Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

21125871 (number)

21125871 is an odd 8-digits composite number following 21125870 and preceding 21125872. In scientific notation, it is written as 2.1125871 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 13000464 positive integers (up to 21125871) that are relatively prime to 21125871.

Interesting facts

21125871 has 8 divisors, whose sum is 25278960
The reverse of 21125871 is 17852112
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	twenty-one million one hundred twenty-five thousand eight hundred seventy-one

Notation

Scientific notation	2.1125871 × 10^7
Engineering notation	2.1125871 × 10^6

Prime Factorization of 21125871

Prime Factorization 9 × 13 × 180563

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21125871	Product of the distinct prime numbers

The prime factorization of 21125871 is 9 × 13 × 180563. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 10, 55, 71, 116, 839, 7113, 4203, 8248, 1121, 73256, 167618, 709127, 8325682, 61581175, 27332695, 955553938, 72486324, 1900478323, 6844783755

Basic calculations (n = 21125871)

Multiplication

n×y

n×2	42251742
n×3	63377613
n×4	84503484
n×5	105629355

Division

n÷y

n÷2	10562935.5
n÷3	7041957
n÷3	5281467.75
n÷5	4225174.2

Exponentiation

n^y

n²	446302425508641
n³	9.4285274682827E+21
n⁴	1.991858550149E+29
n⁵	4.2079746780694E+36

Nth Root

^y√n

²√n	4596.2888290446
³√n	276.44253989237
⁴√n	67.79593519559
⁵√n	29.171779667732

Divisors of 21125871

1, 9, 13, 117, 180563, 1625067, 2347319, 21125871

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	-21125870	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 21125871 can be divided by 8 positive divisors. The sum of these divisors (counting 21125871) is 1, the average is 0.125.

Base conversion 21125871

Base	System	Value
2	Binary	1010000100101101011101111
3	Ternary	1110202022020200
4	Quaternary	1100211223233
5	Quinary	20402011441
6	Senary	2032444543
8	Octal	120455357
10	Decimal	21125871
12	Duodecimal	70a9753
16	Hexadecimal	1425aef
20	Vigesimal	6c0edb
36	Base36	ckstr

Cryptographic Hash Functions

md5	86da3c4358dfdbe3ed91ea1fa8ba2e54
sha1	7790ecdc79b4e2d7ae3b91840567485aa0e6ba5d
sha256	aa25aff5b2ac54a1768714de86fb8c90c651b8e9ca01f509fbbc5c79b7e143b8
sha512	0589e73e3922d08acf8f9c67105c5cc4a3a13a1fa124cde10b7e891959f4034f91d419eaf3dd11a61e7f72e13f59585273095f468a1f1d80de3a805d64ed10f5
ripemd-160	8e10409f659af7e7d14791d1c5c5aa86a064cdc5

21125871 as geometric shapes

Circle

Radius = n

Diameter	42251742
Circumference	132737762.26857
Area	1.4021004212573E+15

Sphere

Radius = n

Volume	3.9494123504702E+22
Surface area	5.608401685029E+15
Circumference	132737762.26857

Square

Length = n

Perimeter	84503484
Area	446302425508641
Diagonal	29876493.285144

Cube

Length = n

Surface area	2677814553051846
Volume	9.4285274682827E+21
Space diagonal	36591081.926146

Equilateral Triangle

Length = n

Perimeter	63377613
Area	1.9325461913055E+14
Altitude	18295540.963073

Triangular Pyramid

Length = n

Surface area	1.9325461913055E+14
Volume	1.1111626182377E+21
Height	9958831.0950482