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

21491375 (number)

21491375 is an odd 8-digits composite number following 21491374 and preceding 21491376. In scientific notation, it is written as 2.1491375 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 16286400 positive integers (up to 21491375) that are relatively prime to 21491375.

Interesting facts

21491375 has 8 divisors, whose sum is 22806000
The reverse of 21491375 is 57319412
Previous prime number is 19

Basic properties

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

Name

Name	twenty-one million four hundred ninety-one thousand three hundred seventy-five

Notation

Scientific notation	2.1491375 × 10^7
Engineering notation	2.1491375 × 10^6

Prime Factorization of 21491375

Prime Factorization 125 × 19 × 9049

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21491375	Product of the distinct prime numbers

The prime factorization of 21491375 is 125 × 19 × 9049. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 9, 25, 7, 793, 735, 7570, 3706, 55788, 55284, 506693, 422047, 5205019, 3171631, 20989780, 25156017, 772582263, 188740341, 4513059574, 9853971836

Basic calculations (n = 21491375)

Multiplication

n×y

n×2	42982750
n×3	64474125
n×4	85965500
n×5	107456875

Division

n÷y

n÷2	10745687.5
n÷3	7163791.6666667
n÷3	5372843.75
n÷5	4298275

Exponentiation

n^y

n²	461879199390625
n³	9.9264190788037E+21
n⁴	2.1333239482972E+29
n⁵	4.5848064969337E+36

Nth Root

^y√n

²√n	4635.8790967841
³√n	278.02770025726
⁴√n	68.087290273473
⁵√n	29.272029923232

Divisors of 21491375

1, 19, 125, 2375, 9049, 171931, 1131125, 21491375

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	-21491374	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 21491375 can be divided by 8 positive divisors. The sum of these divisors (counting 21491375) is 1, the average is 0.125.

Base conversion 21491375

Base	System	Value
2	Binary	1010001111110111010101111
3	Ternary	1111102212121212
4	Quaternary	1101332322233
5	Quinary	21000211000
6	Senary	2044345035
8	Octal	121767257
10	Decimal	21491375
12	Duodecimal	724517b
16	Hexadecimal	147eeaf
20	Vigesimal	6e688f
36	Base36	csmun

Cryptographic Hash Functions

md5	d4f672b969e253cf068fd0277ed1280b
sha1	0ec4f3ee36229d3faa2943f0542d4ed26e392b3a
sha256	29bdd3b756d07199d9c38868ede141e63081aca11ecbb7ad4173310af20b050f
sha512	b21fa072fe42149abbe3f31fbf0dca8a18d8732186cb2a2e62b33229dc334b06f1f3ef42ea0090c688310a3167b9f22abbcbc3eb54044686248f38da0332d95b
ripemd-160	0dc52ffe2f769688a0087eaf83f16f1194fd14a2

21491375 as geometric shapes

Circle

Radius = n

Diameter	42982750
Circumference	135034291.63109
Area	1.4510362996515E+15

Sphere

Radius = n

Volume	4.1579687005898E+22
Surface area	5.8041451986061E+15
Circumference	135034291.63109

Square

Length = n

Perimeter	85965500
Area	461879199390625
Diagonal	30393393.999046

Cube

Length = n

Surface area	2771275196343750
Volume	9.9264190788037E+21
Space diagonal	37224153.424516

Equilateral Triangle

Length = n

Perimeter	64474125
Area	1.9999956007595E+14
Altitude	18612076.712258

Triangular Pyramid

Length = n

Surface area	1.9999956007595E+14
Volume	1.1698397072536E+21
Height	10131131.333015