81982306 (number)

81982306 is an even 8-digits composite number following 81982305 and preceding 81982307. In scientific notation, it is written as 8.1982306 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 32 positive divisors. There are 33825600 positive integers (up to 81982306) that are relatively prime to 81982306.

Interesting facts

Basic properties

Name

Name eighty-one million nine hundred eighty-two thousand three hundred six

Notation

Scientific notation 8.1982306 × 10^7
Engineering notation 8.1982306 × 10^6

Prime Factorization of 81982306

Prime Factorization 2 × 7 × 37 × 1567 × 101

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81982306
Product of the distinct prime numbers

The prime factorization of 81982306 is 2 × 7 × 37 × 1567 × 101. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 3, 65, 54, 438, 28, 3019, 1934, 58603, 1377, 302711, 626672, 4517456, 7641569, 34751400, 79231548, 404271646, 689059719, 3579361385, 4036767492

Basic calculations (n = 81982306)

Multiplication

n×y
n×2 163964612
n×3 245946918
n×4 327929224
n×5 409911530

Division

n÷y
n÷2 40991153
n÷3 27327435.333333
n÷3 20495576.5
n÷5 16396461.2

Exponentiation

ny
n2 6721098497077636
n3 5.5101115364356E+23
n4 4.5173165007419E+31
n5 3.7034002366267E+39

Nth Root

y√n
2√n 9054.4080977168
3√n 434.41689785118
4√n 95.154653578881
5√n 38.259917216134

Divisors of 81982306

1, 2, 7, 14, 37, 74, 101, 202, 259, 518, 707, 1414, 1567, 3134, 3737, 7474, 10969, 21938, 26159, 52318, 57979, 115958, 158267, 316534, 405853, 811706, 1107869, 2215738, 5855879, 11711758, 40991153, 81982306

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 -81982305
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 81982306 can be divided by 32 positive divisors. The sum of these divisors (counting 81982306) is 1, the average is 0.03125.

Base conversion 81982306

Base System Value
2 Binary 100111000101111001101100010
3 Ternary 12201021010120201
4 Quaternary 10320233031202
5 Quinary 131441413211
6 Senary 12045055414
8 Octal 470571542
10 Decimal 81982306
12 Duodecimal 2355756a
16 Hexadecimal 4e2f362
20 Vigesimal 15c7ff6
36 Base36 1ct5ya

Cryptographic Hash Functions

md5 10ada64d21ddef5d5739950d2b5db032
sha1 33670101c0a7dddce3361abcd3681dd4fb332ca6
sha256 7242c9cc07e9f4897aba992f0aec24628d2b5caa512319b7d4b932d4f86a527f
sha512 eb81ee0df8b7c45d83b3b8fd411e91bf1983bbdddb90eee4ed868eab3492b2a274a54f06e5f0e89433c380306b187f9bdbc07a07c6468b756b1aee4b5394326a
ripemd-160 f0d08b8e5042fd5768458a408976919dc25da7f8

81982306 as geometric shapes

Circle

Radius = n
Diameter 163964612
Circumference 515110020.5079
Area 2.1114953662472E+16

Sphere

Radius = n
Volume 2.3080701231102E+24
Surface area 8.445981464989E+16
Circumference 515110020.5079

Square

Length = n
Perimeter 327929224
Area 6721098497077636
Diagonal 115940489.01982

Cube

Length = n
Surface area 40326590982465816
Volume 5.5101115364356E+23
Space diagonal 141997519.31366

Equilateral Triangle

Length = n
Perimeter 245946918
Area 2.9103210199033E+15
Altitude 70998759.656829

Triangular Pyramid

Length = n
Surface area 2.9103210199033E+15
Volume 6.4937287208464E+22
Height 38646829.673274