81277188 (number)

81277188 is an even 8-digits composite number following 81277187 and preceding 81277189. In scientific notation, it is written as 8.1277188 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors. There are 27092392 positive integers (up to 81277188) that are relatively prime to 81277188.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1277188 × 10^7
Engineering notation 8.1277188 × 10^6

Prime Factorization of 81277188

Prime Factorization 2 × 2 × 3 × 6773099

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40638594
Product of the distinct prime numbers

The prime factorization of 81277188 is 2 × 2 × 3 × 6773099. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 8, 60, 9, 919, 246, 4876, 742, 39608, 39555, 61906, 94272, 5856382, 3108819, 30898174, 96043448, 742256704, 46190104, 5416448018, 6563613862

Basic calculations (n = 81277188)

Multiplication

n×y
n×2 162554376
n×3 243831564
n×4 325108752
n×5 406385940

Division

n÷y
n÷2 40638594
n÷3 27092396
n÷3 20319297
n÷5 16255437.6

Exponentiation

ny
n2 6605981289187344
n3 5.3691558316576E+23
n4 4.3638988793093E+31
n5 3.5468542962661E+39

Nth Root

y√n
2√n 9015.3861814123
3√n 433.16785765991
4√n 94.949387472549
5√n 38.193876012342

Divisors of 81277188

1, 2, 3, 4, 6, 12, 6773099, 13546198, 20319297, 27092396, 40638594, 81277188

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81277187
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81277188 can be divided by 12 positive divisors. The sum of these divisors (counting 81277188) is 1, the average is 0.083333333333333.

Base conversion 81277188

Base System Value
2 Binary 100110110000011000100000100
3 Ternary 12122221022100020
4 Quaternary 10312003010010
5 Quinary 131301332223
6 Senary 12022015140
8 Octal 466030404
10 Decimal 81277188
12 Duodecimal 232774b0
16 Hexadecimal 4d83104
20 Vigesimal 157jcj8
36 Base36 1ce1vo

Cryptographic Hash Functions

md5 d860ebbd80b97f238198361ddac45b6b
sha1 5b12b055d0955f1c25de49a54251b2f37cb85f96
sha256 c109e2ecc302104117aac97615d5d9dcaf03d9bf983bbaeca2d6d6fc78f4ca98
sha512 e0aea12c67121ebf5c7cda42480f40b1434fe50a7e3113cfd04b668264b95ad9ea3d34efbe2927df04aaed5fb3bc0e54270f54b9bf5b27042d1cab7329012039
ripemd-160 60ada8f33033943f1d3f85956dce6ea35178e0ef

81277188 as geometric shapes

Circle

Radius = n
Diameter 162554376
Circumference 510679633.45047
Area 2.0753302287863E+16

Sphere

Radius = n
Volume 2.2490267355619E+24
Surface area 8.301320915145E+16
Circumference 510679633.45047

Square

Length = n
Perimeter 325108752
Area 6605981289187344
Diagonal 114943301.58115

Cube

Length = n
Surface area 39635887735124064
Volume 5.3691558316576E+23
Space diagonal 140776219.11233

Equilateral Triangle

Length = n
Perimeter 243831564
Area 2.8604738066805E+15
Altitude 70388109.556164

Triangular Pyramid

Length = n
Surface area 2.8604738066805E+15
Volume 6.3276108296873E+22
Height 38314433.860383