81826972 (number)

81826972 is an even 8-digits composite number following 81826971 and preceding 81826973. In scientific notation, it is written as 8.1826972 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors. There are 40894416 positive integers (up to 81826972) that are relatively prime to 81826972.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred twenty-six thousand nine hundred seventy-two

Notation

Scientific notation 8.1826972 × 10^7
Engineering notation 8.1826972 × 10^6

Prime Factorization of 81826972

Prime Factorization 2 × 2 × 3259 × 6277

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40913486
Product of the distinct prime numbers

The prime factorization of 81826972 is 2 × 2 × 3259 × 6277. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 34, 27, 306, 431, 1707, 7481, 84359, 58507, 635638, 321393, 5564518, 6851874, 70707971, 17165684, 193429737, 605163966, 5270868306, 7005564393

Basic calculations (n = 81826972)

Multiplication

n×y
n×2 163653944
n×3 245480916
n×4 327307888
n×5 409134860

Division

n÷y
n÷2 40913486
n÷3 27275657.333333
n÷3 20456743
n÷5 16365394.4

Exponentiation

ny
n2 6695653346688784
n3 5.4788503892121E+23
n4 4.4831773739025E+31
n5 3.6684482944535E+39

Nth Root

y√n
2√n 9045.8262198652
3√n 434.14235739993
4√n 95.109548520983
5√n 38.245407804064

Divisors of 81826972

1, 2, 4, 3259, 6277, 6518, 12554, 13036, 25108, 20456743, 40913486, 81826972

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 -81826971
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 81826972 can be divided by 12 positive divisors. The sum of these divisors (counting 81826972) is 1, the average is 0.083333333333333.

Base conversion 81826972

Base System Value
2 Binary 100111000001001010010011100
3 Ternary 12200222020111121
4 Quaternary 10320021102130
5 Quinary 131421430342
6 Senary 12041500324
8 Octal 470112234
10 Decimal 81826972
12 Duodecimal 234a16a4
16 Hexadecimal 4e0949c
20 Vigesimal 15b878c
36 Base36 1cpu3g

Cryptographic Hash Functions

md5 fddc5afb68065b4cd3b33f9a93de5234
sha1 d75faa669e1300398753b83972b127e3b1184f4f
sha256 04349e8c7189b00ae25b2e0ec4efcf5b0617be1d718adb8bd40b8a4a91f32121
sha512 13772bec553d4ddcae225768b2173bd6f7057e1317ce73b9296069a53cedba506054be5270e03b13d13ff6e52584ea2a66a717b14255a8b3debbe50037d4381e
ripemd-160 c70476d594341d6d2e9d4cfcf84f62a2b4fd6361

81826972 as geometric shapes

Circle

Radius = n
Diameter 163653944
Circumference 514134028.2014
Area 2.1035015364941E+16

Sphere

Radius = n
Volume 2.2949754843822E+24
Surface area 8.4140061459766E+16
Circumference 514134028.2014

Square

Length = n
Perimeter 327307888
Area 6695653346688784
Diagonal 115720813.57032

Cube

Length = n
Surface area 40173920080132704
Volume 5.4788503892121E+23
Space diagonal 141728472.93352

Equilateral Triangle

Length = n
Perimeter 245480916
Area 2.8993029465834E+15
Altitude 70864236.466758

Triangular Pyramid

Length = n
Surface area 2.8993029465834E+15
Volume 6.4568871055307E+22
Height 38573604.523441