30897955 is an odd 8-digits composite number following 30897954
and preceding 30897956 . In scientific notation, it is written as 3.0897955 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 22470800 positive integers (up to 30897955) that are relatively prime to 30897955.
30897955 has 12 divisors, whose sum is 40755456
The reverse of 30897955 is 55979803
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
thirty million eight hundred ninety-seven thousand nine hundred fifty-five
Scientific notation
3.0897955 × 10^7
Engineering notation
3.0897955 × 10^6
Prime Factorization
5 × 11 × 11 × 51071
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2808905
Product of the distinct prime numbers
The prime factorization of 30897955 is 5 × 11 × 11 × 51071.
Since it has a total of 4 prime factors.
3 , 1 , 46 , 13 , 780 , 159 , 6411 , 1926 , 1989 , 4299 , 27308 , 544686 , 7564798 , 610929 , 27111976 , 50952605 , 334977807 , 312416751 , 2707120944 , 7065322481
n×2
61795910
n×3
92693865
n×4
123591820
n×5
154489775
n÷2
15448977.5
n÷3
10299318.333333
n÷3
7724488.75
n÷5
6179591
n2
954683623182025
n3
2.9497771628315E+22
n4
9.1142082037196E+29
n5
2.8161039493916E+37
2 √n
5558.5928974876
3 √n
313.79299580604
4 √n
74.555971574969
5 √n
31.476464621197
1 , 5 , 11 , 55 , 121 , 605 , 51071 , 255355 , 561781 , 2808905 , 6179591 , 30897955
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30897954
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30897955 can be divided by 12 positive divisors.
The sum of these divisors (counting 30897955) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110101110111011100100011
3
Ternary
2011010210000201
4
Quaternary
1311313130203
5
Quinary
30402213310
6
Senary
3022130031
8
Octal
165673443
10
Decimal
30897955
12
Duodecimal
a420917
16
Hexadecimal
1d77723
20
Vigesimal
9d24hf
36
Base36
ie90j
md5
fa6a1714f8c30f95c1e5ceca5be77fe2
sha1
255a73a6dc5347b0311dced0d01e626d2c0bbe06
sha256
a92c75f4a09b11f134627c98f6232ad22302311626000b6c70a9e73c4b326579
sha512
09a109607db4962b838ffce32a6a72ae53cdbd5f030e08b03da7a8ab751de8933aa6333f2b456dc3ada6c2ad64d9e64a749a176ac58df48ab2dc31c1effddf48
ripemd-160
0bd913c4042b705e54f09314ea4718d4db268ab6
Diameter
61795910
Circumference
194137576.8779
Area
2.9992270570911E+15
Volume
1.2355997685971E+23
Surface area
1.1996908228365E+16
Circumference
194137576.8779
Perimeter
123591820
Area
954683623182025
Diagonal
43696307.010594
Surface area
5728101739092150
Volume
2.9497771628315E+22
Space diagonal
53516827.909977
Perimeter
92693865
Area
4.133901351263E+14
Altitude
26758413.954988
Surface area
4.133901351263E+14
Volume
3.4763457247123E+21
Height
14565435.670198