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

21125891 (number)

21125891 is an odd 8-digits composite number following 21125890 and preceding 21125892. In scientific notation, it is written as 2.1125891 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 18472608 positive integers (up to 21125891) that are relatively prime to 21125891.

Interesting facts

21125891 has 8 divisors, whose sum is 21917520
The reverse of 21125891 is 19852112
Previous prime number is 437

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	2.1125891 × 10^7
Engineering notation	2.1125891 × 10^6

Prime Factorization of 21125891

Prime Factorization 29 × 437 × 1667

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21125891	Product of the distinct prime numbers

The prime factorization of 21125891 is 29 × 437 × 1667. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 30, 72, 321, 495, 7957, 1806, 2806, 54853, 897874, 497835, 3990864, 3936195, 71622198, 81001250, 508673218, 36498918, 2987845119, 224877013

Basic calculations (n = 21125891)

Multiplication

n×y

n×2	42251782
n×3	63377673
n×4	84503564
n×5	105629455

Division

n÷y

n÷2	10562945.5
n÷3	7041963.6666667
n÷3	5281472.75
n÷5	4225178.2

Exponentiation

n^y

n²	446303270543881
n³	9.4285542464535E+21
n⁴	1.9918660929816E+29
n⁵	4.2079945966926E+36

Nth Root

^y√n

²√n	4596.2910047124
³√n	276.442627129
⁴√n	67.795951241297
⁵√n	29.171785191152

Divisors of 21125891

1, 29, 437, 1667, 12673, 48343, 728479, 21125891

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	-21125890	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 21125891 can be divided by 8 positive divisors. The sum of these divisors (counting 21125891) is 1, the average is 0.125.

Base conversion 21125891

Base	System	Value
2	Binary	1010000100101101100000011
3	Ternary	1110202022021102
4	Quaternary	1100211230003
5	Quinary	20402012031
6	Senary	2032445015
8	Octal	120455403
10	Decimal	21125891
12	Duodecimal	70a976b
16	Hexadecimal	1425b03
20	Vigesimal	6c0eeb
36	Base36	cksub

Cryptographic Hash Functions

md5	f58223e45fe9838d1fdd4ee2f1be01bb
sha1	0b7f53ce75bc93f04599b0395fa1d41c7b685fe1
sha256	2f90c6ef8417b89897a371654ab02d642b3d5b35982fe5202112c2dac35a9e0d
sha512	512ac5aa145b01a3caa31ac15a595d956f57591ba1ec37331a2e50f3b7f6dbac984e163d08a7a772a1480cc717101e77430c2091a866a121808c3100736ba00a
ripemd-160	2d82d00d0c3f898c642b256690a4b8d9bad6e953

21125891 as geometric shapes

Circle

Radius = n

Diameter	42251782
Circumference	132737887.93228
Area	1.4021030760138E+15

Sphere

Radius = n

Volume	3.9494235672842E+22
Surface area	5.608412304055E+15
Circumference	132737887.93228

Square

Length = n

Perimeter	84503564
Area	446303270543881
Diagonal	29876521.569416

Cube

Length = n

Surface area	2677819623263286
Volume	9.4285542464535E+21
Space diagonal	36591116.567162

Equilateral Triangle

Length = n

Perimeter	63377673
Area	1.9325498504154E+14
Altitude	18295558.283581

Triangular Pyramid

Length = n

Surface area	1.9325498504154E+14
Volume	1.1111657740754E+21
Height	9958840.5231386