81877071 (number)

81877071 is an odd 8-digits composite number following 81877070 and preceding 81877072. In scientific notation, it is written as 8.1877071 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 54584712 positive integers (up to 81877071) that are relatively prime to 81877071.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1877071 × 10^7
Engineering notation 8.1877071 × 10^6

Prime Factorization of 81877071

Prime Factorization 3 × 27292357

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81877071
Product of the distinct prime numbers

The prime factorization of 81877071 is 3 × 27292357. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81877071)

Multiplication

n×y
n×2 163754142
n×3 245631213
n×4 327508284
n×5 409385355

Division

n÷y
n÷2 40938535.5
n÷3 27292357
n÷3 20469267.75
n÷5 16375414.2

Exponentiation

ny
n2 6703854755539041
n3 5.4889199179296E+23
n4 4.4941668583363E+31
n5 3.6796921894585E+39

Nth Root

y√n
2√n 9048.5949738067
3√n 434.23094131495
4√n 95.124103011838
5√n 38.250089848541

Divisors of 81877071

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81877070
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81877071 can be divided by 4 positive divisors. The sum of these divisors (counting 81877071) is 1, the average is 0.25.

Base conversion 81877071

Base System Value
2 Binary 100111000010101100001001111
3 Ternary 12201001210020010
4 Quaternary 10320111201033
5 Quinary 131430031241
6 Senary 12042524303
8 Octal 470254117
10 Decimal 81877071
12 Duodecimal 23506693
16 Hexadecimal 4e1584f
20 Vigesimal 15becdb
36 Base36 1cqwr3

Cryptographic Hash Functions

md5 19726c5ea3cd32a651cbcbedbd0f035d
sha1 e01832a0ed37361456cff2df00c19587bce3497a
sha256 f6c65efe4be29c7cbc65ea97a532419c2d3c6a73e66fe9806eda531a6aeb87eb
sha512 352c2708b0467cb0e92df73ffee6afc16e41445d2bedbc4e72fed94a161165ef16983467cb6217c537b97eb5f8176e20bba7921076f5fe76543f7113126bacc9
ripemd-160 0f63b139ec3405afb790960d99e127f9dda98871

81877071 as geometric shapes

Circle

Radius = n
Diameter 163754142
Circumference 514448809.5021
Area 2.1060780850734E+16

Sphere

Radius = n
Volume 2.299193398708E+24
Surface area 8.4243123402938E+16
Circumference 514448809.5021

Square

Length = n
Perimeter 327508284
Area 6703854755539041
Diagonal 115791664.25558

Cube

Length = n
Surface area 40223128533234246
Volume 5.4889199179296E+23
Space diagonal 141815246.94692

Equilateral Triangle

Length = n
Perimeter 245631213
Area 2.902854260789E+15
Altitude 70907623.473462

Triangular Pyramid

Length = n
Surface area 2.902854260789E+15
Volume 6.4687541589299E+22
Height 38597221.418528