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

21361251 (number)

21361251 is an odd 8-digits composite number following 21361250 and preceding 21361252. In scientific notation, it is written as 2.1361251 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 14240832 positive integers (up to 21361251) that are relatively prime to 21361251.

Interesting facts

21361251 has 4 divisors, whose sum is 28481672
The reverse of 21361251 is 15216312
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3

Name

Name	twenty-one million three hundred sixty-one thousand two hundred fifty-one

Notation

Scientific notation	2.1361251 × 10^7
Engineering notation	2.1361251 × 10^6

Prime Factorization of 21361251

Prime Factorization 3 × 7120417

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21361251	Product of the distinct prime numbers

The prime factorization of 21361251 is 3 × 7120417. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 4, 74, 98, 177, 810, 4368, 6410, 15261, 64056, 46254, 436100, 8070424, 6689905, 64418576, 26899309, 827355678, 449579355, 9582158904, 3148481920

Basic calculations (n = 21361251)

Multiplication

n×y

n×2	42722502
n×3	64083753
n×4	85445004
n×5	106806255

Division

n÷y

n÷2	10680625.5
n÷3	7120417
n÷3	5340312.75
n÷5	4272250.2

Exponentiation

n^y

n²	456303044285001
n³	9.747203861036E+21
n⁴	2.0821246822376E+29
n⁵	4.4476787950573E+36

Nth Root

^y√n

²√n	4621.8233414963
³√n	277.46543843571
⁴√n	67.983993274125
⁵√n	29.23649704351

Divisors of 21361251

1, 3, 7120417, 21361251

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	-21361250	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 21361251 can be divided by 4 positive divisors. The sum of these divisors (counting 21361251) is 1, the average is 0.25.

Base conversion 21361251

Base	System	Value
2	Binary	1010001011111001001100011
3	Ternary	1111012021010110
4	Quaternary	1101133021203
5	Quinary	20432030001
6	Senary	2041502403
8	Octal	121371143
10	Decimal	21361251
12	Duodecimal	71a1a03
16	Hexadecimal	145f263
20	Vigesimal	6da32b
36	Base36	cpug3

Cryptographic Hash Functions

md5	7795969702b85c62bc28edff4deed0fb
sha1	72c87423a1c2227e787e0587bce02ad24db0f2a6
sha256	9acab73e74d5e822d5745eeb6d89df005c33b888be0373b9376c68aca4ff039c
sha512	4fad37f047400a82a487194c61728ff749d69a3acc1e28c6c6cc2469ce069af61b11d70813cd69c3d741b01bb3b9c1c197426cf4912ce82f17b6e5bdbd2a25f3
ripemd-160	047daac9ccee444829ae9ed16a35484fafbea0b4

21361251 as geometric shapes

Circle

Radius = n

Diameter	42722502
Circumference	134216698.42618
Area	1.4335182917364E+15

Sphere

Radius = n

Volume	4.0828992057164E+22
Surface area	5.7340731669457E+15
Circumference	134216698.42618

Square

Length = n

Perimeter	85445004
Area	456303044285001
Diagonal	30209370.873456

Cube

Length = n

Surface area	2737818265710006
Volume	9.747203861036E+21
Space diagonal	36998772.045231

Equilateral Triangle

Length = n

Perimeter	64083753
Area	1.9758501408749E+14
Altitude	18499386.022616

Triangular Pyramid

Length = n

Surface area	1.9758501408749E+14
Volume	1.148718991291E+21
Height	10069790.291152