21497869 (number)

21497869 is an odd 8-digits composite number following 21497868 and preceding 21497870. In scientific notation, it is written as 2.1497869 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 21224976 positive integers (up to 21497869) that are relatively prime to 21497869.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand eight hundred sixty-nine

Notation

Scientific notation 2.1497869 × 10^7
Engineering notation 2.1497869 × 10^6

Prime Factorization of 21497869

Prime Factorization 223 × 149 × 647

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21497869
Product of the distinct prime numbers

The prime factorization of 21497869 is 223 × 149 × 647. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21497869)

Multiplication

n×y
n×2 42995738
n×3 64493607
n×4 85991476
n×5 107489345

Division

n÷y
n÷2 10748934.5
n÷3 7165956.3333333
n÷3 5374467.25
n÷5 4299573.8

Exponentiation

ny
n2 462158371541161
n3 9.9354201286452E+21
n4 2.1359036038558E+29
n5 4.5917375872319E+36

Nth Root

y√n
2√n 4636.5794504139
3√n 278.0557011035
4√n 68.092433136244
5√n 29.273798722022

Divisors of 21497869

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 -21497868
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 21497869 can be divided by 8 positive divisors. The sum of these divisors (counting 21497869) is 1, the average is 0.125.

Base conversion 21497869

Base System Value
2 Binary 1010010000000100000001101
3 Ternary 1111110012112101
4 Quaternary 1102000200031
5 Quinary 21000412434
6 Senary 2044435101
8 Octal 122004015
10 Decimal 21497869
12 Duodecimal 7248a91
16 Hexadecimal 148080d
20 Vigesimal 6e74d9
36 Base36 csrv1

Cryptographic Hash Functions

md5 4123d4914a25fce3b693e6f2a05983eb
sha1 59f82fd6e1fa5f9482d54d466f5c1e4552461503
sha256 dcc436f29ab768c9a7a08a920de12b52b2154ef906068604f413aba6782843b9
sha512 9aaa4ba9e3f28741121705a58e99d425ad5377bbf1fe2de52fdae64ccf0d64b3286ba0ddb94862139414d97169a82e4d6e665a6a967b2fea89e4da509820a0c2
ripemd-160 57e4dd21ea0ada109717518a5e83521d4dd7bf5d

21497869 as geometric shapes

Circle

Radius = n
Diameter 42995738
Circumference 135075094.63647
Area 1.4519133448287E+15

Sphere

Radius = n
Volume 4.1617390515307E+22
Surface area 5.8076533793149E+15
Circumference 135075094.63647

Square

Length = n
Perimeter 85991476
Area 462158371541161
Diagonal 30402577.90192

Cube

Length = n
Surface area 2772950229246966
Volume 9.9354201286452E+21
Space diagonal 37235401.36246

Equilateral Triangle

Length = n
Perimeter 64493607
Area 2.0012044516315E+14
Altitude 18617700.68123

Triangular Pyramid

Length = n
Surface area 2.0012044516315E+14
Volume 1.1709004911504E+21
Height 10134192.633973