20572561 is an odd 8-digits composite number following 20572560
and preceding 20572562 . In scientific notation, it is written as 2.0572561 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 19908900 positive integers (up to 20572561) that are relatively prime to 20572561.
20572561 has 4 divisors, whose sum is 21236224
The reverse of 20572561 is 16527502
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million five hundred seventy-two thousand five hundred sixty-one
Scientific notation
2.0572561 × 10^7
Engineering notation
2.0572561 × 10^6
Prime Factorization
31 × 663631
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20572561
Product of the distinct prime numbers
The prime factorization of 20572561 is 31 × 663631.
Since it has a total of 2 prime factors.
1 , 5 , 79 , 37 , 305 , 430 , 6254 , 6687 , 6290 , 2719 , 941661 , 157658 , 5240664 , 2840243 , 76441068 , 59480302 , 782756598 , 158025051 , 2494161169 , 276335617
n×2
41145122
n×3
61717683
n×4
82290244
n×5
102862805
n÷2
10286280.5
n÷3
6857520.3333333
n÷3
5143140.25
n÷5
4114512.2
n2
423230266098721
n3
8.7069304663622E+21
n4
1.7912385814199E+29
n5
3.6850364981815E+36
2 √n
4535.6985129085
3 √n
274.00771196792
4 √n
67.347594707669
5 √n
29.017344897685
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
-20572560
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 20572561 can be divided by 4 positive divisors.
The sum of these divisors (counting 20572561) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110011110100110010001
3
Ternary
1102201012020201
4
Quaternary
1032132212101
5
Quinary
20231310221
6
Senary
2012535201
8
Octal
116364621
10
Decimal
20572561
12
Duodecimal
6a81501
16
Hexadecimal
139e991
20
Vigesimal
68bb81
36
Base36
c8xw1
md5
a08bf04f3adce35df4a7ba8d39df8f63
sha1
db43aeeea8b7502323f5f6158a02162495ec7bbc
sha256
b4d93b9996adfde8830a6afa8c70c7910d69fc4c8815cfda6aa6bc1be258a7d2
sha512
3a90af9af37cbdcda249916bc23920383ac43e94b0fa37cf244a9e8fe3dd00a9134505ba4219c174f44fe068ceff0a78f201a5d7adeda5300156d6a2a679e17f
ripemd-160
dad2900aa7b6d6e334c7be432f046e280093e925
Diameter
41145122
Circumference
129261213.00626
Area
1.3296170947526E+15
Volume
3.6471505051254E+22
Surface area
5.3184683790104E+15
Circumference
129261213.00626
Perimeter
82290244
Area
423230266098721
Diagonal
29093994.778948
Surface area
2539381596592326
Volume
8.7069304663622E+21
Space diagonal
35632720.89381
Perimeter
61717683
Area
1.8326408104597E+14
Altitude
17816360.446905
Surface area
1.8326408104597E+14
Volume
1.0261215960141E+21
Height
9697998.2596493