81158088 (number)

81158088 is an even 8-digits composite number following 81158087 and preceding 81158089. In scientific notation, it is written as 8.1158088 × 10^7. The sum of its digits is 39. It has a total of 6 prime factors and 32 positive divisors. There are 24592480 positive integers (up to 81158088) that are relatively prime to 81158088.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred fifty-eight thousand eighty-eight

Notation

Scientific notation 8.1158088 × 10^7
Engineering notation 8.1158088 × 10^6

Prime Factorization of 81158088

Prime Factorization 2 × 2 × 2 × 33 × 11 × 27947

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20289522
Product of the distinct prime numbers

The prime factorization of 81158088 is 2 × 2 × 2 × 33 × 11 × 27947. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 3, 33, 51, 421, 39, 7694, 6231, 53608, 69539, 67064, 874500, 8708739, 6794001, 87662692, 35578969, 343249197, 121442614, 5212781545, 28550167

Basic calculations (n = 81158088)

Multiplication

n×y
n×2 162316176
n×3 243474264
n×4 324632352
n×5 405790440

Division

n÷y
n÷2 40579044
n÷3 27052696
n÷3 20289522
n÷5 16231617.6

Exponentiation

ny
n2 6586635247815744
n3 5.3455872306613E+23
n4 4.3383763887769E+31
n5 3.5209433273748E+39

Nth Root

y√n
2√n 9008.7783855526
3√n 432.95617254862
4√n 94.914584683033
5√n 38.182675921913

Divisors of 81158088

1, 2, 4, 8, 11, 22, 33, 44, 66, 88, 132, 264, 363, 726, 1452, 2904, 27947, 55894, 111788, 223576, 307417, 614834, 922251, 1229668, 1844502, 2459336, 3689004, 7378008, 10144761, 20289522, 40579044, 81158088

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81158087
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81158088 can be divided by 32 positive divisors. The sum of these divisors (counting 81158088) is 1, the average is 0.03125.

Base conversion 81158088

Base System Value
2 Binary 100110101100101111111001000
3 Ternary 12122201020222010
4 Quaternary 10311211333020
5 Quinary 131234024323
6 Senary 12015255520
8 Octal 465457710
10 Decimal 81158088
12 Duodecimal 2321a5a0
16 Hexadecimal 4d65fc8
20 Vigesimal 1574f48
36 Base36 1cbhzc

Cryptographic Hash Functions

md5 eab4723904b4436198c421395a69c36c
sha1 a1cf8f2951f8ef3b6f484fcf0e30985937fa4009
sha256 6a577bbbc77253c6f86d81b76bd82ceb81ad85f53f33803a519980362a0b6b89
sha512 305315cedb24c292faedb0c6cf12f6e32656d944b5906995c7e897d6e1d32825ebcc6d6b43927d73cc1d6879df4523852201823476dde31079486796946ac6cc
ripemd-160 2579b3471ea6ee159c046882fac731545aba0d24

81158088 as geometric shapes

Circle

Radius = n
Diameter 162316176
Circumference 509931306.08039
Area 2.0692524906414E+16

Sphere

Radius = n
Volume 2.2391543430625E+24
Surface area 8.2770099625654E+16
Circumference 509931306.08039

Square

Length = n
Perimeter 324632352
Area 6586635247815744
Diagonal 114774868.74587

Cube

Length = n
Surface area 39519811486894464
Volume 5.3455872306613E+23
Space diagonal 140569931.86115

Equilateral Triangle

Length = n
Perimeter 243474264
Area 2.8520967250352E+15
Altitude 70284965.930573

Triangular Pyramid

Length = n
Surface area 2.8520967250352E+15
Volume 6.2998349670414E+22
Height 38258289.581956