28157430 (number)

28157430 is an even 8-digits composite number following 28157429 and preceding 28157431. In scientific notation, it is written as 2.8157430 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 64 positive divisors. There are 6096384 positive integers (up to 28157430) that are relatively prime to 28157430.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8157430 × 10^7
Engineering notation 2.8157430 × 10^6

Prime Factorization of 28157430

Prime Factorization 2 × 3 × 7 × 19 × 5 × 7057

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 28157430
Product of the distinct prime numbers

The prime factorization of 28157430 is 2 × 3 × 7 × 19 × 5 × 7057. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 9, 76, 82, 586, 814, 7364, 7953, 52217, 25708, 17239, 907269, 3447060, 385756, 8859994, 1675860, 267316300, 404714965, 2245742887, 5095202167

Basic calculations (n = 28157430)

Multiplication

n×y
n×2 56314860
n×3 84472290
n×4 112629720
n×5 140787150

Division

n÷y
n÷2 14078715
n÷3 9385810
n÷3 7039357.5
n÷5 5631486

Exponentiation

ny
n2 792840864204900
n3 2.2324361134989E+22
n4 6.2859663595317E+29
n5 1.7699665775087E+37

Nth Root

y√n
2√n 5306.3575077448
3√n 304.22694128784
4√n 72.84474934918
5√n 30.897162900696

Divisors of 28157430

1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 7057, 14114, 21171, 35285, 42342, 49399, 70570, 98798, 105855, 134083, 148197, 211710, 246995, 268166, 296394, 402249, 493990, 670415, 740985, 804498, 938581, 1340830, 1481970, 1877162, 2011245, 2815743, 4022490, 4692905, 5631486, 9385810, 14078715, 28157430

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28157429
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28157430 can be divided by 64 positive divisors. The sum of these divisors (counting 28157430) is 1, the average is 0.015625.

Base conversion 28157430

Base System Value
2 Binary 1101011011010010111110110
3 Ternary 1221222112201210
4 Quaternary 1223122113312
5 Quinary 24202014210
6 Senary 2443302250
8 Octal 153322766
10 Decimal 28157430
12 Duodecimal 951a986
16 Hexadecimal 1ada5f6
20 Vigesimal 8fjdba
36 Base36 grieu

Cryptographic Hash Functions

md5 0c76b1b602f72ea81747f721cd2b1f10
sha1 433759087908cc5090a3a2e12e1f30faac28a91a
sha256 24b8d34613b419fc866566a5d88f8e01fed014cffe120cdd9b5c5ea12de32f00
sha512 db5bfe6b73d3ad8f8294ec4840826769ea9d634fea75f81816e4d1a6670feef7b6b3b27ad1a8c72a8f1553cbb0655a09601f1f0c8f7d94e6c4117ebaf58c7f4d
ripemd-160 b3ebb587ae0d49fb10f21cc699e53e13440df136

28157430 as geometric shapes

Circle

Radius = n
Diameter 56314860
Circumference 176918350.46394
Area 2.4907830344519E+15

Sphere

Radius = n
Volume 9.3512065250356E+22
Surface area 9.9631321378076E+15
Circumference 176918350.46394

Square

Length = n
Perimeter 112629720
Area 792840864204900
Diagonal 39820619.387571

Cube

Length = n
Surface area 4757045185229400
Volume 2.2324361134989E+22
Space diagonal 48770099.370564

Equilateral Triangle

Length = n
Perimeter 84472290
Area 3.4331016477993E+14
Altitude 24385049.685282

Triangular Pyramid

Length = n
Surface area 3.4331016477993E+14
Volume 2.6309511907014E+21
Height 13273539.795857