30891138 (number)

30891138 is an even 8-digits composite number following 30891137 and preceding 30891139. In scientific notation, it is written as 3.0891138 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 10297044 positive integers (up to 30891138) that are relatively prime to 30891138.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.0891138 × 10^7
Engineering notation 3.0891138 × 10^6

Prime Factorization of 30891138

Prime Factorization 2 × 3 × 5148523

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 30891138
Product of the distinct prime numbers

The prime factorization of 30891138 is 2 × 3 × 5148523. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30891138)

Multiplication

n×y
n×2 61782276
n×3 92673414
n×4 123564552
n×5 154455690

Division

n÷y
n÷2 15445569
n÷3 10297046
n÷3 7722784.5
n÷5 6178227.6

Exponentiation

ny
n2 954262406935044
n3 2.9478251700843E+22
n4 9.1061674128946E+29
n5 2.8129987420283E+37

Nth Root

y√n
2√n 5557.9796689085
3√n 313.76991677929
4√n 74.551858923225
5√n 31.475075571349

Divisors of 30891138

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 -30891137
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 30891138 can be divided by 8 positive divisors. The sum of these divisors (counting 30891138) is 1, the average is 0.125.

Base conversion 30891138

Base System Value
2 Binary 1110101110101110010000010
3 Ternary 2011010102200020
4 Quaternary 1311311302002
5 Quinary 30402004023
6 Senary 3022034310
8 Octal 165656202
10 Decimal 30891138
12 Duodecimal a418996
16 Hexadecimal 1d75c82
20 Vigesimal 9d17gi
36 Base36 ie3r6

Cryptographic Hash Functions

md5 acecf55bae76b82cdcc2daab48369295
sha1 0ff33bfdcd64d4351953f968524c721e32a360c5
sha256 feaddcc282be455d8291babce4f12c18c7f9a48d7020c451fa0957bbb705bf7d
sha512 0afc02597e9f5cc031512f3fcc91aff619b43ae44453d516254611d933793da63d83d98bef7eeb523fb88023ab37065949790c4b9fa3a1377950217163396779
ripemd-160 d0a892cfe69bb6236a29470c0513e6e0802e9ec4

30891138 as geometric shapes

Circle

Radius = n
Diameter 61782276
Circumference 194094744.40366
Area 2.997903767224E+15

Sphere

Radius = n
Volume 1.2347821197872E+23
Surface area 1.1991615068896E+16
Circumference 194094744.40366

Square

Length = n
Perimeter 123564552
Area 954262406935044
Diagonal 43686666.316739

Cube

Length = n
Surface area 5725574441610264
Volume 2.9478251700843E+22
Space diagonal 53505020.519622

Equilateral Triangle

Length = n
Perimeter 92673414
Area 4.1320774314112E+14
Altitude 26752510.259811

Triangular Pyramid

Length = n
Surface area 4.1320774314112E+14
Volume 3.4740452791983E+21
Height 14562222.10558