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

21961421 (number)

21961421 is an odd 8-digits composite number following 21961420 and preceding 21961422. In scientific notation, it is written as 2.1961421 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 21875712 positive integers (up to 21961421) that are relatively prime to 21961421.

Interesting facts

21961421 has 4 divisors, whose sum is 22047132
The reverse of 21961421 is 12416912
Previous prime number is 257

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty-one million nine hundred sixty-one thousand four hundred twenty-one

Notation

Scientific notation	2.1961421 × 10^7
Engineering notation	2.1961421 × 10^6

Prime Factorization of 21961421

Prime Factorization 257 × 85453

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21961421	Product of the distinct prime numbers

The prime factorization of 21961421 is 257 × 85453. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 9, 3, 72, 393, 549, 9547, 2709, 168, 37413, 751802, 945879, 6394726, 7021587, 48449025, 29925123, 163160466, 98555600, 436691390, 9370095295

Basic calculations (n = 21961421)

Multiplication

n×y

n×2	43922842
n×3	65884263
n×4	87845684
n×5	109807105

Division

n÷y

n÷2	10980710.5
n÷3	7320473.6666667
n÷3	5490355.25
n÷5	4392284.2

Exponentiation

n^y

n²	482304012339241
n³	1.0592081464971E+22
n⁴	2.3261716031853E+29
n⁵	5.1086033895797E+36

Nth Root

^y√n

²√n	4686.3014200967
³√n	280.04004954339
⁴√n	68.456565938533
⁵√n	29.398968133086

Divisors of 21961421

1, 257, 85453, 21961421

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	-21961420	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 21961421 can be divided by 4 positive divisors. The sum of these divisors (counting 21961421) is 1, the average is 0.25.

Base conversion 21961421

Base	System	Value
2	Binary	1010011110001101011001101
3	Ternary	1112022202101222
4	Quaternary	1103301223031
5	Quinary	21110231141
6	Senary	2102413125
8	Octal	123615315
10	Decimal	21961421
12	Duodecimal	74311a5
16	Hexadecimal	14f1acd
20	Vigesimal	6h53b1
36	Base36	d2pjh

Cryptographic Hash Functions

md5	f36ff426583ec30bcb110bc0691f1c49
sha1	9ef738e592827ed3e0403fe33ac69e2889c84927
sha256	07fb8d92d9b351be237835e9f45c86c24a2c4a9568e7f2cc8f59c9f971f2dc96
sha512	cfbbc6e59f1b4b87c72885f4528370366898c929ee67e32d700be214a5a3a226c2950ea777a76028cc67ed6b3b52186496ba9a0d568251fa6cb85af6ad5a5f45
ripemd-160	a6b863eb491adade3015c37bbfca2213029efdbc

21961421 as geometric shapes

Circle

Radius = n

Diameter	43922842
Circumference	137987677.75199
Area	1.5152027419618E+15

Sphere

Radius = n

Volume	4.4368007088771E+22
Surface area	6.0608109678474E+15
Circumference	137987677.75199

Square

Length = n

Perimeter	87845684
Area	482304012339241
Diagonal	31058139.427185

Cube

Length = n

Surface area	2893824074035446
Volume	1.0592081464971E+22
Space diagonal	38038296.97841

Equilateral Triangle

Length = n

Perimeter	65884263
Area	2.0884376351647E+14
Altitude	19019148.489205

Triangular Pyramid

Length = n

Surface area	2.0884376351647E+14
Volume	1.2482887717936E+21
Height	10352713.142395