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

21007907 (number)

21007907 is an odd 8-digits composite number following 21007906 and preceding 21007908. In scientific notation, it is written as 2.1007907 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 20941320 positive integers (up to 21007907) that are relatively prime to 21007907.

Interesting facts

21007907 has 4 divisors, whose sum is 21074496
The reverse of 21007907 is 70970012
Previous prime number is 317

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty-one million seven thousand nine hundred seven

Notation

Scientific notation	2.1007907 × 10^7
Engineering notation	2.1007907 × 10^6

Prime Factorization of 21007907

Prime Factorization 317 × 66271

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21007907	Product of the distinct prime numbers

The prime factorization of 21007907 is 317 × 66271. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 5, 26, 42, 321, 68, 8399, 1264, 87957, 78892, 86786, 950841, 7132208, 6979521, 32001634, 42667717, 102034313, 6980789, 3412205146, 1196009592

Basic calculations (n = 21007907)

Multiplication

n×y

n×2	42015814
n×3	63023721
n×4	84031628
n×5	105039535

Division

n÷y

n÷2	10503953.5
n÷3	7002635.6666667
n÷3	5251976.75
n÷5	4201581.4

Exponentiation

n^y

n²	441332156520649
n³	9.2714649002952E+21
n⁴	1.9477407237917E+29
n⁵	4.0917955985528E+36

Nth Root

^y√n

²√n	4583.4383381911
³√n	275.92703998113
⁴√n	67.701095546461
⁵√n	29.139128405298

Divisors of 21007907

1, 317, 66271, 21007907

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	-21007906	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 21007907 can be divided by 4 positive divisors. The sum of these divisors (counting 21007907) is 1, the average is 0.25.

Base conversion 21007907

Base	System	Value
2	Binary	1010000001000111000100011
3	Ternary	1110112022102122
4	Quaternary	1100020320203
5	Quinary	20334223112
6	Senary	2030134455
8	Octal	120107043
10	Decimal	21007907
12	Duodecimal	705142b
16	Hexadecimal	1408e23
20	Vigesimal	6b5jf7
36	Base36	ci9sz

Cryptographic Hash Functions

md5	c7e9abd9ffbe6265b53f8a21f3fb040c
sha1	b8027df975f46af9881537f1c64e2bc1f4f40374
sha256	706a1742924729d11402dc7e0904d61ce5104395fea1c8c0a8711f2b1858c16b
sha512	950cca74bef4ad19cf5f60ef7b587cb56f41a0f7cc77c07b23150a1a0bb5f3add5a62a3b57708984aca2ccb840afe8bb0ab6907f6ebe08a1681b85aece3c5828
ripemd-160	77380427e49003829e8d9ae4b8c4f7d0d27c585c

21007907 as geometric shapes

Circle

Radius = n

Diameter	42015814
Circumference	131996572.597
Area	1.3864858607182E+15

Sphere

Radius = n

Volume	3.8836221358378E+22
Surface area	5.5459434428728E+15
Circumference	131996572.597

Square

Length = n

Perimeter	84031628
Area	441332156520649
Diagonal	29709666.996473

Cube

Length = n

Surface area	2647992939123894
Volume	9.2714649002952E+21
Space diagonal	36386762.284682

Equilateral Triangle

Length = n

Perimeter	63023721
Area	1.9110242952693E+14
Altitude	18193381.142341

Triangular Pyramid

Length = n

Surface area	1.9110242952693E+14
Volume	1.0926526170886E+21
Height	9903222.3321576