28931916 (number)

28931916 is an even 8-digits composite number following 28931915 and preceding 28931917. In scientific notation, it is written as 2.8931916 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 8846400 positive integers (up to 28931916) that are relatively prime to 28931916.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand nine hundred sixteen

Notation

Scientific notation 2.8931916 × 10^7
Engineering notation 2.8931916 × 10^6

Prime Factorization of 28931916

Prime Factorization 2 × 2 × 39 × 191 × 971

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14465958
Product of the distinct prime numbers

The prime factorization of 28931916 is 2 × 2 × 39 × 191 × 971. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 3, 18, 71, 594, 553, 6096, 964, 33544, 188, 89891, 93036, 987494, 621732, 76492202, 16685147, 715155934, 598584034, 794064760, 266562877

Basic calculations (n = 28931916)

Multiplication

n×y
n×2 57863832
n×3 86795748
n×4 115727664
n×5 144659580

Division

n÷y
n÷2 14465958
n÷3 9643972
n÷3 7232979
n÷5 5786383.2

Exponentiation

ny
n2 837055763431056
n3 2.4217627034903E+22
n4 7.0066235109315E+29
n5 2.0271504286189E+37

Nth Root

y√n
2√n 5378.8396518208
3√n 306.99106242128
4√n 73.340573026264
5√n 31.065291925447

Divisors of 28931916

1, 2, 4, 39, 78, 156, 191, 382, 764, 971, 1942, 3884, 7449, 14898, 29796, 37869, 75738, 151476, 185461, 370922, 741844, 7232979, 14465958, 28931916

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931915
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931916 can be divided by 24 positive divisors. The sum of these divisors (counting 28931916) is 1, the average is 0.041666666666667.

Base conversion 28931916

Base System Value
2 Binary 1101110010111011101001100
3 Ternary 2000102220010110
4 Quaternary 1232113131030
5 Quinary 24401310131
6 Senary 2512040020
8 Octal 156273514
10 Decimal 28931916
12 Duodecimal 9833010
16 Hexadecimal 1b9774c
20 Vigesimal 90g9fg
36 Base36 h840c

Cryptographic Hash Functions

md5 20c5298f7906f3e3b20820a301bfcb6f
sha1 f3272f98e8fe37133a007fdfafff9a4c6e37d58e
sha256 ddc0a19b57777fb7793c7f7c38c3426ae8e821e9f54358f8b7bbcb2fc64db4a1
sha512 3fce58bda84378317b35488995985adbac33d731329dc2b61fd6b21e9019768a6c194bb4944b9c866144f32163130609fdaf4d28b1e9eb44b4b2928ff2cfff54
ripemd-160 06b169753911fd9929bc707ad86de7773ed28bf1

28931916 as geometric shapes

Circle

Radius = n
Diameter 57863832
Circumference 181784589.51975
Area 2.62968823704E+15

Sphere

Radius = n
Volume 1.0144255890697E+23
Surface area 1.051875294816E+16
Circumference 181784589.51975

Square

Length = n
Perimeter 115727664
Area 837055763431056
Diagonal 40915907.992639

Cube

Length = n
Surface area 5022334580586336
Volume 2.4217627034903E+22
Space diagonal 50111548.472315

Equilateral Triangle

Length = n
Perimeter 86795748
Area 3.6245577775774E+14
Altitude 25055774.236157

Triangular Pyramid

Length = n
Surface area 3.6245577775774E+14
Volume 2.8540747167711E+21
Height 13638635.997546