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

21025813 (number)

21025813 is an odd 8-digits composite number following 21025812 and preceding 21025814. In scientific notation, it is written as 2.1025813 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 21015820 positive integers (up to 21025813) that are relatively prime to 21025813.

Interesting facts

21025813 has 4 divisors, whose sum is 21035808
The reverse of 21025813 is 31852012
Previous prime number is 6983

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

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

Notation

Scientific notation	2.1025813 × 10^7
Engineering notation	2.1025813 × 10^6

Prime Factorization of 21025813

Prime Factorization 6983 × 3011

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21025813	Product of the distinct prime numbers

The prime factorization of 21025813 is 6983 × 3011. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 5, 57, 18, 970, 607, 5318, 4882, 81058, 70872, 848275, 72258, 6735265, 1528904, 99987846, 64292911, 835187887, 867519227, 4122622118, 2990791255

Basic calculations (n = 21025813)

Multiplication

n×y

n×2	42051626
n×3	63077439
n×4	84103252
n×5	105129065

Division

n÷y

n÷2	10512906.5
n÷3	7008604.3333333
n÷3	5256453.25
n÷5	4205162.6

Exponentiation

n^y

n²	442084812310969
n³	9.2951925937905E+21
n⁴	1.9543898127602E+29
n⁵	4.1092634732202E+36

Nth Root

^y√n

²√n	4585.3912592057
³√n	276.0054127973
⁴√n	67.715517122781
⁵√n	29.144094034996

Divisors of 21025813

1, 3011, 6983, 21025813

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	-21025812	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 21025813 can be divided by 4 positive divisors. The sum of these divisors (counting 21025813) is 1, the average is 0.25.

Base conversion 21025813

Base	System	Value
2	Binary	1010000001101010000010101
3	Ternary	1110120012222211
4	Quaternary	1100031100111
5	Quinary	20340311223
6	Senary	2030353421
8	Octal	120152025
10	Decimal	21025813
12	Duodecimal	705b871
16	Hexadecimal	140d415
20	Vigesimal	6b84ad
36	Base36	cinmd

Cryptographic Hash Functions

md5	f5e4a66d568e17ef1f677f2e60e034d9
sha1	8e5d5062eda4bd18aa44f54c8eb58da9321ddf62
sha256	c8962f704d7997d8bde82b5868afcd185d903003ca341db0850e00718a0bc0c7
sha512	9316a83b2a05f24ca6b58b1210605c98479e0c68f21f6e433db503fc6df532a19ab72e294e15811337ff946e15f1b69fe0574a2c6b7cb12e2a8a81bed30f8242
ripemd-160	0c794e0164cda67f993e416869befac98fba691b

21025813 as geometric shapes

Circle

Radius = n

Diameter	42051626
Circumference	132109079.31311
Area	1.3888503986198E+15

Sphere

Radius = n

Volume	3.8935611688473E+22
Surface area	5.5554015944791E+15
Circumference	132109079.31311

Square

Length = n

Perimeter	84103252
Area	442084812310969
Diagonal	29734989.904521

Cube

Length = n

Surface area	2652508873865814
Volume	9.2951925937905E+21
Space diagonal	36417776.386442

Equilateral Triangle

Length = n

Perimeter	63077439
Area	1.9142833904429E+14
Altitude	18208888.193221

Triangular Pyramid

Length = n

Surface area	1.9142833904429E+14
Volume	1.095448952584E+21
Height	9911663.3015068