81451058 (number)

81451058 is an even 8-digits composite number following 81451057 and preceding 81451059. In scientific notation, it is written as 8.1451058 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 37062480 positive integers (up to 81451058) that are relatively prime to 81451058.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1451058 × 10^7
Engineering notation 8.1451058 × 10^6

Prime Factorization of 81451058

Prime Factorization 2 × 13 × 71 × 44123

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81451058
Product of the distinct prime numbers

The prime factorization of 81451058 is 2 × 13 × 71 × 44123. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81451058)

Multiplication

n×y
n×2 162902116
n×3 244353174
n×4 325804232
n×5 407255290

Division

n÷y
n÷2 40725529
n÷3 27150352.666667
n÷3 20362764.5
n÷5 16290211.6

Exponentiation

ny
n2 6634274849319364
n3 5.4036870553985E+23
n4 4.4013602776311E+31
n5 3.5849545125223E+39

Nth Root

y√n
2√n 9025.0239888878
3√n 433.47651849447
4√n 95.00012625722
5√n 38.210203088203

Divisors of 81451058

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 -81451057
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 81451058 can be divided by 16 positive divisors. The sum of these divisors (counting 81451058) is 1, the average is 0.0625.

Base conversion 81451058

Base System Value
2 Binary 100110110101101100000110010
3 Ternary 12200021010211212
4 Quaternary 10312231200302
5 Quinary 131322413213
6 Senary 12025440122
8 Octal 466554062
10 Decimal 81451058
12 Duodecimal 23340042
16 Hexadecimal 4dad832
20 Vigesimal 15917ci
36 Base36 1chs1e

Cryptographic Hash Functions

md5 0524c2e471ab6655cfec5b8fdcc54c02
sha1 6355312969113be0d31fcc72f47dbad33cab005c
sha256 34e1482c1eeaac7b12bba61496d8f993906c1e235a86f39752a61a687d6b67ae
sha512 d75a3e4b219d0877eb78cc50862f7b97a1cf7bcc46c01adcaa2cd3119bc52b7989e08ea48ad690dffd387184568839cb2d6a1594c3b4d1ce63bdda1b6f157211
ripemd-160 a7090efabbe15d5350b9f22c08e1e73d2bc9ea66

81451058 as geometric shapes

Circle

Radius = n
Diameter 162902116
Circumference 511772090.87983
Area 2.0842189128517E+16

Sphere

Radius = n
Volume 2.2634911407384E+24
Surface area 8.3368756514069E+16
Circumference 511772090.87983

Square

Length = n
Perimeter 325804232
Area 6634274849319364
Diagonal 115189190.89324

Cube

Length = n
Surface area 39805649095916184
Volume 5.4036870553985E+23
Space diagonal 141077370.78624

Equilateral Triangle

Length = n
Perimeter 244353174
Area 2.8727252775994E+15
Altitude 70538685.39312

Triangular Pyramid

Length = n
Surface area 2.8727252775994E+15
Volume 6.3683062671371E+22
Height 38396396.964413