30897255 is an odd 8-digits composite number following 30897254
and preceding 30897256 . In scientific notation, it is written as 3.0897255 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 16478528 positive integers (up to 30897255) that are relatively prime to 30897255.
30897255 has 4 divisors, whose sum is 32957088
The reverse of 30897255 is 55279803
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
thirty million eight hundred ninety-seven thousand two hundred fifty-five
Scientific notation
3.0897255 × 10^7
Engineering notation
3.0897255 × 10^6
Prime Factorization
15 × 2059817
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30897255
Product of the distinct prime numbers
The prime factorization of 30897255 is 15 × 2059817.
Since it has a total of 2 prime factors.
1 , 5 , 27 , 53 , 842 , 304 , 7701 , 4997 , 33877 , 72813 , 955703 , 896007 , 5803044 , 7743723 , 34875140 , 57569121 , 104357914 , 451706943 , 4642217800 , 5442607774
n×2
61794510
n×3
92691765
n×4
123589020
n×5
154486275
n÷2
15448627.5
n÷3
10299085
n÷3
7724313.75
n÷5
6179451
n2
954640366535025
n3
2.9495766838126E+22
n4
9.1133822941813E+29
n5
2.815784966558E+37
2 √n
5558.5299315556
3 √n
313.79062610492
4 √n
74.555549300878
5 √n
31.476321998652
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
-30897254
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 30897255 can be divided by 4 positive divisors.
The sum of these divisors (counting 30897255) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110101110111010001100111
3
Ternary
2011010202001210
4
Quaternary
1311313101213
5
Quinary
30402203010
6
Senary
3022122503
8
Octal
165672147
10
Decimal
30897255
12
Duodecimal
a420433
16
Hexadecimal
1d77467
20
Vigesimal
9d232f
36
Base36
ie8h3
md5
cbf9f7cea5503e8eac2e762162408699
sha1
2711b0880ad0388b09858f7a36dff0c0560daccd
sha256
4bd8dce767a472e913b04eaa83f6ceac392faf08b5b17ad6497e8501632c3abf
sha512
a3d1daf254849d9995ff167d7c215d4b5e8c36c0e9d323889137c1c767f46d98c6b54aa4590a8004180a68fb22fdf013ebc26ee25767d6578bf94b7377b15054
ripemd-160
69be30f8943b4d20d6c398d88d73fb42b7954196
Diameter
61794510
Circumference
194133178.64818
Area
2.9990911623267E+15
Volume
1.2355157921421E+23
Surface area
1.1996364649307E+16
Circumference
194133178.64818
Perimeter
123589020
Area
954640366535025
Diagonal
43695317.0611
Surface area
5727842199210150
Volume
2.9495766838126E+22
Space diagonal
53515615.474412
Perimeter
92691765
Area
4.1337140444871E+14
Altitude
26757807.737206
Surface area
4.1337140444871E+14
Volume
3.4761094579227E+21
Height
14565105.687033