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

21091397 (number)

21091397 is an odd 8-digits composite number following 21091396 and preceding 21091398. In scientific notation, it is written as 2.1091397 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 20838400 positive integers (up to 21091397) that are relatively prime to 21091397.

Interesting facts

21091397 has 8 divisors, whose sum is 21346200
The reverse of 21091397 is 79319012
Previous prime number is 401

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	2.1091397 × 10^7
Engineering notation	2.1091397 × 10^6

Prime Factorization of 21091397

Prime Factorization 149 × 401 × 353

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21091397	Product of the distinct prime numbers

The prime factorization of 21091397 is 149 × 401 × 353. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 10, 53, 73, 669, 174, 6006, 9682, 64005, 40306, 641348, 867641, 3310083, 2987313, 22873677, 89355477, 959922308, 483842874, 7248049665, 975129036

Basic calculations (n = 21091397)

Multiplication

n×y

n×2	42182794
n×3	63274191
n×4	84365588
n×5	105456985

Division

n÷y

n÷2	10545698.5
n÷3	7030465.6666667
n÷3	5272849.25
n÷5	4218279.4

Exponentiation

n^y

n²	444847027411609
n³	9.3824452594081E+21
n⁴	1.9788887779694E+29
n⁵	4.1737528834998E+36

Nth Root

^y√n

²√n	4592.5370983804
³√n	276.29208820726
⁴√n	67.768260257885
⁵√n	29.162252723156

Divisors of 21091397

1, 149, 353, 401, 52597, 59749, 141553, 21091397

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	-21091396	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 21091397 can be divided by 8 positive divisors. The sum of these divisors (counting 21091397) is 1, the average is 0.125.

Base conversion 21091397

Base	System	Value
2	Binary	1010000011101010001000101
3	Ternary	1110200112221212
4	Quaternary	1100131101011
5	Quinary	20344411042
6	Senary	2032021205
8	Octal	120352105
10	Decimal	21091397
12	Duodecimal	7091805
16	Hexadecimal	141d445
20	Vigesimal	6bg89h
36	Base36	ck285

Cryptographic Hash Functions

md5	96919989b136e5b4906d007f9773912a
sha1	c0982748f24cc08cb5d6f6e247dad9d3c0e67cb3
sha256	97698f4573b7f717233f25223cd6e12afee282c075b98b3e6d479ecb439dd052
sha512	5c0d00d3a90bd9fb8078ca6fd4f05384df8959af11d6c886f30ad9f8115e57bc5e6eb7c7dbac7ad3d17be47c08c63889c3f0da252b5268b3d9256f6ac95d1677
ripemd-160	70c8f15751243b021a0f36a9502026bb321034af

21091397 as geometric shapes

Circle

Radius = n

Diameter	42182794
Circumference	132521155.73829
Area	1.3975281532876E+15

Sphere

Radius = n

Volume	3.9301094799553E+22
Surface area	5.5901126131503E+15
Circumference	132521155.73829

Square

Length = n

Perimeter	84365588
Area	444847027411609
Diagonal	29827739.686795

Cube

Length = n

Surface area	2669082164469654
Volume	9.3824452594081E+21
Space diagonal	36531371.206606

Equilateral Triangle

Length = n

Perimeter	63274191
Area	1.9262441326822E+14
Altitude	18265685.603303

Triangular Pyramid

Length = n

Surface area	1.9262441326822E+14
Volume	1.1057317778398E+21
Height	9942579.8955984