87121808 (number)

87121808 is an even 8-digits composite number following 87121807 and preceding 87121809. In scientific notation, it is written as 8.7121808 × 10^7. The sum of its digits is 35. It has a total of 5 prime factors and 10 positive divisors. There are 43560896 positive integers (up to 87121808) that are relatively prime to 87121808.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7121808 × 10^7
Engineering notation 8.7121808 × 10^6

Prime Factorization of 87121808

Prime Factorization 2 × 2 × 2 × 2 × 5445113

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10890226
Product of the distinct prime numbers

The prime factorization of 87121808 is 2 × 2 × 2 × 2 × 5445113. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 8, 30, 62, 823, 20, 3437, 3930, 28810, 80315, 359839, 392414, 753988, 9010436, 91366243, 85680604, 47209445, 591826387, 2563420232, 425153634

Basic calculations (n = 87121808)

Multiplication

n×y
n×2 174243616
n×3 261365424
n×4 348487232
n×5 435609040

Division

n÷y
n÷2 43560904
n÷3 29040602.666667
n÷3 21780452
n÷5 17424361.6

Exponentiation

ny
n2 7590209429188864
n3 6.6127276856958E+23
n4 5.7611279178948E+31
n5 5.0191988032627E+39

Nth Root

y√n
2√n 9333.9063633615
3√n 443.31146153742
4√n 96.612143974562
5√n 38.72802731232

Divisors of 87121808

1, 2, 4, 8, 16, 5445113, 10890226, 21780452, 43560904, 87121808

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87121807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87121808 can be divided by 10 positive divisors. The sum of these divisors (counting 87121808) is 1, the average is 0.1.

Base conversion 87121808

Base System Value
2 Binary 101001100010101111110010000
3 Ternary 20001221020122122
4 Quaternary 11030111332100
5 Quinary 134300344213
6 Senary 12351153412
8 Octal 514257620
10 Decimal 87121808
12 Duodecimal 25215868
16 Hexadecimal 5315f90
20 Vigesimal 174a4a8
36 Base36 1fvbm8

Cryptographic Hash Functions

md5 fc9fea95157b582ce40a228387e74f4a
sha1 e2b006d655d471038842ff82e0d13203203057cb
sha256 115c125ca70fa32dcb7765d41ba78a4e40439ec9e614cc5ad09cbc05ea74c84b
sha512 53edf3f4088de59179881a292b6b86acf2a043773056763cd3f17a32f2ad2eb819c939ceb44be5d3e0e10818bec6b66034518050da3873bc486c2f7c0a04c957
ripemd-160 76122f86a33bc8d89f7aedd277aada6e90784438

87121808 as geometric shapes

Circle

Radius = n
Diameter 174243616
Circumference 547402463.96052
Area 2.3845346181948E+16

Sphere

Radius = n
Volume 2.7699328956762E+24
Surface area 9.5381384727791E+16
Circumference 547402463.96052

Square

Length = n
Perimeter 348487232
Area 7590209429188864
Diagonal 123208842.45206

Cube

Length = n
Surface area 45541256575133184
Volume 6.6127276856958E+23
Space diagonal 150899397.90326

Equilateral Triangle

Length = n
Perimeter 261365424
Area 3.2866570928609E+15
Altitude 75449698.95163

Triangular Pyramid

Length = n
Surface area 3.2866570928609E+15
Volume 7.7931743144926E+22
Height 41069614.150688