28921189 (number)

28921189 is an odd 8-digits composite number following 28921188 and preceding 28921190. In scientific notation, it is written as 2.8921189 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 24813360 positive integers (up to 28921189) that are relatively prime to 28921189.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred twenty-one thousand one hundred eighty-nine

Notation

Scientific notation 2.8921189 × 10^7
Engineering notation 2.8921189 × 10^6

Prime Factorization of 28921189

Prime Factorization 11 × 23 × 79 × 1447

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28921189
Product of the distinct prime numbers

The prime factorization of 28921189 is 11 × 23 × 79 × 1447. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28921189)

Multiplication

n×y
n×2 57842378
n×3 86763567
n×4 115684756
n×5 144605945

Division

n÷y
n÷2 14460594.5
n÷3 9640396.3333333
n÷3 7230297.25
n÷5 5784237.8

Exponentiation

ny
n2 836435173173721
n3 2.4190699729605E+22
n4 6.9962379892215E+29
n5 2.0233952117526E+37

Nth Root

y√n
2√n 5377.8424112278
3√n 306.95311701179
4√n 73.333774014623
5√n 31.062987986649

Divisors of 28921189

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28921188
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28921189 can be divided by 16 positive divisors. The sum of these divisors (counting 28921189) is 1, the average is 0.0625.

Base conversion 28921189

Base System Value
2 Binary 1101110010100110101100101
3 Ternary 2000102100102011
4 Quaternary 1232110311211
5 Quinary 24400434224
6 Senary 2511514221
8 Octal 156246545
10 Decimal 28921189
12 Duodecimal 9828971
16 Hexadecimal 1b94d65
20 Vigesimal 90f2j9
36 Base36 h7vqd

Cryptographic Hash Functions

md5 ab59c5ba608db051890bae3449318310
sha1 d73992debdf56b7d057e8fcd681f79a1914706b2
sha256 b9abfac96b45248cdefa4501986e8ddff926b10d21667aac156101904af7b016
sha512 d144bc63102782bc6aefd727acc72e355f203c61bd5f7390a37e50ded8dfba5f1b6df70879d80aeec780e687f15632e40955270769e5368445574c15f238a54e
ripemd-160 be4994164299f7b850deb8f026552c62ff96b3dc

28921189 as geometric shapes

Circle

Radius = n
Diameter 57842378
Circumference 181717189.79096
Area 2.6277385952467E+15

Sphere

Radius = n
Volume 1.013297660743E+23
Surface area 1.0510954380987E+16
Circumference 181717189.79096

Square

Length = n
Perimeter 115684756
Area 836435173173721
Diagonal 40900737.723756

Cube

Length = n
Surface area 5018611039042326
Volume 2.4190699729605E+22
Space diagonal 50092968.763302

Equilateral Triangle

Length = n
Perimeter 86763567
Area 3.6218705429364E+14
Altitude 25046484.381651

Triangular Pyramid

Length = n
Surface area 3.6218705429364E+14
Volume 2.8509013034085E+21
Height 13633579.241252