80521981 (number)

80521981 is an odd 8-digits composite number following 80521980 and preceding 80521982. In scientific notation, it is written as 8.0521981 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 76283964 positive integers (up to 80521981) that are relatively prime to 80521981.

Interesting facts

Basic properties

Name

Name eighty million five hundred twenty-one thousand nine hundred eighty-one

Notation

Scientific notation 8.0521981 × 10^7
Engineering notation 8.0521981 × 10^6

Prime Factorization of 80521981

Prime Factorization 19 × 4237999

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 80521981
Product of the distinct prime numbers

The prime factorization of 80521981 is 19 × 4237999. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 80521981)

Multiplication

n×y
n×2 161043962
n×3 241565943
n×4 322087924
n×5 402609905

Division

n÷y
n÷2 40260990.5
n÷3 26840660.333333
n÷3 20130495.25
n÷5 16104396.2

Exponentiation

ny
n2 6483789424164361
n3 5.2208756882056E+23
n4 4.2039525296906E+31
n5 3.3851058572065E+39

Nth Root

y√n
2√n 8973.4040920935
3√n 431.8220521248
4√n 94.728053353236
5√n 38.122633169607

Divisors of 80521981

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -80521980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 80521981 can be divided by 4 positive divisors. The sum of these divisors (counting 80521981) is 1, the average is 0.25.

Base conversion 80521981

Base System Value
2 Binary 100110011001010101011111101
3 Ternary 12121111221101121
4 Quaternary 10303022223331
5 Quinary 131103200411
6 Senary 11553510541
8 Octal 463125375
10 Decimal 80521981
12 Duodecimal 22b72451
16 Hexadecimal 4ccaafd
20 Vigesimal 15354j1
36 Base36 1bxv5p

Cryptographic Hash Functions

md5 44429a183c6146035449574f0200b911
sha1 faa5324b92db18569801f56216713256136dfe55
sha256 b7544ad8954fe09ad9b075a8b41788fd00632744ea2c6d17f8dc3253c6a7309c
sha512 9a0aba6ae6a53878f73ca422b50c4293736cfbd54c8733ec14e8a95b2729629a78d877e5ac1691691d4bc35da60d13c161a6db0b5c027ef58ac5ef6070c0e7af
ripemd-160 5712aeaa6046a6f7741f38214bf9f67e49b051ae

80521981 as geometric shapes

Circle

Radius = n
Diameter 161043962
Circumference 505934527.92419
Area 2.0369425222378E+16

Sphere

Radius = n
Volume 2.1869152943163E+24
Surface area 8.1477700889512E+16
Circumference 505934527.92419

Square

Length = n
Perimeter 322087924
Area 6483789424164361
Diagonal 113875277.59935

Cube

Length = n
Surface area 38902736544986166
Volume 5.2208756882056E+23
Space diagonal 139468162.2181

Equilateral Triangle

Length = n
Perimeter 241565943
Area 2.8075631770576E+15
Altitude 69734081.109048

Triangular Pyramid

Length = n
Surface area 2.8075631770576E+15
Volume 6.1528610047703E+22
Height 37958425.86645