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

21139961 (number)

21139961 is an odd 8-digits composite number following 21139960 and preceding 21139962. In scientific notation, it is written as 2.1139961 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 20648292 positive integers (up to 21139961) that are relatively prime to 21139961.

Interesting facts

21139961 has 4 divisors, whose sum is 21631632
The reverse of 21139961 is 16993112
Previous prime number is 43

Basic properties

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

Name

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

Notation

Scientific notation	2.1139961 × 10^7
Engineering notation	2.1139961 × 10^6

Prime Factorization of 21139961

Prime Factorization 43 × 491627

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21139961	Product of the distinct prime numbers

The prime factorization of 21139961 is 43 × 491627. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 5, 51, 36, 885, 230, 4009, 676, 13760, 70088, 232430, 18401, 3449067, 8864453, 12221510, 14014512, 562770185, 34444392, 8277016081, 7697867549

Basic calculations (n = 21139961)

Multiplication

n×y

n×2	42279922
n×3	63419883
n×4	84559844
n×5	105699805

Division

n÷y

n÷2	10569980.5
n÷3	7046653.6666667
n÷3	5284990.25
n÷5	4227992.2

Exponentiation

n^y

n²	446897951081521
n³	9.4474052568433E+21
n⁴	1.9971777868086E+29
n⁵	4.22202605232E+36

Nth Root

^y√n

²√n	4597.8213318919
³√n	276.50398445579
⁴√n	67.80723657466
⁵√n	29.175669881431

Divisors of 21139961

1, 43, 491627, 21139961

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	-21139960	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 21139961 can be divided by 4 positive divisors. The sum of these divisors (counting 21139961) is 1, the average is 0.25.

Base conversion 21139961

Base	System	Value
2	Binary	1010000101001000111111001
3	Ternary	1110210000120112
4	Quaternary	1100221013321
5	Quinary	20402434321
6	Senary	2033034105
8	Octal	120510771
10	Decimal	21139961
12	Duodecimal	70b5935
16	Hexadecimal	14291f9
20	Vigesimal	6c29i1
36	Base36	cl3p5

Cryptographic Hash Functions

md5	0fd47c54a25348123eb4f1c28ec7fea9
sha1	4fbb29f3b5f590de8149ac5ff8beedc23403f5ec
sha256	cfe2f44907f1ff75081253a7028105604785b80fc921908ecec6c0896fbc2ff8
sha512	a838128533404b3b9fdffbb732378f6edede0a61bcfdd0c3f0af7006c7b47b3c6456a91ac5e638b6f9ca5390b12410ca92b542fe778a2f50c95ec5dd6f3bf096
ripemd-160	c6f1a37c7a68c0d352da3088dcc918c44633131b

21139961 as geometric shapes

Circle

Radius = n

Diameter	42279922
Circumference	132826292.34955
Area	1.403971320022E+15

Sphere

Radius = n

Volume	3.9573198600513E+22
Surface area	5.6158852800881E+15
Circumference	132826292.34955

Square

Length = n

Perimeter	84559844
Area	446897951081521
Diagonal	29896419.554238

Cube

Length = n

Surface area	2681387706489126
Volume	9.4474052568433E+21
Space diagonal	36615486.522025

Equilateral Triangle

Length = n

Perimeter	63419883
Area	1.9351248926791E+14
Altitude	18307743.261012

Triangular Pyramid

Length = n

Surface area	1.9351248926791E+14
Volume	1.1133873869552E+21
Height	9965473.1847461