , 12488 , 236730 , 899693 , 8287903 , 1164801 , 70427299 , 98901203 , 494529031 , 787807570 , 7761810048 , 7703387347
n×2
41263280
n×3
61894920
n×4
82526560
n×5
103158200
n÷2
10315820
n÷3
6877213.3333333
n÷3
5157910
n÷5
4126328
n2
425664569089600
n3
8.7821581502118E+21
n4
1.8119032537823E+29
n5
3.7382535646866E+36
2 √n
4542.2065122581
3 √n
274.2697540523
4 √n
67.395893882774
5 √n
29.033991827345
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 79 , 158 , 316 , 395 , 632 , 790 , 1580 , 3160 , 6529 , 13058 , 26116 , 32645 , 52232 , 65290 , 130580 , 261160 , 515791 , 1031582 , 2063164 , 2578955 , 4126328 , 5157910 , 10315820 , 20631640
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
-20631639
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 20631640 can be divided by 32 positive divisors.
The sum of these divisors (counting 20631640) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110101101000001011000
3
Ternary
1102211012021211
4
Quaternary
1032231001120
5
Quinary
20240203030
6
Senary
2014112504
8
Octal
116550130
10
Decimal
20631640
12
Duodecimal
6aab734
16
Hexadecimal
13ad058
20
Vigesimal
68ij20
36
Base36
ca7h4
md5
a18af2f2b1ca821d9a6aa9ef6e0b12bd
sha1
d13354df52ce145242fcc48d778a8b57f204dd68
sha256
9fe06a0b3f094b3fef367d2506dd23cef5ddee448f02c98e25a4ea0eed7a73ca
sha512
f7a1f36b7a9ff643fc484b6dad621aeeb2011388ecad730faca928b1c843740b18be77f0005bd23af1d5c53b6828d189cb07f0b9bd54a857882812c1fbec3055
ripemd-160
7750a93d84bb86c950656cb37fab01df9e76ccd7
Diameter
41263280
Circumference
129632417.31102
Area
1.3372646831454E+15
Volume
3.6786618036492E+22
Surface area
5.3490587325814E+15
Circumference
129632417.31102
Perimeter
82526560
Area
425664569089600
Diagonal
29177545.101999
Surface area
2553987414537600
Volume
8.7821581502118E+21
Space diagonal
35735048.72347
Perimeter
61894920
Area
1.8431816516127E+14
Altitude
17867524.361735
Surface area
1.8431816516127E+14
Volume
1.0349872635779E+21
Height
9725848.3673331