21492870 (number)

21492870 is an even 8-digits composite number following 21492869 and preceding 21492871. In scientific notation, it is written as 2.1492870 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 4912320 positive integers (up to 21492870) that are relatively prime to 21492870.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand eight hundred seventy

Notation

Scientific notation 2.1492870 × 10^7
Engineering notation 2.1492870 × 10^6

Prime Factorization of 21492870

Prime Factorization 2 × 147 × 5 × 14621

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21492870
Product of the distinct prime numbers

The prime factorization of 21492870 is 2 × 147 × 5 × 14621. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 8, 62, 38, 419, 362, 6339, 8937, 11852, 9151, 176608, 234041, 6760481, 2522283, 86214584, 7669970, 626152366, 457024335, 3461674996, 3140367935

Basic calculations (n = 21492870)

Multiplication

n×y
n×2 42985740
n×3 64478610
n×4 85971480
n×5 107464350

Division

n÷y
n÷2 10746435
n÷3 7164290
n÷3 5373217.5
n÷5 4298574

Exponentiation

ny
n2 461943460836900
n3 9.9284907511176E+21
n4 2.1339176100997E+29
n5 4.5864013784584E+36

Nth Root

y√n
2√n 4636.0403363215
3√n 278.03414690193
4√n 68.08847432805
5√n 29.272437160713

Divisors of 21492870

1, 2, 5, 10, 147, 294, 735, 1470, 14621, 29242, 73105, 146210, 2149287, 4298574, 10746435, 21492870

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492869
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492870 can be divided by 16 positive divisors. The sum of these divisors (counting 21492870) is 1, the average is 0.0625.

Base conversion 21492870

Base System Value
2 Binary 1010001111111010010000110
3 Ternary 1111102221200020
4 Quaternary 1101333102012
5 Quinary 21000232440
6 Senary 2044400010
8 Octal 121772206
10 Decimal 21492870
12 Duodecimal 7246006
16 Hexadecimal 147f486
20 Vigesimal 6e6c3a
36 Base36 cso06

Cryptographic Hash Functions

md5 ce0513534723b320d1b864a24fb4a815
sha1 4cb4e820c9ca07956c53a9ee5c8f5bc18a9896b0
sha256 32a3f1f272a5596d735e843e0e84753c4358b1f081a39e6686789e9cccda95d4
sha512 fa7fab3d98caf76aea876a198a52d8df65c7eae6e1760b0c6021170816f5bb80a29320e32e7e6eaaf2eb1c993eda4288c41b7ba72dfb5ae8736304d670039ce4
ripemd-160 1df4c8f2e5a4b967f9c9b5153b37933455f88155

21492870 as geometric shapes

Circle

Radius = n
Diameter 42985740
Circumference 135043684.99312
Area 1.451238182939E+15

Sphere

Radius = n
Volume 4.1588364806594E+22
Surface area 5.8049527317562E+15
Circumference 135043684.99312

Square

Length = n
Perimeter 85971480
Area 461943460836900
Diagonal 30395508.248322

Cube

Length = n
Surface area 2771660765021400
Volume 9.9284907511176E+21
Space diagonal 37226742.840473

Equilateral Triangle

Length = n
Perimeter 64478610
Area 2.0002738609843E+14
Altitude 18613371.420236

Triangular Pyramid

Length = n
Surface area 2.0002738609843E+14
Volume 1.1700838561772E+21
Height 10131836.082774