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

21007913 (number)

21007913 is an odd 8-digits prime number following 21007912 and preceding 21007914. In scientific notation, it is written as 2.1007913 × 10^7. The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors. There are 21007912 positive integers (up to 21007913) that are relatively prime to 21007913.

Interesting facts

21007913 has 2 divisors, whose sum is 21007914
The reverse of 21007913 is 31970012
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty-one million seven thousand nine hundred thirteen

Notation

Scientific notation	2.1007913 × 10^7
Engineering notation	2.1007913 × 10^6

Prime Factorization of 21007913

Prime Factorization 21007913

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21007913	Product of the distinct prime numbers

The prime factorization of 21007913 is 21007913. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 2, 79, 25, 810, 6, 7634, 2064, 75139, 60505, 29096, 641296, 8482973, 3891426, 45459174, 28988980, 48968586, 409256497, 7119884933, 8447783065

Basic calculations (n = 21007913)

Multiplication

n×y

n×2	42015826
n×3	63023739
n×4	84031652
n×5	105039565

Division

n÷y

n÷2	10503956.5
n÷3	7002637.6666667
n÷3	5251978.25
n÷5	4201582.6

Exponentiation

n^y

n²	441332408615569
n³	9.2714728442763E+21
n⁴	1.9477429489442E+29
n⁵	4.0918014417783E+36

Nth Root

^y√n

²√n	4583.4389927215
³√n	275.92706625
⁴√n	67.701100380433
⁵√n	29.139130069764

Divisors of 21007913

1, 21007913

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21007914	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10503957	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4583.4391018099	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999047978	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21007913 can be divided by 2 positive divisors. The sum of these divisors (counting 21007913) is 21007914, the average is 10503957.

Base conversion 21007913

Base	System	Value
2	Binary	1010000001000111000101001
3	Ternary	1110112022102212
4	Quaternary	1100020320221
5	Quinary	20334223123
6	Senary	2030134505
8	Octal	120107051
10	Decimal	21007913
12	Duodecimal	7051435
16	Hexadecimal	1408e29
20	Vigesimal	6b5jfd
36	Base36	ci9t5

Cryptographic Hash Functions

md5	ef2bb2357434cb2d4c8753dde4de2d67
sha1	0d5f39f642371c0c096a1ce57938806a581b4307
sha256	7e0423d8b86e60fb4aa5239c695a2aa5ea7663a93a39e19cbf260d1b1e9b0acc
sha512	ebb44d791a0a2720dc96123db499cdc222eccc503d73d72a2d92f119b3ca8579d8d2b3d42dd3bfaf0f7c0ace37b8fb42ab2ff87ddbc6896b73e6e1d700cca45e
ripemd-160	af84fbb1ada2b469e6cd1caebf82b379361ee672

21007913 as geometric shapes

Circle

Radius = n

Diameter	42015826
Circumference	131996610.29611
Area	1.3864866526978E+15

Sphere

Radius = n

Volume	3.8836254634048E+22
Surface area	5.545946610791E+15
Circumference	131996610.29611

Square

Length = n

Perimeter	84031652
Area	441332408615569
Diagonal	29709675.481754

Cube

Length = n

Surface area	2647994451693414
Volume	9.2714728442763E+21
Space diagonal	36386772.676987

Equilateral Triangle

Length = n

Perimeter	63023739
Area	1.9110253868723E+14
Altitude	18193386.338493

Triangular Pyramid

Length = n

Surface area	1.9110253868723E+14
Volume	1.0926535532958E+21
Height	9903225.1605847