30897621 is an odd 8-digits composite number following 30897620
and preceding 30897622 . In scientific notation, it is written as 3.0897621 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 6 positive divisors.
There are 20598408 positive integers (up to 30897621) that are relatively prime to 30897621.
30897621 has 6 divisors, whose sum is 44629910
The reverse of 30897621 is 12679803
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
thirty million eight hundred ninety-seven thousand six hundred twenty-one
Scientific notation
3.0897621 × 10^7
Engineering notation
3.0897621 × 10^6
Prime Factorization
3 × 3 × 3433069
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10299207
Product of the distinct prime numbers
The prime factorization of 30897621 is 3 × 3 × 3433069.
Since it has a total of 3 prime factors.
5 , 8 , 54 , 43 , 957 , 271 , 1275 , 2255 , 54186 , 16041 , 689172 , 777012 , 8912700 , 4556889 , 2754924 , 61090328 , 439439954 , 324364722 , 9251075935 , 5452942402
n×2
61795242
n×3
92692863
n×4
123590484
n×5
154488105
n÷2
15448810.5
n÷3
10299207
n÷3
7724405.25
n÷5
6179524.2
n2
954662983459641
n3
2.9496815045665E+22
n4
9.1138141198806E+29
n5
2.8159517454052E+37
2 √n
5558.5628538319
3 √n
313.79186512454
4 √n
74.555770090798
5 √n
31.47639657019
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30897620
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30897621 can be divided by 6 positive divisors.
The sum of these divisors (counting 30897621) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1110101110111010111010101
3
Ternary
2011010202120100
4
Quaternary
1311313113111
5
Quinary
30402210441
6
Senary
3022124313
8
Octal
165672725
10
Decimal
30897621
12
Duodecimal
a420699
16
Hexadecimal
1d775d5
20
Vigesimal
9d2411
36
Base36
ie8r9
md5
8e9f4e6bcc73a428c1cb4e065b27ad85
sha1
979c6452a6e9c9a663f8124672712ff5c267bf4e
sha256
8a9eee74541223dc04c7901fb2d3f9504a17c9446368191905dee29c61f7da86
sha512
130648c156ea847221d37686fb7c48f66ea6080004b4a835d809048290fc218132ff8efbb09e7dab6485f63cedca6a7c85cb68334ab7986fcb3c88cd00f2508b
ripemd-160
e78b85c493b4431377e9309f818f87b5c192d429
Diameter
61795242
Circumference
194135478.294
Area
2.9991622154909E+15
Volume
1.2355596993568E+23
Surface area
1.1996648861964E+16
Circumference
194135478.294
Perimeter
123590484
Area
954662983459641
Diagonal
43695834.663264
Surface area
5727977900757846
Volume
2.9496815045665E+22
Space diagonal
53516249.405007
Perimeter
92692863
Area
4.1338119786435E+14
Altitude
26758124.702504
Surface area
4.1338119786435E+14
Volume
3.4762329903659E+21
Height
14565278.221088