81012015 (number)

81012015 is an odd 8-digits composite number following 81012014 and preceding 81012016. In scientific notation, it is written as 8.1012015 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 32 positive divisors. There are 36381312 positive integers (up to 81012015) that are relatively prime to 81012015.

Interesting facts

Basic properties

Name

Name eighty-one million twelve thousand fifteen

Notation

Scientific notation 8.1012015 × 10^7
Engineering notation 8.1012015 × 10^6

Prime Factorization of 81012015

Prime Factorization 9 × 3 × 35 × 59 × 1453

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81012015
Product of the distinct prime numbers

The prime factorization of 81012015 is 9 × 3 × 35 × 59 × 1453. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 5, 46, 69, 902, 166, 1534, 6071, 85462, 44196, 790803, 132868, 4962490, 7589894, 45880684, 92756333, 806155475, 964917060, 1130085340, 3334440963

Basic calculations (n = 81012015)

Multiplication

n×y
n×2 162024030
n×3 243036045
n×4 324048060
n×5 405060075

Division

n÷y
n÷2 40506007.5
n÷3 27004005
n÷3 20253003.75
n÷5 16202403

Exponentiation

ny
n2 6562946574360225
n3 5.3167752632627E+23
n4 4.3072267737907E+31
n5 3.4893712000673E+39

Nth Root

y√n
2√n 9000.6674752487
3√n 432.69626340315
4√n 94.871847643275
5√n 38.16892134008

Divisors of 81012015

1, 3, 9, 27, 35, 59, 105, 177, 315, 531, 945, 1453, 1593, 2065, 4359, 6195, 13077, 18585, 39231, 50855, 55755, 85727, 152565, 257181, 457695, 771543, 1373085, 2314629, 3000445, 9001335, 27004005, 81012015

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81012014
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81012015 can be divided by 32 positive divisors. The sum of these divisors (counting 81012015) is 1, the average is 0.03125.

Base conversion 81012015

Base System Value
2 Binary 100110101000010010100101111
3 Ternary 12122102211121000
4 Quaternary 10311002110233
5 Quinary 131214341030
6 Senary 12012211343
8 Octal 465022457
10 Decimal 81012015
12 Duodecimal 23169b53
16 Hexadecimal 4d4252f
20 Vigesimal 1566a0f
36 Base36 1c8d9r

Cryptographic Hash Functions

md5 435236b6b6dd376c3bc4e1a9566f52c1
sha1 f89ad967927e4187b40ebade021184a10f6f9b2f
sha256 1d44d20fe2631db0ff29f0b4f701be894af43c8a15721fe2f757cf213e86d8a7
sha512 63d6f630ad89aceafcda860a9742be777aa498c866b9b9d9dd70a450d8b1039cb6c3c767c7d1f0cd56f87bb9d8053e856f4b5a8df1d45918754ecf5ceedf399f
ripemd-160 027007cb8b9b2566aa338e4004b697ab0b3a89f7

81012015 as geometric shapes

Circle

Radius = n
Diameter 162024030
Circumference 509013502.35301
Area 2.0618104743912E+16

Sphere

Radius = n
Volume 2.2270856143805E+24
Surface area 8.247241897565E+16
Circumference 509013502.35301

Square

Length = n
Perimeter 324048060
Area 6562946574360225
Diagonal 114568290.32817

Cube

Length = n
Surface area 39377679446161350
Volume 5.3167752632627E+23
Space diagonal 140316926.00353

Equilateral Triangle

Length = n
Perimeter 243036045
Area 2.841839228538E+15
Altitude 70158463.001766

Triangular Pyramid

Length = n
Surface area 2.841839228538E+15
Volume 6.2658797378299E+22
Height 38189430.109391