81461567 (number)

81461567 is an odd 8-digits composite number following 81461566 and preceding 81461568. In scientific notation, it is written as 8.1461567 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 73335960 positive integers (up to 81461567) that are relatively prime to 81461567.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred sixty-one thousand five hundred sixty-seven

Notation

Scientific notation 8.1461567 × 10^7
Engineering notation 8.1461567 × 10^6

Prime Factorization of 81461567

Prime Factorization 11 × 103 × 71899

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81461567
Product of the distinct prime numbers

The prime factorization of 81461567 is 11 × 103 × 71899. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81461567)

Multiplication

n×y
n×2 162923134
n×3 244384701
n×4 325846268
n×5 407307835

Division

n÷y
n÷2 40730783.5
n÷3 27153855.666667
n÷3 20365391.75
n÷5 16292313.4

Exponentiation

ny
n2 6635986898095489
n3 5.4057789131033E+23
n4 4.4036322111695E+31
n5 3.5872678041354E+39

Nth Root

y√n
2√n 9025.6061846283
3√n 433.49516040018
4√n 95.00319039184
5√n 38.211189030712

Divisors of 81461567

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81461566
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81461567 can be divided by 8 positive divisors. The sum of these divisors (counting 81461567) is 1, the average is 0.125.

Base conversion 81461567

Base System Value
2 Binary 100110110110000000100111111
3 Ternary 12200021200021002
4 Quaternary 10312300010333
5 Quinary 131323232232
6 Senary 12030000515
8 Octal 466600477
10 Decimal 81461567
12 Duodecimal 2334613b
16 Hexadecimal 4db013f
20 Vigesimal 1592di7
36 Base36 1ci05b

Cryptographic Hash Functions

md5 a5e7c32a55648f8a1fb36cebbf3140fc
sha1 033a2a3c6aa3b7c0db7f70424eb46ec1970bba4c
sha256 873ee9ae315e9126bd7ea0decf2c947686298722e0d097599059093683562ffb
sha512 6250a276f09b9ca519f3c3af3cea06e49e96347c89fd15b7fc8b513543e4641ba32d9e96bc18bc45901609bc71f1928c25d3f9dfa9db889aeb2f7a73504c4fa2
ripemd-160 e3ef9dd7f308d03d87c3c1b3e360259a91071100

81461567 as geometric shapes

Circle

Radius = n
Diameter 162923134
Circumference 511838120.87423
Area 2.0847567688375E+16

Sphere

Radius = n
Volume 2.2643673760448E+24
Surface area 8.33902707535E+16
Circumference 511838120.87423

Square

Length = n
Perimeter 325846268
Area 6635986898095489
Diagonal 115204052.86356

Cube

Length = n
Surface area 39815921388572934
Volume 5.4057789131033E+23
Space diagonal 141095572.90818

Equilateral Triangle

Length = n
Perimeter 244384701
Area 2.8734666164657E+15
Altitude 70547786.454088

Triangular Pyramid

Length = n
Surface area 2.8734666164657E+15
Volume 6.3707715450843E+22
Height 38401350.954522