20291551 is an odd 8-digits composite number following 20291550
and preceding 20291552 . In scientific notation, it is written as 2.0291551 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 17392752 positive integers (up to 20291551) that are relatively prime to 20291551.
20291551 has 4 divisors, whose sum is 23190352
The reverse of 20291551 is 15519202
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million two hundred ninety-one thousand five hundred fifty-one
Scientific notation
2.0291551 × 10^7
Engineering notation
2.0291551 × 10^6
Prime Factorization
7 × 2898793
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20291551
Product of the distinct prime numbers
The prime factorization of 20291551 is 7 × 2898793.
Since it has a total of 2 prime factors.
8 , 4 , 11 , 49 , 412 , 719 , 6315 , 4788 , 59629 , 71903 , 340102 , 906095 , 3594593 , 5488010 , 65118084 , 51504531 , 121707811 , 735989651 , 8790961645 , 5780636225
n×2
40583102
n×3
60874653
n×4
81166204
n×5
101457755
n÷2
10145775.5
n÷3
6763850.3333333
n÷3
5072887.75
n÷5
4058310.2
n2
411747041985601
n3
8.35498610155E+21
n4
1.6953562658389E+29
n5
3.440140813144E+36
2 √n
4504.6144119114
3 √n
272.75438915903
4 √n
67.116424308148
5 √n
28.9376359559
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
-20291550
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 20291551 can be divided by 4 positive divisors.
The sum of these divisors (counting 20291551) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101011001111111011111
3
Ternary
1102011220202221
4
Quaternary
1031121333133
5
Quinary
20143312201
6
Senary
2002530211
8
Octal
115317737
10
Decimal
20291551
12
Duodecimal
6966967
16
Hexadecimal
1359fdf
20
Vigesimal
66g8hb
36
Base36
c2x27
md5
67a466c90f3773462f3899b2dbc087fa
sha1
3480a8e1092616f09199e3d8c59bfa0600aeeb37
sha256
4206d2c326fae561a15b828d3a4d6fb3cff58ddf94701f4b1ce5a557fb77db64
sha512
a21104951f95a8d5d6ba2d8ffdb600014e633fca125337530cd1e5bf32abc1013f839ed8da695944bd71ed48ff1c9d6861f9b401323abe438ac447d7e1432fcb
ripemd-160
0cd9cf053ef9655f851a4c28099f8bb22d261b76
Diameter
40583102
Circumference
127495575.10309
Area
1.2935414822393E+15
Volume
3.4997283943299E+22
Surface area
5.1741659289572E+15
Circumference
127495575.10309
Perimeter
81166204
Area
411747041985601
Diagonal
28696586.625785
Surface area
2470482251913606
Volume
8.35498610155E+21
Space diagonal
35145997.296375
Perimeter
60874653
Area
1.7829169914631E+14
Altitude
17572998.648188
Surface area
1.7829169914631E+14
Volume
9.8464455485422E+20
Height
9565528.8752618