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

21001907 (number)

21001907 is an odd 8-digits composite number following 21001906 and preceding 21001908. In scientific notation, it is written as 2.1001907 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 20978136 positive integers (up to 21001907) that are relatively prime to 21001907.

Interesting facts

21001907 has 4 divisors, whose sum is 21025680
The reverse of 21001907 is 70910012
Previous prime number is 919

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	twenty-one million one thousand nine hundred seven

Notation

Scientific notation	2.1001907 × 10^7
Engineering notation	2.1001907 × 10^6

Prime Factorization of 21001907

Prime Factorization 919 × 22853

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21001907	Product of the distinct prime numbers

The prime factorization of 21001907 is 919 × 22853. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 10, 51, 40, 383, 573, 7469, 3557, 70167, 66287, 260408, 216283, 748923, 382913, 26821735, 2414821, 938836218, 13709601, 7655296651, 6399612272

Basic calculations (n = 21001907)

Multiplication

n×y

n×2	42003814
n×3	63005721
n×4	84007628
n×5	105009535

Division

n÷y

n÷2	10500953.5
n÷3	7000635.6666667
n÷3	5250476.75
n÷5	4200381.4

Exponentiation

n^y

n²	441080097636649
n³	9.2635231901158E+21
n⁴	1.9455165253116E+29
n⁵	4.0859557131556E+36

Nth Root

^y√n

²√n	4582.7837609907
³√n	275.90076860502
⁴√n	67.696261056211
⁵√n	29.137463748772

Divisors of 21001907

1, 919, 22853, 21001907

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	-21001906	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 21001907 can be divided by 4 positive divisors. The sum of these divisors (counting 21001907) is 1, the average is 0.25.

Base conversion 21001907

Base	System	Value
2	Binary	1010000000111011010110011
3	Ternary	1110112000012102
4	Quaternary	1100013122303
5	Quinary	20334030112
6	Senary	2030051015
8	Octal	120073263
10	Decimal	21001907
12	Duodecimal	7049a6b
16	Hexadecimal	14076b3
20	Vigesimal	6b54f7
36	Base36	ci56b

Cryptographic Hash Functions

md5	19855f408f9bf87045fd83d2800f53c2
sha1	ef04eef08951bfa66d6b01d0d62ae2dfdce37d08
sha256	9d40ffe537443c7e25ae963a8fdb60523a9313dae4238bcac1034ac87508d016
sha512	6c862a2d88f97d482cce03cf2ec75e3304e83e769fc4bec331bd2a723dbc91db989e182000aa5b9dae8a3e93ba197581bd658a33be369578279a1805e8a55566
ripemd-160	338b540760387377e426ea46d53398bdd511e40d

21001907 as geometric shapes

Circle

Radius = n

Diameter	42003814
Circumference	131958873.48515
Area	1.38569399438E+15

Sphere

Radius = n

Volume	3.8802955200569E+22
Surface area	5.5427759775199E+15
Circumference	131958873.48515

Square

Length = n

Perimeter	84007628
Area	441080097636649
Diagonal	29701181.715098

Cube

Length = n

Surface area	2646480585819894
Volume	9.2635231901158E+21
Space diagonal	36376369.979836

Equilateral Triangle

Length = n

Perimeter	63005721
Area	1.9099328482853E+14
Altitude	18188184.989918

Triangular Pyramid

Length = n

Surface area	1.9099328482853E+14
Volume	1.0917166775683E+21
Height	9900393.9050328