81989714 (number)

81989714 is an even 8-digits composite number following 81989713 and preceding 81989715. In scientific notation, it is written as 8.1989714 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 40122580 positive integers (up to 81989714) that are relatively prime to 81989714.

Interesting facts

Basic properties

Name

Name eighty-one million nine hundred eighty-nine thousand seven hundred fourteen

Notation

Scientific notation 8.1989714 × 10^7
Engineering notation 8.1989714 × 10^6

Prime Factorization of 81989714

Prime Factorization 2 × 47 × 872231

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81989714
Product of the distinct prime numbers

The prime factorization of 81989714 is 2 × 47 × 872231. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81989714)

Multiplication

n×y
n×2 163979428
n×3 245969142
n×4 327958856
n×5 409948570

Division

n÷y
n÷2 40994857
n÷3 27329904.666667
n÷3 20497428.5
n÷5 16397942.8

Exponentiation

ny
n2 6722313201801796
n3 5.5116053683415E+23
n4 4.5189494783119E+31
n5 3.7050737530724E+39

Nth Root

y√n
2√n 9054.8171709869
3√n 434.42998223328
4√n 95.156803072544
5√n 38.260608631725

Divisors of 81989714

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81989713
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81989714 can be divided by 8 positive divisors. The sum of these divisors (counting 81989714) is 1, the average is 0.125.

Base conversion 81989714

Base System Value
2 Binary 100111000110001000001010010
3 Ternary 12201021111202002
4 Quaternary 10320301001102
5 Quinary 131442132324
6 Senary 12045154002
8 Octal 470610122
10 Decimal 81989714
12 Duodecimal 2355b902
16 Hexadecimal 4e31052
20 Vigesimal 15c8e5e
36 Base36 1ctbo2

Cryptographic Hash Functions

md5 f660cf520bb1fe9f912d6d9558e07d6b
sha1 fb946456c6ef4cb068fd590d3b53696589d6a11e
sha256 fff86f2b6f69da8f98128addfb2063d6178b9b3070e5180b819420c91c5be0a7
sha512 d0aa2a07f039907a41c30114cb6a3ce7dbfd10b7e9cf7ecbe637a17b7aeda55ec33f8becb287c213eba6cee15d2e2454e2b3ea026a39c2bd644b94b74257c750
ripemd-160 68503a4bba6bca52d06b57f40cba8c5befba8abb

81989714 as geometric shapes

Circle

Radius = n
Diameter 163979428
Circumference 515156566.34466
Area 2.111876976991E+16

Sphere

Radius = n
Volume 2.3086958579557E+24
Surface area 8.4475079079641E+16
Circumference 515156566.34466

Square

Length = n
Perimeter 327958856
Area 6722313201801796
Diagonal 115950965.51389

Cube

Length = n
Surface area 40333879210810776
Volume 5.5116053683415E+23
Space diagonal 142010350.34604

Equilateral Triangle

Length = n
Perimeter 245969142
Area 2.9108470024779E+15
Altitude 71005175.173021

Triangular Pyramid

Length = n
Surface area 2.9108470024779E+15
Volume 6.4954892186308E+22
Height 38650321.837964