81072516 (number)

81072516 is an even 8-digits composite number following 81072515 and preceding 81072517. In scientific notation, it is written as 8.1072516 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 48 positive divisors. There are 21377664 positive integers (up to 81072516) that are relatively prime to 81072516.

Interesting facts

Basic properties

Name

Name eighty-one million seventy-two thousand five hundred sixteen

Notation

Scientific notation 8.1072516 × 10^7
Engineering notation 8.1072516 × 10^6

Prime Factorization of 81072516

Prime Factorization 2 × 2 × 29 × 21 × 23 × 1447

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 40536258
Product of the distinct prime numbers

The prime factorization of 81072516 is 2 × 2 × 29 × 21 × 23 × 1447. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 6, 87, 19, 533, 826, 4341, 4322, 87302, 79102, 210394, 509577, 6259067, 568815, 26729587, 78084486, 159798102, 538902310, 9904283048, 3167175909

Basic calculations (n = 81072516)

Multiplication

n×y
n×2 162145032
n×3 243217548
n×4 324290064
n×5 405362580

Division

n÷y
n÷2 40536258
n÷3 27024172
n÷3 20268129
n÷5 16214503.2

Exponentiation

ny
n2 6572752850570256
n3 5.328696106419E+23
n4 4.3201080034679E+31
n5 3.5024202523288E+39

Nth Root

y√n
2√n 9004.0277653948
3√n 432.80395130799
4√n 94.88955561807
5√n 38.174620663529

Divisors of 81072516

1, 2, 4, 21, 23, 29, 42, 46, 58, 84, 92, 116, 483, 609, 667, 966, 1218, 1334, 1447, 1932, 2436, 2668, 2894, 5788, 14007, 28014, 30387, 33281, 41963, 56028, 60774, 66562, 83926, 121548, 133124, 167852, 698901, 881223, 965149, 1397802, 1762446, 1930298, 2795604, 3524892, 3860596, 20268129, 40536258, 81072516

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81072515
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81072516 can be divided by 48 positive divisors. The sum of these divisors (counting 81072516) is 1, the average is 0.020833333333333.

Base conversion 81072516

Base System Value
2 Binary 100110101010001000110000100
3 Ternary 12122112220120210
4 Quaternary 10311101012010
5 Quinary 131223310031
6 Senary 12013355420
8 Octal 465210604
10 Decimal 81072516
12 Duodecimal 23198b70
16 Hexadecimal 4d51184
20 Vigesimal 156e15g
36 Base36 1c9nyc

Cryptographic Hash Functions

md5 ed6fb66e615542ca5598f80132cc0b34
sha1 442b564c4478d4371e1b8f28f3d4d6bbe419d893
sha256 dfd37ecf09bacb4fdd06cd4718549a8754d581d1fc49a12f730fc5a50d1f1880
sha512 10c7536332b1be15247a69803338bc8a39d48bf7b7393193ba3f79703dbdad32458a7b325a5b4bddb43e1df8e2ccd62ca8f004967fd1c48ee06f20c46e23c06e
ripemd-160 b7e79b0cac92e177c571df485dc8d14d1ffe180a

81072516 as geometric shapes

Circle

Radius = n
Diameter 162145032
Circumference 509393641.34728
Area 2.0648912069213E+16

Sphere

Radius = n
Volume 2.2320790054851E+24
Surface area 8.2595648276852E+16
Circumference 509393641.34728

Square

Length = n
Perimeter 324290064
Area 6572752850570256
Diagonal 114653851.66291

Cube

Length = n
Surface area 39436517103421536
Volume 5.328696106419E+23
Space diagonal 140421716.80944

Equilateral Triangle

Length = n
Perimeter 243217548
Area 2.8460854706952E+15
Altitude 70210858.40472

Triangular Pyramid

Length = n
Surface area 2.8460854706952E+15
Volume 6.2799285862187E+22
Height 38217950.554303