82801981 (number)

82801981 is an odd 8-digits composite number following 82801980 and preceding 82801982. In scientific notation, it is written as 8.2801981 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 78365952 positive integers (up to 82801981) that are relatively prime to 82801981.

Interesting facts

Basic properties

Name

Name eighty-two million eight hundred one thousand nine hundred eighty-one

Notation

Scientific notation 8.2801981 × 10^7
Engineering notation 8.2801981 × 10^6

Prime Factorization of 82801981

Prime Factorization 19 × 1583 × 2753

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 82801981
Product of the distinct prime numbers

The prime factorization of 82801981 is 19 × 1583 × 2753. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 82801981)

Multiplication

n×y
n×2 165603962
n×3 248405943
n×4 331207924
n×5 414009905

Division

n÷y
n÷2 41400990.5
n÷3 27600660.333333
n÷3 20700495.25
n÷5 16560396.2

Exponentiation

ny
n2 6856168057524361
n3 5.6770429723194E+23
n4 4.7007040433017E+31
n5 3.8922760688009E+39

Nth Root

y√n
2√n 9099.5593849373
3√n 435.85989417133
4√n 95.391610663293
5√n 38.336119085028

Divisors of 82801981

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 -82801980
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 82801981 can be divided by 8 positive divisors. The sum of these divisors (counting 82801981) is 1, the average is 0.125.

Base conversion 82801981

Base System Value
2 Binary 100111011110111010100111101
3 Ternary 12202210202222001
4 Quaternary 10323313110331
5 Quinary 132144130411
6 Senary 12114422301
8 Octal 473672475
10 Decimal 82801981
12 Duodecimal 23891991
16 Hexadecimal 4ef753d
20 Vigesimal 15ha4j1
36 Base36 1daqf1

Cryptographic Hash Functions

md5 548f14e2ada88dab5066b48481168922
sha1 c0e9d78c227f809f6e3402199e89a10d4b9d68c8
sha256 dc137f74bc6f5dcbb9e730d9d0e5c16655b8c22ff80ee3af33a6822b922fa3d7
sha512 136598c70b2ffe2692d812e0d757dba9a2e571e58ffd917df6644cff5498b22895b283112fcb959c0425161eb220ec36fd52c492da04a03661c1eb948abe66ca
ripemd-160 0e58e3321397917cc7b30dd1634b8e34ae3bd0bd

82801981 as geometric shapes

Circle

Radius = n
Diameter 165603962
Circumference 520260190.42456
Area 2.1539287201296E+16

Sphere

Radius = n
Volume 2.3779941994603E+24
Surface area 8.6157148805182E+16
Circumference 520260190.42456

Square

Length = n
Perimeter 331207924
Area 6856168057524361
Diagonal 117099684.52156

Cube

Length = n
Surface area 41137008345146166
Volume 5.6770429723194E+23
Space diagonal 143417238.05935

Equilateral Triangle

Length = n
Perimeter 248405943
Area 2.9688078552158E+15
Altitude 71708619.029676

Triangular Pyramid

Length = n
Surface area 2.9688078552158E+15
Volume 6.6904593046908E+22
Height 39033228.173853