28991608 (number)

28991608 is an even 8-digits composite number following 28991607 and preceding 28991609. In scientific notation, it is written as 2.8991608 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 8 positive divisors. There are 14495800 positive integers (up to 28991608) that are relatively prime to 28991608.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-one thousand six hundred eight

Notation

Scientific notation 2.8991608 × 10^7
Engineering notation 2.8991608 × 10^6

Prime Factorization of 28991608

Prime Factorization 2 × 2 × 2 × 3623951

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7247902
Product of the distinct prime numbers

The prime factorization of 28991608 is 2 × 2 × 2 × 3623951. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28991608)

Multiplication

n×y
n×2 57983216
n×3 86974824
n×4 115966432
n×5 144958040

Division

n÷y
n÷2 14495804
n÷3 9663869.3333333
n÷3 7247902
n÷5 5798321.6

Exponentiation

ny
n2 840513334425664
n3 2.4367833110442E+22
n4 7.0646266534735E+29
n5 2.0481488660385E+37

Nth Root

y√n
2√n 5384.3855731179
3√n 307.20204421202
4√n 73.378372652423
5√n 31.078100070945

Divisors of 28991608

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 -28991607
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 28991608 can be divided by 8 positive divisors. The sum of these divisors (counting 28991608) is 1, the average is 0.125.

Base conversion 28991608

Base System Value
2 Binary 1101110100110000001111000
3 Ternary 2000112221000021
4 Quaternary 1232212001320
5 Quinary 24410212413
6 Senary 2513220224
8 Octal 156460170
10 Decimal 28991608
12 Duodecimal 9861674
16 Hexadecimal 1ba6078
20 Vigesimal 913j08
36 Base36 h9e2g

Cryptographic Hash Functions

md5 ec3e8db96a07c2ad1301292de9d79f81
sha1 faefef33d53256c1c8feb9a369426405b1e4708e
sha256 23555e9c1cbd8ad19bf84684cf1d8c5d3cc5dfedba4f31ffc6e54d67d8cd473d
sha512 837a7ab69e2c2be3571e55dd2272df915f73ceb76849dec0bf2c0267e126da466462c4e0633713b49d7c2c8bfc97c18478cfc8cc51cf138324e758a1eda0d3fe
ripemd-160 9cb48332d255cb812e7e56aed63ae632dba6262b

28991608 as geometric shapes

Circle

Radius = n
Diameter 57983216
Circumference 182159645.41711
Area 2.6405505166759E+15

Sphere

Radius = n
Volume 1.0207174064489E+23
Surface area 1.0562202066704E+16
Circumference 182159645.41711

Square

Length = n
Perimeter 115966432
Area 840513334425664
Diagonal 41000325.228604

Cube

Length = n
Surface area 5043080006553984
Volume 2.4367833110442E+22
Space diagonal 50214938.04912

Equilateral Triangle

Length = n
Perimeter 86974824
Area 3.639529499161E+14
Altitude 25107469.02456

Triangular Pyramid

Length = n
Surface area 3.639529499161E+14
Volume 2.8717766725359E+21
Height 13666775.076201