28931672 (number)

28931672 is an even 8-digits composite number following 28931671 and preceding 28931673. In scientific notation, it is written as 2.8931672 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 32 positive divisors. There are 11088000 positive integers (up to 28931672) that are relatively prime to 28931672.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand six hundred seventy-two

Notation

Scientific notation 2.8931672 × 10^7
Engineering notation 2.8931672 × 10^6

Prime Factorization of 28931672

Prime Factorization 2 × 2 × 2 × 77 × 67 × 701

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7232918
Product of the distinct prime numbers

The prime factorization of 28931672 is 2 × 2 × 2 × 77 × 67 × 701. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931672)

Multiplication

n×y
n×2 57863344
n×3 86795016
n×4 115726688
n×5 144658360

Division

n÷y
n÷2 14465836
n÷3 9643890.6666667
n÷3 7232918
n÷5 5786334.4

Exponentiation

ny
n2 837041644715584
n3 2.4217014315252E+22
n4 7.0063871498817E+29
n5 2.0270649492539E+37

Nth Root

y√n
2√n 5378.8169703012
3√n 306.99019940632
4√n 73.340418394642
5√n 31.065239526865

Divisors of 28931672

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931671
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931672 can be divided by 32 positive divisors. The sum of these divisors (counting 28931672) is 1, the average is 0.03125.

Base conversion 28931672

Base System Value
2 Binary 1101110010111011001011000
3 Ternary 2000102212210102
4 Quaternary 1232113121120
5 Quinary 24401303142
6 Senary 2512034532
8 Octal 156273130
10 Decimal 28931672
12 Duodecimal 9832a48
16 Hexadecimal 1b97658
20 Vigesimal 90g93c
36 Base36 h83tk

Cryptographic Hash Functions

md5 89c2bc3ab458cd1cfec62adf7836fb19
sha1 862c99be9efb97a9f7562b36fac2102ea72824b8
sha256 50d9ca7c234e7935d83d50bb46c7c6a8c79cc58da724272f7f4b66052dd59090
sha512 d2aad65aac47788e62843f20bea04e90d9884ea55ad733fa4df577038298264cec18fe5f01006437e7a6cf17f2b835f7e997e6e1f1a2e6ac9b7dde0cd9132590
ripemd-160 0481926513fb7b115b876a58797c7b4450424ffc

28931672 as geometric shapes

Circle

Radius = n
Diameter 57863344
Circumference 181783056.42254
Area 2.6296438817872E+15

Sphere

Radius = n
Volume 1.014399923529E+23
Surface area 1.0518575527149E+16
Circumference 181783056.42254

Square

Length = n
Perimeter 115726688
Area 837041644715584
Diagonal 40915562.92453

Cube

Length = n
Surface area 5022249868293504
Volume 2.4217014315252E+22
Space diagonal 50111125.851918

Equilateral Triangle

Length = n
Perimeter 86795016
Area 3.624496641746E+14
Altitude 25055562.925959

Triangular Pyramid

Length = n
Surface area 3.624496641746E+14
Volume 2.8540025070677E+21
Height 13638520.974843