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

21397907 (number)

21397907 is an odd 8-digits prime number following 21397906 and preceding 21397908. In scientific notation, it is written as 2.1397907 × 10^7. The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors. There are 21397906 positive integers (up to 21397907) that are relatively prime to 21397907.

Interesting facts

21397907 has 2 divisors, whose sum is 21397908
The reverse of 21397907 is 70979312
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twenty-one million three hundred ninety-seven thousand nine hundred seven

Notation

Scientific notation	2.1397907 × 10^7
Engineering notation	2.1397907 × 10^6

Prime Factorization of 21397907

Prime Factorization 21397907

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21397907	Product of the distinct prime numbers

The prime factorization of 21397907 is 21397907. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 10, 76, 88, 724, 659, 1203, 5688, 44483, 70935, 286253, 718009, 3843662, 6398653, 44035862, 36910438, 679325007, 401105786, 5845734651, 9774778311

Basic calculations (n = 21397907)

Multiplication

n×y

n×2	42795814
n×3	64193721
n×4	85591628
n×5	106989535

Division

n÷y

n÷2	10698953.5
n÷3	7132635.6666667
n÷3	5349476.75
n÷5	4279581.4

Exponentiation

n^y

n²	457870423980649
n³	9.7974687503885E+21
n⁴	2.0964532515622E+29
n⁵	4.4859711706775E+36

Nth Root

^y√n

²√n	4625.7871762544
³√n	277.62405837412
⁴√n	68.013139732367
⁵√n	29.246524154564

Divisors of 21397907

1, 21397907

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21397908	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10698954	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4625.7872843441	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999065329	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21397907 can be divided by 2 positive divisors. The sum of these divisors (counting 21397907) is 21397908, the average is 10698954.

Base conversion 21397907

Base	System	Value
2	Binary	1010001101000000110010011
3	Ternary	1111021010102002
4	Quaternary	1101220012103
5	Quinary	20434213112
6	Senary	2042344215
8	Octal	121500623
10	Decimal	21397907
12	Duodecimal	71bb06b
16	Hexadecimal	1468193
20	Vigesimal	6deef7
36	Base36	cqmqb

Cryptographic Hash Functions

md5	875fb0799214705678b1c76b4cec9480
sha1	d55e36f5744e845fb25162c07426fc86fe004d23
sha256	392459671c20bc30bef1ef0821d6c582421d892faa88738e5a10b8c869eb6953
sha512	8d85905938e30ab817183ece36dcd6a33f9abffe989f6a5588625973ee4114d74668035ec33276b6e16632200fc5901fa1a382c68d7d7ae3a55e76846dd436e3
ripemd-160	66c918a59986b7318caffb88d4bcfc5f2d532ef3

21397907 as geometric shapes

Circle

Radius = n

Diameter	42795814
Circumference	134447014.8668
Area	1.4384423602737E+15

Sphere

Radius = n

Volume	4.1039541133328E+22
Surface area	5.7537694410946E+15
Circumference	134447014.8668

Square

Length = n

Perimeter	85591628
Area	457870423980649
Diagonal	30261210.285798

Cube

Length = n

Surface area	2747222543883894
Volume	9.7974687503885E+21
Space diagonal	37062262.099634

Equilateral Triangle

Length = n

Perimeter	64193721
Area	1.982637094044E+14
Altitude	18531131.049817

Triangular Pyramid

Length = n

Surface area	1.982637094044E+14
Volume	1.1546427653105E+21
Height	10087070.095266