28131457 (number)

28131457 is an odd 8-digits composite number following 28131456 and preceding 28131458. In scientific notation, it is written as 2.8131457 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 26593920 positive integers (up to 28131457) that are relatively prime to 28131457.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred thirty-one thousand four hundred fifty-seven

Notation

Scientific notation 2.8131457 × 10^7
Engineering notation 2.8131457 × 10^6

Prime Factorization of 28131457

Prime Factorization 19 × 571 × 2593

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28131457
Product of the distinct prime numbers

The prime factorization of 28131457 is 19 × 571 × 2593. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28131457)

Multiplication

n×y
n×2 56262914
n×3 84394371
n×4 112525828
n×5 140657285

Division

n÷y
n÷2 14065728.5
n÷3 9377152.3333333
n÷3 7032864.25
n÷5 5626291.4

Exponentiation

ny
n2 791378872942849
n3 2.22626407349E+22
n4 6.2628052054029E+29
n5 1.7618183533517E+37

Nth Root

y√n
2√n 5303.9095957605
3√n 304.1333707554
4√n 72.82794515679
5√n 30.891460759058

Divisors of 28131457

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 -28131456
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 28131457 can be divided by 8 positive divisors. The sum of these divisors (counting 28131457) is 1, the average is 0.125.

Base conversion 28131457

Base System Value
2 Binary 1101011010100000010000001
3 Ternary 1221221020002211
4 Quaternary 1223110002001
5 Quinary 24200201312
6 Senary 2442542121
8 Octal 153240201
10 Decimal 28131457
12 Duodecimal 9507941
16 Hexadecimal 1ad4081
20 Vigesimal 8fg8ch
36 Base36 gqydd

Cryptographic Hash Functions

md5 3bcdd77333dc6fa32fce11c2b04ad4fb
sha1 1c535d9518b1061fad10ad527ec69db44a88a087
sha256 904f65f23b2abe88b78565a57fe14ecbb905d6d52046c57aa7dcdf72247b5a6d
sha512 61eee13856d524958abd89cb0a724d67004a5b9e26eeeae9174cc76758c5d6e308dcde9f2f58410b42acdf60ede2865f8b00eb6946cfd8e0321343db1795bceb
ripemd-160 1f225f3ed3a7d8dcaa0cff15329779c40bb41d47

28131457 as geometric shapes

Circle

Radius = n
Diameter 56262914
Circumference 176755157.29195
Area 2.4861900534434E+15

Sphere

Radius = n
Volume 9.3253531443029E+22
Surface area 9.9447602137737E+15
Circumference 176755157.29195

Square

Length = n
Perimeter 112525828
Area 791378872942849
Diagonal 39783888.018716

Cube

Length = n
Surface area 4748273237657094
Volume 2.22626407349E+22
Space diagonal 48725112.814939

Equilateral Triangle

Length = n
Perimeter 84394371
Area 3.426771039934E+14
Altitude 24362556.40747

Triangular Pyramid

Length = n
Surface area 3.426771039934E+14
Volume 2.6236773717946E+21
Height 13261296.006239