30891013 (number)

30891013 is an odd 8-digits composite number following 30891012 and preceding 30891014. In scientific notation, it is written as 3.0891013 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 30868108 positive integers (up to 30891013) that are relatively prime to 30891013.

Interesting facts

Basic properties

Name

Name thirty million eight hundred ninety-one thousand thirteen

Notation

Scientific notation 3.0891013 × 10^7
Engineering notation 3.0891013 × 10^6

Prime Factorization of 30891013

Prime Factorization 1439 × 21467

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 30891013
Product of the distinct prime numbers

The prime factorization of 30891013 is 1439 × 21467. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30891013)

Multiplication

n×y
n×2 61782026
n×3 92673039
n×4 123564052
n×5 154455065

Division

n÷y
n÷2 15445506.5
n÷3 10297004.333333
n÷3 7722753.25
n÷5 6178202.6

Exponentiation

ny
n2 954254684166169
n3 2.9477893853888E+22
n4 9.1060200225307E+29
n5 2.8129418289426E+37

Nth Root

y√n
2√n 5557.9684238038
3√n 313.76949355875
4√n 74.551783505184
5√n 31.475050098731

Divisors of 30891013

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -30891012
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 30891013 can be divided by 4 positive divisors. The sum of these divisors (counting 30891013) is 1, the average is 0.25.

Base conversion 30891013

Base System Value
2 Binary 1110101110101110000000101
3 Ternary 2011010102111121
4 Quaternary 1311311300011
5 Quinary 30402003023
6 Senary 3022033541
8 Octal 165656005
10 Decimal 30891013
12 Duodecimal a4188b1
16 Hexadecimal 1d75c05
20 Vigesimal 9d17ad
36 Base36 ie3np

Cryptographic Hash Functions

md5 72da5e7a787135abf0b3c7fb15e94508
sha1 322b3acbffb01bc5a6ebe8a4b62eb4d0ca56f1ea
sha256 56dce738d3aac3f73703c69d08d8826b43dce2b601b599af59eabc590b2d947b
sha512 a20c85ef5bceaf11851c169e48a68587fcaf6b82a29ee7e3f7bf08711ed32b9d5baf4e263f459a198b035583a21c382dba2e3e807c4aa48837bb78d0112ce657
ripemd-160 a70fd90abac74e18b141d18e3a8b1d73acb0239b

30891013 as geometric shapes

Circle

Radius = n
Diameter 61782026
Circumference 194093959.00549
Area 2.9978795054301E+15

Sphere

Radius = n
Volume 1.234767130329E+23
Surface area 1.199151802172E+16
Circumference 194093959.00549

Square

Length = n
Perimeter 123564052
Area 954254684166169
Diagonal 43686489.540044

Cube

Length = n
Surface area 5725528104997014
Volume 2.9477893853888E+22
Space diagonal 53504804.013271

Equilateral Triangle

Length = n
Perimeter 92673039
Area 4.132043990841E+14
Altitude 26752402.006635

Triangular Pyramid

Length = n
Surface area 4.132043990841E+14
Volume 3.4740031065302E+21
Height 14562163.180015