21031977 (number)

21031977 is an odd 8-digits composite number following 21031976 and preceding 21031978. In scientific notation, it is written as 2.1031977 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 14021316 positive integers (up to 21031977) that are relatively prime to 21031977.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand nine hundred seventy-seven

Notation

Scientific notation 2.1031977 × 10^7
Engineering notation 2.1031977 × 10^6

Prime Factorization of 21031977

Prime Factorization 3 × 7010659

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21031977
Product of the distinct prime numbers

The prime factorization of 21031977 is 3 × 7010659. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031977)

Multiplication

n×y
n×2 42063954
n×3 63095931
n×4 84127908
n×5 105159885

Division

n÷y
n÷2 10515988.5
n÷3 7010659
n÷3 5257994.25
n÷5 4206395.4

Exponentiation

ny
n2 442344056528529
n3 9.3033700229947E+21
n4 1.9566826434611E+29
n5 4.1152904353574E+36

Nth Root

y√n
2√n 4586.0633445255
3√n 276.03238172891
4√n 67.720479506021
5√n 29.145802631313

Divisors of 21031977

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 -21031976
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 21031977 can be divided by 4 positive divisors. The sum of these divisors (counting 21031977) is 1, the average is 0.25.

Base conversion 21031977

Base System Value
2 Binary 1010000001110110000101001
3 Ternary 1110120112110010
4 Quaternary 1100032300221
5 Quinary 20341010402
6 Senary 2030442133
8 Octal 120166051
10 Decimal 21031977
12 Duodecimal 7063349
16 Hexadecimal 140ec29
20 Vigesimal 6b8jih
36 Base36 cisdl

Cryptographic Hash Functions

md5 6b4b8ff94d2ad2bf875b3c0644f3bc4e
sha1 34e0902e5e5a4cf2507cf83248462fdd510b13ef
sha256 157897e858e5dad4ecd0a36b25c58a8f514938dad5d5688a2402eda697c87e36
sha512 1c1393259582a927f598b503acabb259186be3676a6f25d67294efc4266715e78686d5adeb7eacb6f1b62dca9794f302ad998cde9368f1d4b4ca81507ccf5442
ripemd-160 8c8783157482dd96d7185b30832a95b6b90e8db6

21031977 as geometric shapes

Circle

Radius = n
Diameter 42063954
Circumference 132147808.86734
Area 1.3896648383491E+15

Sphere

Radius = n
Volume 3.8969865223824E+22
Surface area 5.5586593533965E+15
Circumference 132147808.86734

Square

Length = n
Perimeter 84127908
Area 442344056528529
Diagonal 29743707.116919

Cube

Length = n
Surface area 2654064339171174
Volume 9.3033700229947E+21
Space diagonal 36428452.74762

Equilateral Triangle

Length = n
Perimeter 63095931
Area 1.9154059508338E+14
Altitude 18214226.37381

Triangular Pyramid

Length = n
Surface area 1.9154059508338E+14
Volume 1.0964126718579E+21
Height 9914569.038973