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

21207907 (number)

21207907 is an odd 8-digits composite number following 21207906 and preceding 21207908. In scientific notation, it is written as 2.1207907 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 18133632 positive integers (up to 21207907) that are relatively prime to 21207907.

Interesting facts

21207907 has 8 divisors, whose sum is 24297056
The reverse of 21207907 is 70970212
Previous prime number is 433

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	twenty-one million two hundred seven thousand nine hundred seven

Notation

Scientific notation	2.1207907 × 10^7
Engineering notation	2.1207907 × 10^6

Prime Factorization of 21207907

Prime Factorization 7 × 433 × 6997

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21207907	Product of the distinct prime numbers

The prime factorization of 21207907 is 7 × 433 × 6997. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 6, 80, 62, 286, 413, 669, 9373, 57656, 84148, 378984, 509481, 9135818, 9175193, 42711727, 64256691, 111289319, 755918527, 2004238455, 3924588720

Basic calculations (n = 21207907)

Multiplication

n×y

n×2	42415814
n×3	63623721
n×4	84831628
n×5	106039535

Division

n÷y

n÷2	10603953.5
n÷3	7069302.3333333
n÷3	5301976.75
n÷5	4241581.4

Exponentiation

n^y

n²	449775319320649
n³	9.5387931430476E+21
n⁴	2.0229783786999E+29
n⁵	4.2903137318479E+36

Nth Root

^y√n

²√n	4605.2043385717
³√n	276.79990501823
⁴√n	67.861655878498
⁵√n	29.194400534278

Divisors of 21207907

1, 7, 433, 3031, 6997, 48979, 3029701, 21207907

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21207906	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21207907 can be divided by 8 positive divisors. The sum of these divisors (counting 21207907) is 1, the average is 0.125.

Base conversion 21207907

Base	System	Value
2	Binary	1010000111001101101100011
3	Ternary	1110220110210001
4	Quaternary	1100321231203
5	Quinary	20412123112
6	Senary	2034320431
8	Octal	120715543
10	Decimal	21207907
12	Duodecimal	7129117
16	Hexadecimal	1439b63
20	Vigesimal	6cajf7
36	Base36	cmk4j

Cryptographic Hash Functions

md5	ff59ccfc84621fd5936de7c64e4f46fc
sha1	7b6b28c3022aa07d999649b7951247834c71143b
sha256	4b185cb4da3d88ffa82b6b6e5bea83ac7d33647a2fa7bfac33c460206330017c
sha512	467dfc4145c36ae0a1ea5bbddfdb2faeb9caa5038d72ec82db3c0c57330133b86bb9f2ceacc7f70d1bb1861823a4429f0be6fe1b98924ac61e710cab4159c0d2
ripemd-160	d294e7e775ccb00915cee05cf0c33ee82283827c

21207907 as geometric shapes

Circle

Radius = n

Diameter	42415814
Circumference	133253209.65843
Area	1.4130108389438E+15

Sphere

Radius = n

Volume	3.9956003283081E+22
Surface area	5.652043355775E+15
Circumference	133253209.65843

Square

Length = n

Perimeter	84831628
Area	449775319320649
Diagonal	29992509.708947

Cube

Length = n

Surface area	2698651915923894
Volume	9.5387931430476E+21
Space diagonal	36733172.446196

Equilateral Triangle

Length = n

Perimeter	63623721
Area	1.9475842626347E+14
Altitude	18366586.223098

Triangular Pyramid

Length = n

Surface area	1.9475842626347E+14
Volume	1.1241575526308E+21
Height	9997503.2363158