21485265 (number)

21485265 is an odd 8-digits composite number following 21485264 and preceding 21485266. In scientific notation, it is written as 2.1485265 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 11458800 positive integers (up to 21485265) that are relatively prime to 21485265.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred eighty-five thousand two hundred sixty-five

Notation

Scientific notation 2.1485265 × 10^7
Engineering notation 2.1485265 × 10^6

Prime Factorization of 21485265

Prime Factorization 15 × 1432351

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21485265
Product of the distinct prime numbers

The prime factorization of 21485265 is 15 × 1432351. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21485265)

Multiplication

n×y
n×2 42970530
n×3 64455795
n×4 85941060
n×5 107426325

Division

n÷y
n÷2 10742632.5
n÷3 7161755
n÷3 5371316.25
n÷5 4297053

Exponentiation

ny
n2 461616612120225
n3 9.9179552398052E+21
n4 2.1308989658535E+29
n5 4.5782928969589E+36

Nth Root

y√n
2√n 4635.220059501
3√n 278.00134999258
4√n 68.082450451647
5√n 29.270365325733

Divisors of 21485265

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 -21485264
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 21485265 can be divided by 4 positive divisors. The sum of these divisors (counting 21485265) is 1, the average is 0.25.

Base conversion 21485265

Base System Value
2 Binary 1010001111101011011010001
3 Ternary 1111102120020120
4 Quaternary 1101331123101
5 Quinary 21000012030
6 Senary 2044300453
8 Octal 121753321
10 Decimal 21485265
12 Duodecimal 7241729
16 Hexadecimal 147d6d1
20 Vigesimal 6e5d35
36 Base36 csi4x

Cryptographic Hash Functions

md5 a649bfab851b5bfef8c1bd3e9c25968f
sha1 218b55ce871bee030b5f6530c2530a0dd90087e9
sha256 20136befa388c6f9d6b4742d3662e25e831ed78719b0886d76afe0592ccdcf2a
sha512 32de0b9b0ff6c5b464c59782ffa36b8302bb4c79fa8d31c2b9039014b8bd2d711cc43d77fada7bbd087dbfa59551f9d1dac79864c6e29637b50a7474795fb77d
ripemd-160 5b1d295a2b1a61eed0a1884e848320b0329f0505

21485265 as geometric shapes

Circle

Radius = n
Diameter 42970530
Circumference 134995901.36886
Area 1.4502113574119E+15

Sphere

Radius = n
Volume 4.1544233760006E+22
Surface area 5.8008454296476E+15
Circumference 134995901.36886

Square

Length = n
Perimeter 85941060
Area 461616612120225
Diagonal 30384753.15418

Cube

Length = n
Surface area 2769699672721350
Volume 9.9179552398052E+21
Space diagonal 37213570.594081

Equilateral Triangle

Length = n
Perimeter 64455795
Area 1.9988585645251E+14
Altitude 18606785.297041

Triangular Pyramid

Length = n
Surface area 1.9988585645251E+14
Volume 1.1688422342618E+21
Height 10128251.051393