87438905 (number)

87438905 is an odd 8-digits composite number following 87438904 and preceding 87438906. In scientific notation, it is written as 8.7438905 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 65422080 positive integers (up to 87438905) that are relatively prime to 87438905.

Interesting facts

Basic properties

Name

Name eighty-seven million four hundred thirty-eight thousand nine hundred five

Notation

Scientific notation 8.7438905 × 10^7
Engineering notation 8.7438905 × 10^6

Prime Factorization of 87438905

Prime Factorization 5 × 163 × 17 × 6311

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 87438905
Product of the distinct prime numbers

The prime factorization of 87438905 is 5 × 163 × 17 × 6311. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 95, 97, 598, 372, 6651, 4206, 20122, 58336, 493648, 630108, 3262981, 33794, 32187468, 2451964, 110679611, 999713903, 2959080627, 6954909116

Basic calculations (n = 87438905)

Multiplication

n×y
n×2 174877810
n×3 262316715
n×4 349755620
n×5 437194525

Division

n÷y
n÷2 43719452.5
n÷3 29146301.666667
n÷3 21859726.25
n÷5 17487781

Exponentiation

ny
n2 7645562107599025
n3 6.6851957879795E+23
n4 5.8454619941154E+31
n5 5.1112079598457E+39

Nth Root

y√n
2√n 9350.8772315757
3√n 443.84865015631
4√n 96.699933979169
5√n 38.756178016542

Divisors of 87438905

1, 5, 17, 85, 163, 815, 2771, 6311, 13855, 31555, 107287, 536435, 1028693, 5143465, 17487781, 87438905

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87438904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87438905 can be divided by 16 positive divisors. The sum of these divisors (counting 87438905) is 1, the average is 0.0625.

Base conversion 87438905

Base System Value
2 Binary 101001101100011011000111001
3 Ternary 20002112100121222
4 Quaternary 11031203120321
5 Quinary 134341021110
6 Senary 12402041425
8 Octal 515433071
10 Decimal 87438905
12 Duodecimal 25349275
16 Hexadecimal 5363639
20 Vigesimal 1769h55
36 Base36 1g24ah

Cryptographic Hash Functions

md5 0c9d87de59ed4fc3b421447800c3cd95
sha1 388fb662d0402ec42df93acb88d3c09fceeede3b
sha256 6c073a976d555cba984c9695a7aa40b72ebececf097ad37a3c1ebebc75b0272c
sha512 f2876ccb0676ef9337e0ea8a8cc8a065cd0a70440aad0129a30a0f51e0dac2e8580a9aa0f0a550202f757c522540e4902b86fe8710346881b31a9301e9dbc856
ripemd-160 371dd81f5a0de4a431a5ad137d5591e1c628ad99

87438905 as geometric shapes

Circle

Radius = n
Diameter 174877810
Circumference 549394843.17187
Area 2.4019241749798E+16

Sphere

Radius = n
Volume 2.8002882633768E+24
Surface area 9.607696699919E+16
Circumference 549394843.17187

Square

Length = n
Perimeter 349755620
Area 7645562107599025
Diagonal 123657285.33005

Cube

Length = n
Surface area 45873372645594150
Volume 6.6851957879795E+23
Space diagonal 151448626.01819

Equilateral Triangle

Length = n
Perimeter 262316715
Area 3.3106255056962E+15
Altitude 75724313.009094

Triangular Pyramid

Length = n
Surface area 3.3106255056962E+15
Volume 7.8785787920668E+22
Height 41219095.110018