21491397, twenty-one million four hundred ninety-one thousand three hundred ninety-seven: Prime Factorization, Divisors, Base conversion, Basic calculations, Geometric Shapes

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

Interesting facts

21491397 has 16 divisors, whose sum is 24460800
The reverse of 21491397 is 79319412
Previous prime number is 181

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

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

Notation

Scientific notation	2.1491397 × 10^7
Engineering notation	2.1491397 × 10^6

Prime Factorization of 21491397

Prime Factorization 9 × 79 × 181 × 167

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	21491397	Product of the distinct prime numbers

The prime factorization of 21491397 is 9 × 79 × 181 × 167. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 3, 70, 797, 641, 5412, 4137, 29293, 50960, 912490, 584658, 6431628, 6023308, 93098391, 67494614, 646891331, 275238791, 5320472650, 4377806944

Basic calculations (n = 21491397)

Multiplication

n×y

n×2	42982794
n×3	64474191
n×4	85965588
n×5	107456985

Division

n÷y

n÷2	10745698.5
n÷3	7163799
n÷3	5372849.25
n÷5	4298279.4

Exponentiation

n^y

n²	461880145011609
n³	9.9264495628621E+21
n⁴	2.1333326835594E+29
n⁵	4.5848299635452E+36

Nth Root

^y√n

²√n	4635.8814695805
³√n	278.02779512644
⁴√n	68.087307698135
⁵√n	29.272035916188

Divisors of 21491397

1, 9, 79, 167, 181, 711, 1503, 1629, 13193, 14299, 30227, 118737, 128691, 272043, 2387933, 21491397

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21491396	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491397 can be divided by 16 positive divisors. The sum of these divisors (counting 21491397) is 1, the average is 0.0625.

Base conversion 21491397

Base	System	Value
2	Binary	1010001111110111011000101
3	Ternary	1111102212122200
4	Quaternary	1101332323011
5	Quinary	21000211042
6	Senary	2044345113
8	Octal	121767305
10	Decimal	21491397
12	Duodecimal	7245199
16	Hexadecimal	147eec5
20	Vigesimal	6e689h
36	Base36	csmv9

Cryptographic Hash Functions

md5	a34d725cee91e1211c61980caa2c5f1e
sha1	9babe056b684a3908788344bba5881e00ff654e7
sha256	337d38154a91ec2fc205e4bb914beaa08d9a6f439c640a31f82c88ad6669f54a
sha512	83230b51b8a9a4e369284564a0319a1deb70252fc2937bfcca2c1a436c879596ad6ac5d704f1752a56aa3c3a79b271401046d12b017f8f1d29fe2e458bb267c3
ripemd-160	31cd4256bbde99f5a4b67d4cfc5bb92fbfdaae64

21491397 as geometric shapes

Circle

Radius = n

Diameter	42982794
Circumference	135034429.86116
Area	1.4510392704075E+15

Sphere

Radius = n

Volume	4.1579814697223E+22
Surface area	5.8041570816298E+15
Circumference	135034429.86116

Square

Length = n

Perimeter	85965588
Area	461880145011609
Diagonal	30393425.111744

Cube

Length = n

Surface area	2771280870069654
Volume	9.9264495628621E+21
Space diagonal	37224191.529633

Equilateral Triangle

Length = n

Perimeter	64474191
Area	1.9999996954185E+14
Altitude	18612095.764817

Triangular Pyramid

Length = n

Surface area	1.9999996954185E+14
Volume	1.1698432998343E+21
Height	10131141.703915