83820981 (number)

83820981 is an odd 8-digits composite number following 83820980 and preceding 83820982. In scientific notation, it is written as 8.3820981 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 55880652 positive integers (up to 83820981) that are relatively prime to 83820981.

Interesting facts

Basic properties

Name

Name eighty-three million eight hundred twenty thousand nine hundred eighty-one

Notation

Scientific notation 8.3820981 × 10^7
Engineering notation 8.3820981 × 10^6

Prime Factorization of 83820981

Prime Factorization 3 × 27940327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 83820981
Product of the distinct prime numbers

The prime factorization of 83820981 is 3 × 27940327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 83820981)

Multiplication

n×y
n×2 167641962
n×3 251462943
n×4 335283924
n×5 419104905

Division

n÷y
n÷2 41910490.5
n÷3 27940327
n÷3 20955245.25
n÷5 16764196.2

Exponentiation

ny
n2 7025956855802361
n3 5.8892259611703E+23
n4 4.9364069739596E+31
n5 4.1377447517254E+39

Nth Root

y√n
2√n 9155.3798938111
3√n 437.64057479932
4√n 95.68374937162
5√n 38.430014458596

Divisors of 83820981

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 -83820980
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 83820981 can be divided by 4 positive divisors. The sum of these divisors (counting 83820981) is 1, the average is 0.25.

Base conversion 83820981

Base System Value
2 Binary 100111111110000000110110101
3 Ternary 12211201112202210
4 Quaternary 10333300012311
5 Quinary 132424232411
6 Senary 12152324033
8 Octal 477600665
10 Decimal 83820981
12 Duodecimal 240a3619
16 Hexadecimal 4ff01b5
20 Vigesimal 163hc91
36 Base36 1dwkol

Cryptographic Hash Functions

md5 73b9d66882e517ea66f8687d7e77267f
sha1 0a6d0ed2b21217026546e9a4d9859c6ae89b9f43
sha256 dc36d410acfaa7bd69fa2a5b198fe76f528af07a6a8e95e5723e3fbf2a3e03f0
sha512 91ca2d880f676c11c5b8313ad2cfb4d5e0a3dc008cf294703d196d8e74678fd5d28af5343a0960c31820b91824371c3b191bb05da55181f9a0ad6fb1722a3162
ripemd-160 72b99bf653bd946b2c4229f52351826a90b49dd0

83820981 as geometric shapes

Circle

Radius = n
Diameter 167641962
Circumference 526662756.25258
Area 2.2072694442628E+16

Sphere

Radius = n
Volume 2.4668732019924E+24
Surface area 8.829077777051E+16
Circumference 526662756.25258

Square

Length = n
Perimeter 335283924
Area 7025956855802361
Diagonal 118540768.14162

Cube

Length = n
Surface area 42155741134814166
Volume 5.8892259611703E+23
Space diagonal 145182197.83227

Equilateral Triangle

Length = n
Perimeter 251462943
Area 3.0423285615091E+15
Altitude 72591098.916133

Triangular Pyramid

Length = n
Surface area 3.0423285615091E+15
Volume 6.940519355139E+22
Height 39513589.380539