87130791 (number)

87130791 is an odd 8-digits composite number following 87130790 and preceding 87130792. In scientific notation, it is written as 8.7130791 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 52806480 positive integers (up to 87130791) that are relatively prime to 87130791.

Interesting facts

Basic properties

Name

Name eighty-seven million one hundred thirty thousand seven hundred ninety-one

Notation

Scientific notation 8.7130791 × 10^7
Engineering notation 8.7130791 × 10^6

Prime Factorization of 87130791

Prime Factorization 99 × 880109

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87130791
Product of the distinct prime numbers

The prime factorization of 87130791 is 99 × 880109. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87130791)

Multiplication

n×y
n×2 174261582
n×3 261392373
n×4 348523164
n×5 435653955

Division

n÷y
n÷2 43565395.5
n÷3 29043597
n÷3 21782697.75
n÷5 17426158.2

Exponentiation

ny
n2 7591774740285681
n3 6.6147733821491E+23
n4 5.763504370724E+31
n5 5.0217869475314E+39

Nth Root

y√n
2√n 9334.387553557
3√n 443.32669740885
4√n 96.614634261881
5√n 38.728825917239

Divisors of 87130791

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87130790
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87130791 can be divided by 4 positive divisors. The sum of these divisors (counting 87130791) is 1, the average is 0.25.

Base conversion 87130791

Base System Value
2 Binary 101001100011000001010100111
3 Ternary 20001221200222100
4 Quaternary 11030120022213
5 Quinary 134301141131
6 Senary 12351303143
8 Octal 514301247
10 Decimal 87130791
12 Duodecimal 2521aab3
16 Hexadecimal 53182a7
20 Vigesimal 174b6jb
36 Base36 1fvijr

Cryptographic Hash Functions

md5 4676fe4524bb471c9827be7bec6ba928
sha1 c21f48f8fbe3fe9b1095eed8fd70fda89185dd30
sha256 791abec4ad54a2d9daafe2330f47a302008b6ffc29449ceea0dc00083d6a3b97
sha512 1d1f76a1d8d55a561b9e35a44d187395102c1495369bd104a85b8f3698f7125c81ff9a4dda597f391624b31c65029ac25d13faa02cfe86431087dd8df58f6755
ripemd-160 89b76a32e7ca4f5fc576cc2c4c1a45a45d313e73

87130791 as geometric shapes

Circle

Radius = n
Diameter 174261582
Circumference 547458905.81414
Area 2.385026375179E+16

Sphere

Radius = n
Volume 2.7707897950028E+24
Surface area 9.540105500716E+16
Circumference 547458905.81414

Square

Length = n
Perimeter 348523164
Area 7591774740285681
Diagonal 123221546.3325

Cube

Length = n
Surface area 45550648441714086
Volume 6.6147733821491E+23
Space diagonal 150914956.91567

Equilateral Triangle

Length = n
Perimeter 261392373
Area 3.2873348924482E+15
Altitude 75457478.457833

Triangular Pyramid

Length = n
Surface area 3.2873348924482E+15
Volume 7.7955851908832E+22
Height 41073848.777499