21000253 (number)

21000253 is an odd 8-digits composite number following 21000252 and preceding 21000254. In scientific notation, it is written as 2.1000253 × 10^7. The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors. There are 19764928 positive integers (up to 21000253) that are relatively prime to 21000253.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred fifty-three

Notation

Scientific notation 2.1000253 × 10^7
Engineering notation 2.1000253 × 10^6

Prime Factorization of 21000253

Prime Factorization 17 × 1235309

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21000253
Product of the distinct prime numbers

The prime factorization of 21000253 is 17 × 1235309. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000253)

Multiplication

n×y
n×2 42000506
n×3 63000759
n×4 84001012
n×5 105001265

Division

n÷y
n÷2 10500126.5
n÷3 7000084.3333333
n÷3 5250063.25
n÷5 4200050.6

Exponentiation

ny
n2 441010626064009
n3 9.2613347230326E+21
n4 1.9449037230137E+29
n5 4.0843470243929E+36

Nth Root

y√n
2√n 4582.6032994358
3√n 275.89352558258
4√n 67.694928166265
5√n 29.137004791561

Divisors of 21000253

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 -21000252
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 21000253 can be divided by 4 positive divisors. The sum of these divisors (counting 21000253) is 1, the average is 0.25.

Base conversion 21000253

Base System Value
2 Binary 1010000000111000000111101
3 Ternary 1110111220221011
4 Quaternary 1100013000331
5 Quinary 20334002003
6 Senary 2030035221
8 Octal 120070075
10 Decimal 21000253
12 Duodecimal 7048b11
16 Hexadecimal 140703d
20 Vigesimal 6b50cd
36 Base36 ci3wd

Cryptographic Hash Functions

md5 41387f2db206f9847d73cdb5ec609289
sha1 9c042e99b297ea51e1ed1b4088882cded035434a
sha256 94c3251c0321c39ab71fb5b28a64f26c643247730214e280627afde7a158fef7
sha512 c98ea957f11f2526db5879de92ec319493b7011f919a3c1a5507877f5bc469ad7919b0230d9a94e409c47cf9a8c95de5d7fd58068c97144f8708523cd9d4b358
ripemd-160 4a6d624fa5cec5de63ec89beb3ca7de2c2c2f3d5

21000253 as geometric shapes

Circle

Radius = n
Diameter 42000506
Circumference 131948481.09665
Area 1.3854757429977E+15

Sphere

Radius = n
Volume 3.8793788171087E+22
Surface area 5.5419029719909E+15
Circumference 131948481.09665

Square

Length = n
Perimeter 84001012
Area 441010626064009
Diagonal 29698842.605866

Cube

Length = n
Surface area 2646063756384054
Volume 9.2613347230326E+21
Space diagonal 36373505.167801

Equilateral Triangle

Length = n
Perimeter 63000759
Area 1.9096320275516E+14
Altitude 18186752.5839

Triangular Pyramid

Length = n
Surface area 1.9096320275516E+14
Volume 1.0914587642491E+21
Height 9899614.2019554