21490977 (number)

21490977 is an odd 8-digits composite number following 21490976 and preceding 21490978. In scientific notation, it is written as 2.1490977 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 14327316 positive integers (up to 21490977) that are relatively prime to 21490977.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand nine hundred seventy-seven

Notation

Scientific notation 2.1490977 × 10^7
Engineering notation 2.1490977 × 10^6

Prime Factorization of 21490977

Prime Factorization 3 × 7163659

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21490977
Product of the distinct prime numbers

The prime factorization of 21490977 is 3 × 7163659. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490977)

Multiplication

n×y
n×2 42981954
n×3 64472931
n×4 85963908
n×5 107454885

Division

n÷y
n÷2 10745488.5
n÷3 7163659
n÷3 5372744.25
n÷5 4298195.4

Exponentiation

ny
n2 461862092414529
n3 9.9258676052525E+21
n4 2.1331659240953E+29
n5 4.5843819811915E+36

Nth Root

y√n
2√n 4635.8361705306
3√n 278.02598397639
4√n 68.08697504318
5√n 29.27192150435

Divisors of 21490977

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 -21490976
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 21490977 can be divided by 4 positive divisors. The sum of these divisors (counting 21490977) is 1, the average is 0.25.

Base conversion 21490977

Base System Value
2 Binary 1010001111110110100100001
3 Ternary 1111102212002010
4 Quaternary 1101332310201
5 Quinary 21000202402
6 Senary 2044343133
8 Octal 121766441
10 Decimal 21490977
12 Duodecimal 7244aa9
16 Hexadecimal 147ed21
20 Vigesimal 6e678h
36 Base36 csmjl

Cryptographic Hash Functions

md5 0d45420b4bb2ac39c2f1359cc33a269c
sha1 252a3ac54aec8add13c4d04d55fffb4b8a47dbf8
sha256 cb88c981113378b02e66b629253d5ae5ee789effe4cf37632e78e34497136b63
sha512 9be16d8a56133c7fd6c2a418dd77294c7fa0789d5780ada44502db93cb0ee5c4ee5b222d89f4b973d5e32c7ef2f957b91f4904458e64703fcaad2b4d90fbd891
ripemd-160 8efa58edafb55f73fe0f9f8261f1943074bd861d

21490977 as geometric shapes

Circle

Radius = n
Diameter 42981954
Circumference 135031790.92333
Area 1.4509825565011E+15

Sphere

Radius = n
Volume 4.1577376998888E+22
Surface area 5.8039302260044E+15
Circumference 135031790.92333

Square

Length = n
Perimeter 85963908
Area 461862092414529
Diagonal 30392831.142048

Cube

Length = n
Surface area 2771172554487174
Volume 9.9258676052525E+21
Space diagonal 37223464.068294

Equilateral Triangle

Length = n
Perimeter 64472931
Area 1.9999215253801E+14
Altitude 18611732.034147

Triangular Pyramid

Length = n
Surface area 1.9999215253801E+14
Volume 1.1697747154723E+21
Height 10130943.714016