21249999 (number)

21249999 is an odd 8-digits composite number following 21249998 and preceding 21250000. In scientific notation, it is written as 2.1249999 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 12830400 positive integers (up to 21249999) that are relatively prime to 21249999.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-nine thousand nine hundred ninety-nine

Notation

Scientific notation 2.1249999 × 10^7
Engineering notation 2.1249999 × 10^6

Prime Factorization of 21249999

Prime Factorization 9 × 57 × 23 × 1801

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21249999
Product of the distinct prime numbers

The prime factorization of 21249999 is 9 × 57 × 23 × 1801. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21249999)

Multiplication

n×y
n×2 42499998
n×3 63749997
n×4 84999996
n×5 106249995

Division

n÷y
n÷2 10624999.5
n÷3 7083333
n÷3 5312499.75
n÷5 4249999.8

Exponentiation

ny
n2 451562457500001
n3 9.5957017703126E+21
n4 2.0390865302344E+29
n5 4.3330586728395E+36

Nth Root

y√n
2√n 4609.7721201812
3√n 276.98290849289
4√n 67.895302637084
5√n 29.205979954086

Divisors of 21249999

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 -21249998
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 21249999 can be divided by 16 positive divisors. The sum of these divisors (counting 21249999) is 1, the average is 0.0625.

Base conversion 21249999

Base System Value
2 Binary 1010001000011111111001111
3 Ternary 1110222121112000
4 Quaternary 1101003333033
5 Quinary 20414444444
6 Senary 2035243343
8 Octal 121037717
10 Decimal 21249999
12 Duodecimal 7149553
16 Hexadecimal 1443fcf
20 Vigesimal 6cg4jj
36 Base36 cnglr

Cryptographic Hash Functions

md5 4c00fdf184e5577f8f5be8af7a76abaa
sha1 01f1bbd5becd9c3526b2be16b9dceee72ff2747a
sha256 5d5ff12d54c0c970cf3eb6a314ade292c45262cf293c51d1538255329555d510
sha512 fa5dbc181a96156a8f488eeb2699b14d8fd5a7e37df64357737040283ea46c380e9f63cb1395a8f3e04521cb85bb930c0b666b280433c3a002dfd2ba188c9e40
ripemd-160 85ef8adb6311c87af368627aa5cb0bd0c3c83f90

21249999 as geometric shapes

Circle

Radius = n
Diameter 42499998
Circumference 133517681.49438
Area 1.418625299119E+15

Sphere

Radius = n
Volume 4.0194381583537E+22
Surface area 5.6745011964758E+15
Circumference 133517681.49438

Square

Length = n
Perimeter 84999996
Area 451562457500001
Diagonal 30052036.786215

Cube

Length = n
Surface area 2709374745000006
Volume 9.5957017703126E+21
Space diagonal 36806077.928788

Equilateral Triangle

Length = n
Perimeter 63749997
Area 1.9553227979517E+14
Altitude 18403038.964394

Triangular Pyramid

Length = n
Surface area 1.9553227979517E+14
Volume 1.130864298672E+21
Height 10017345.595405