30897731 (number)

30897731 is an odd 8-digits composite number following 30897730 and preceding 30897732. In scientific notation, it is written as 3.0897731 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 28869120 positive integers (up to 30897731) that are relatively prime to 30897731.

Interesting facts

Basic properties

Name

Name thirty million eight hundred ninety-seven thousand seven hundred thirty-one

Notation

Scientific notation 3.0897731 × 10^7
Engineering notation 3.0897731 × 10^6

Prime Factorization of 30897731

Prime Factorization 31 × 29 × 34369

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 30897731
Product of the distinct prime numbers

The prime factorization of 30897731 is 31 × 29 × 34369. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30897731)

Multiplication

n×y
n×2 61795462
n×3 92693193
n×4 123590924
n×5 154488655

Division

n÷y
n÷2 15448865.5
n÷3 10299243.666667
n÷3 7724432.75
n÷5 6179546.2

Exponentiation

ny
n2 954669780948361
n3 2.9497130085571E+22
n4 9.1139439065599E+29
n5 2.8160018717398E+37

Nth Root

y√n
2√n 5558.572748467
3√n 313.79223750557
4√n 74.555836448041
5√n 31.476418982264

Divisors of 30897731

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -30897730
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 30897731 can be divided by 8 positive divisors. The sum of these divisors (counting 30897731) is 1, the average is 0.125.

Base conversion 30897731

Base System Value
2 Binary 1110101110111011001000011
3 Ternary 2011010202201102
4 Quaternary 1311313121003
5 Quinary 30402211411
6 Senary 3022125015
8 Octal 165673103
10 Decimal 30897731
12 Duodecimal a42076b
16 Hexadecimal 1d77643
20 Vigesimal 9d246b
36 Base36 ie8ub

Cryptographic Hash Functions

md5 d6f5c6c00cbf348337392b40ede01e1e
sha1 3387ffc11610778d61aff216a4880de5442654f3
sha256 272cc999f0b18fdcfedef5aaca957026d5223daf94a6a1c6a69a7e70730861fa
sha512 65d42d57f157b8b2f72b5d0ea8ea31ccb03ca9bf2921a106ab5dac79f74dba9b9c511013c5b5dd258a6910fd2de40b3519f8fd79abf88cbe7ecdbd64db6c9ebf
ripemd-160 dc6b1bd7973eeade057f3252b0a896cd05c6f06e

30897731 as geometric shapes

Circle

Radius = n
Diameter 61795462
Circumference 194136169.44439
Area 2.9991835704315E+15

Sphere

Radius = n
Volume 1.2355728957175E+23
Surface area 1.1996734281726E+16
Circumference 194136169.44439

Square

Length = n
Perimeter 123590924
Area 954669780948361
Diagonal 43695990.226756

Cube

Length = n
Surface area 5728018685690166
Volume 2.9497130085571E+22
Space diagonal 53516439.930596

Equilateral Triangle

Length = n
Perimeter 92693193
Area 4.133841412633E+14
Altitude 26758219.965298

Triangular Pyramid

Length = n
Surface area 4.133841412633E+14
Volume 3.4762701181749E+21
Height 14565330.075585