30890987 (number)

30890987 is an odd 8-digits composite number following 30890986 and preceding 30890988. In scientific notation, it is written as 3.0890987 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 30869280 positive integers (up to 30890987) that are relatively prime to 30890987.

Interesting facts

Basic properties

Name

Name thirty million eight hundred ninety thousand nine hundred eighty-seven

Notation

Scientific notation 3.0890987 × 10^7
Engineering notation 3.0890987 × 10^6

Prime Factorization of 30890987

Prime Factorization 1531 × 20177

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 30890987
Product of the distinct prime numbers

The prime factorization of 30890987 is 1531 × 20177. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30890987)

Multiplication

n×y
n×2 61781974
n×3 92672961
n×4 123563948
n×5 154454935

Division

n÷y
n÷2 15445493.5
n÷3 10296995.666667
n÷3 7722746.75
n÷5 6178197.4

Exponentiation

ny
n2 954253077834169
n3 2.9477819422085E+22
n4 9.1059893655598E+29
n5 2.8129299911365E+37

Nth Root

y√n
2√n 5557.9660848192
3√n 313.76940552873
4√n 74.551767818202
5√n 31.475044800416

Divisors of 30890987

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 -30890986
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 30890987 can be divided by 4 positive divisors. The sum of these divisors (counting 30890987) is 1, the average is 0.25.

Base conversion 30890987

Base System Value
2 Binary 1110101110101101111101011
3 Ternary 2011010102110122
4 Quaternary 1311311233223
5 Quinary 30402002422
6 Senary 3022033455
8 Octal 165655753
10 Decimal 30890987
12 Duodecimal a41888b
16 Hexadecimal 1d75beb
20 Vigesimal 9d1797
36 Base36 ie3mz

Cryptographic Hash Functions

md5 bef457d95f6f152397f636ef81fbdbfd
sha1 a5432b1e736379b857d14261a2aebd241a9e1a4b
sha256 281ec9aa8f4a7e2c74bee00601643441d73aee599bf266696d47d40d04c3613c
sha512 482ee07b9e6fc0543da78c558caacb88881c4d17f63fc5e73894c170ea54eba29cb9b41399ef438abd23d6b06c0b2f78b614dc090cd103cb4adf1bc59f697931
ripemd-160 c2a7cd41b5606506ce4e62c9f15fd76872973f33

30890987 as geometric shapes

Circle

Radius = n
Diameter 61781974
Circumference 194093795.64268
Area 2.9978744589893E+15

Sphere

Radius = n
Volume 1.2347640125369E+23
Surface area 1.1991497835957E+16
Circumference 194093795.64268

Square

Length = n
Perimeter 123563948
Area 954253077834169
Diagonal 43686452.770491

Cube

Length = n
Surface area 5725518467005014
Volume 2.9477819422085E+22
Space diagonal 53504758.97995

Equilateral Triangle

Length = n
Perimeter 92672961
Area 4.1320370352194E+14
Altitude 26752379.489975

Triangular Pyramid

Length = n
Surface area 4.1320370352194E+14
Volume 3.4739943346582E+21
Height 14562150.923497