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

21451946 (number)

21451946 is an even 8-digits composite number following 21451945 and preceding 21451947. In scientific notation, it is written as 2.1451946 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 10725972 positive integers (up to 21451946) that are relatively prime to 21451946.

Interesting facts

21451946 has 4 divisors, whose sum is 32177922
The reverse of 21451946 is 64915412
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	twenty-one million four hundred fifty-one thousand nine hundred forty-six

Notation

Scientific notation	2.1451946 × 10^7
Engineering notation	2.1451946 × 10^6

Prime Factorization of 21451946

Prime Factorization 2 × 10725973

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21451946	Product of the distinct prime numbers

The prime factorization of 21451946 is 2 × 10725973. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 8, 23, 50, 107, 198, 8276, 338, 32732, 43976, 406318, 869253, 2211439, 3707184, 74653025, 76310658, 882359057, 258710693, 7649157239, 8389505170

Basic calculations (n = 21451946)

Multiplication

n×y

n×2	42903892
n×3	64355838
n×4	85807784
n×5	107259730

Division

n÷y

n÷2	10725973
n÷3	7150648.6666667
n÷3	5362986.5
n÷5	4290389.2

Exponentiation

n^y

n²	460185987186916
n³	9.8718849470904E+21
n⁴	2.117711428032E+29
n⁵	4.5429031197725E+36

Nth Root

^y√n

²√n	4631.6245530051
³√n	277.8575689831
⁴√n	68.056039798134
⁵√n	29.261281287604

Divisors of 21451946

1, 2, 10725973, 21451946

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	-21451945	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 21451946 can be divided by 4 positive divisors. The sum of these divisors (counting 21451946) is 1, the average is 0.25.

Base conversion 21451946

Base	System	Value
2	Binary	1010001110101010010101010
3	Ternary	1111100212112112
4	Quaternary	1101311102222
5	Quinary	20442430241
6	Senary	2043442322
8	Octal	121652252
10	Decimal	21451946
12	Duodecimal	72263a2
16	Hexadecimal	14754aa
20	Vigesimal	6e19h6
36	Base36	crsfe

Cryptographic Hash Functions

md5	6702d1ffab5f1013cdbcd78f11ab70e7
sha1	358840ffc615006cfad41bcb9c2f276f8f4a8654
sha256	c12dc1099c859840929e49b782003fc7ec58cab2a99fc6a38324fbc25a50ffb1
sha512	84dc1a9170a763d2c68110930fefc9a56d46ce5359d0420817d7883e8be3b12090276d3c430195b5d2da5b0d50b89ab9bdceb241a595e433e96ce4b9d20fc572
ripemd-160	c43fd071368838528f8f264ec5e52106831ea0dd

21451946 as geometric shapes

Circle

Radius = n

Diameter	42903892
Circumference	134786551.91761
Area	1.4457169166314E+15

Sphere

Radius = n

Volume	4.1351254969151E+22
Surface area	5.7828676665255E+15
Circumference	134786551.91761

Square

Length = n

Perimeter	85807784
Area	460185987186916
Diagonal	30337632.972495

Cube

Length = n

Surface area	2761115923121496
Volume	9.8718849470904E+21
Space diagonal	37155860.393224

Equilateral Triangle

Length = n

Perimeter	64355838
Area	1.9926637768474E+14
Altitude	18577930.196612

Triangular Pyramid

Length = n

Surface area	1.9926637768474E+14
Volume	1.1634127981968E+21
Height	10112544.324165