81998522 (number)

81998522 is an even 8-digits composite number following 81998521 and preceding 81998523. In scientific notation, it is written as 8.1998522 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 40505212 positive integers (up to 81998522) that are relatively prime to 81998522.

Interesting facts

Basic properties

Name

Name eighty-one million nine hundred ninety-eight thousand five hundred twenty-two

Notation

Scientific notation 8.1998522 × 10^7
Engineering notation 8.1998522 × 10^6

Prime Factorization of 81998522

Prime Factorization 2 × 83 × 493967

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81998522
Product of the distinct prime numbers

The prime factorization of 81998522 is 2 × 83 × 493967. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81998522)

Multiplication

n×y
n×2 163997044
n×3 245995566
n×4 327994088
n×5 409992610

Division

n÷y
n÷2 40999261
n÷3 27332840.666667
n÷3 20499630.5
n÷5 16399704.4

Exponentiation

ny
n2 6723757610184484
n3 5.5133818632138E+23
n4 4.5208916400514E+31
n5 3.7070643260637E+39

Nth Root

y√n
2√n 9055.3035288719
3√n 434.44553834019
4√n 95.159358598468
5√n 38.261430649376

Divisors of 81998522

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 -81998521
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 81998522 can be divided by 8 positive divisors. The sum of these divisors (counting 81998522) is 1, the average is 0.125.

Base conversion 81998522

Base System Value
2 Binary 100111000110011001010111010
3 Ternary 12201021221211022
4 Quaternary 10320303022322
5 Quinary 131442423042
6 Senary 12045302442
8 Octal 470631272
10 Decimal 81998522
12 Duodecimal 23564a22
16 Hexadecimal 4e332ba
20 Vigesimal 15c9g62
36 Base36 1ctigq

Cryptographic Hash Functions

md5 26fea44f6789eb8a739e46addd5da0fa
sha1 97a3dafe852ab28352bc0f6ebf97a20128b773c4
sha256 fc223c26f61d16b0e2450e908ef7620e4da3c1c3852de5d65f45f4e0f53ee178
sha512 f56599aac0fc1fd21e7344b446b8dae80aafcb71a70efe6067e59d7798bf2f518ff42accb0b370a91957dc28b3b13679f0d6fdbab8e934027b09d65086cb4706
ripemd-160 cf276c848925ea32d7b849f47a07aedefd64a80d

81998522 as geometric shapes

Circle

Radius = n
Diameter 163997044
Circumference 515211908.64084
Area 2.1123307512674E+16

Sphere

Radius = n
Volume 2.3094399943877E+24
Surface area 8.4493230050696E+16
Circumference 515211908.64084

Square

Length = n
Perimeter 327994088
Area 6723757610184484
Diagonal 115963421.90695

Cube

Length = n
Surface area 40342545661106904
Volume 5.5133818632138E+23
Space diagonal 142025606.24955

Equilateral Triangle

Length = n
Perimeter 245995566
Area 2.9114724496544E+15
Altitude 71012803.124777

Triangular Pyramid

Length = n
Surface area 2.9114724496544E+15
Volume 6.4975828379157E+22
Height 38654473.968983