28291237 (number)

28291237 is an odd 8-digits composite number following 28291236 and preceding 28291238. In scientific notation, it is written as 2.8291237 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 25997232 positive integers (up to 28291237) that are relatively prime to 28291237.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred ninety-one thousand two hundred thirty-seven

Notation

Scientific notation 2.8291237 × 10^7
Engineering notation 2.8291237 × 10^6

Prime Factorization of 28291237

Prime Factorization 13 × 227 × 9587

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28291237
Product of the distinct prime numbers

The prime factorization of 28291237 is 13 × 227 × 9587. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 10, 99, 20, 162, 91, 4084, 7299, 80619, 63286, 584358, 443410, 7396555, 5642993, 26456914, 64769088, 926852879, 123469765, 6374012842, 5043507920

Basic calculations (n = 28291237)

Multiplication

n×y
n×2 56582474
n×3 84873711
n×4 113164948
n×5 141456185

Division

n÷y
n÷2 14145618.5
n÷3 9430412.3333333
n÷3 7072809.25
n÷5 5658247.4

Exponentiation

ny
n2 800394090990169
n3 2.2644138921602E+22
n4 6.4063070089198E+29
n5 1.8124234988411E+37

Nth Root

y√n
2√n 5318.9507423927
3√n 304.70808583418
4√n 72.931136988208
5√n 30.926472538997

Divisors of 28291237

1, 13, 227, 2951, 9587, 124631, 2176249, 28291237

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 -28291236
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 28291237 can be divided by 8 positive divisors. The sum of these divisors (counting 28291237) is 1, the average is 0.125.

Base conversion 28291237

Base System Value
2 Binary 1101011111011000010100101
3 Ternary 1222020100021121
4 Quaternary 1223323002211
5 Quinary 24220304422
6 Senary 2450213541
8 Octal 153730245
10 Decimal 28291237
12 Duodecimal 95842b1
16 Hexadecimal 1afb0a5
20 Vigesimal 8gg81h
36 Base36 gudnp

Cryptographic Hash Functions

md5 ad11e5d30d2d02ca4423728937059747
sha1 559265fc9ee6fb237c491ff60c58b1797caeeee7
sha256 7549917b028677b05364fca90c07de25ddd59165889d1d57767464df09e89114
sha512 5c4a8c22cc3b7ebb4da00b09ff36e5787c08376e29747d29472dc4f71233fe8439bd99676f47a611aaf0666047405cc96a04d407acc037fd1b34562f3efa7302
ripemd-160 11cda6fb19187562b8e515f631ba7a6e62ef8d8e

28291237 as geometric shapes

Circle

Radius = n
Diameter 56582474
Circumference 177759084.64034
Area 2.5145121962314E+15

Sphere

Radius = n
Volume 9.4851547310631E+22
Surface area 1.0058048784926E+16
Circumference 177759084.64034

Square

Length = n
Perimeter 113164948
Area 800394090990169
Diagonal 40009851.061712

Cube

Length = n
Surface area 4802364545941014
Volume 2.2644138921602E+22
Space diagonal 49001859.892972

Equilateral Triangle

Length = n
Perimeter 84873711
Area 3.4658080791822E+14
Altitude 24500929.946486

Triangular Pyramid

Length = n
Surface area 3.4658080791822E+14
Volume 2.6686373642659E+21
Height 13336617.020571