30897531 is an odd 8-digits composite number following 30897530
and preceding 30897532 . In scientific notation, it is written as 3.0897531 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 16 positive divisors.
There are 17655408 positive integers (up to 30897531) that are relatively prime to 30897531.
30897531 has 16 divisors, whose sum is 47954720
The reverse of 30897531 is 13579803
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 five hundred thirty-one
Scientific notation
3.0897531 × 10^7
Engineering notation
3.0897531 × 10^6
Prime Factorization
3 × 21 × 3 × 3 × 54493
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3433059
Product of the distinct prime numbers
The prime factorization of 30897531 is 3 × 21 × 3 × 3 × 54493.
Since it has a total of 5 prime factors.
2 , 6 , 12 , 61 , 544 , 960 , 6057 , 7114 , 39129 , 33303 , 492629 , 127105 , 6834141 , 690786 , 64502874 , 92001836 , 297138284 , 865958497 , 6489633421 , 1416737298
n×2
61795062
n×3
92692593
n×4
123590124
n×5
154487655
n÷2
15448765.5
n÷3
10299177
n÷3
7724382.75
n÷5
6179506.2
n2
954657421895961
n3
2.9496557287411E+22
n4
9.1137079318104E+29
n5
2.8159107334806E+37
2 √n
5558.5547582083
3 √n
313.79156044849
4 √n
74.555715798377
5 √n
31.476378232992
1 , 3 , 9 , 21 , 27 , 63 , 189 , 567 , 54493 , 163479 , 490437 , 1144353 , 1471311 , 3433059 , 10299177 , 30897531
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30897530
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30897531 can be divided by 16 positive divisors.
The sum of these divisors (counting 30897531) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110101110111010101111011
3
Ternary
2011010202110000
4
Quaternary
1311313111323
5
Quinary
30402210111
6
Senary
3022124043
8
Octal
165672573
10
Decimal
30897531
12
Duodecimal
a420623
16
Hexadecimal
1d7757b
20
Vigesimal
9d23gb
36
Base36
ie8or
md5
e2b33171304b9c2928d051cb451088e6
sha1
9fa79cf6bbe294d2a930b08903e3cf0a68c5d932
sha256
7bc9276dc3c09444c81509aa54193a57b05984f3603a4546ce59916f98046e23
sha512
be3c48e36ad33cb6e452e800029a79e331d896bcd95076eb539c83a3c0fc6a475ecfbc467ec90ac9c10d38b30d8e327c9dd4b2c0c85cb7f4064c5d93b63a838b
ripemd-160
6edb770c72299f825940aec7cf01c5cdf5831160
Diameter
61795062
Circumference
194134912.80733
Area
2.9991447433233E+15
Volume
1.2355489024043E+23
Surface area
1.1996578973293E+16
Circumference
194134912.80733
Perimeter
123590124
Area
954657421895961
Diagonal
43695707.384043
Surface area
5727944531375766
Volume
2.9496557287411E+22
Space diagonal
53516093.520434
Perimeter
92692593
Area
4.1337878963663E+14
Altitude
26758046.760217
Surface area
4.1337878963663E+14
Volume
3.4762026132642E+21
Height
14565235.794681