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

21491189 (number)

21491189 is an odd 8-digits prime number following 21491188 and preceding 21491190. In scientific notation, it is written as 2.1491189 × 10^7. The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors. There are 21491188 positive integers (up to 21491189) that are relatively prime to 21491189.

Interesting facts

21491189 has 2 divisors, whose sum is 21491190
The reverse of 21491189 is 98119412
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	twenty-one million four hundred ninety-one thousand one hundred eighty-nine

Notation

Scientific notation	2.1491189 × 10^7
Engineering notation	2.1491189 × 10^6

Prime Factorization of 21491189

Prime Factorization 21491189

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21491189	Product of the distinct prime numbers

The prime factorization of 21491189 is 21491189. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 9, 51, 57, 909, 954, 7746, 192, 89071, 93075, 233573, 159746, 555510, 5862997, 54737781, 60588870, 280578996, 210217765, 2935651920, 992458684

Basic calculations (n = 21491189)

Multiplication

n×y

n×2	42982378
n×3	64473567
n×4	85964756
n×5	107455945

Division

n÷y

n÷2	10745594.5
n÷3	7163729.6666667
n÷3	5372797.25
n÷5	4298237.8

Exponentiation

n^y

n²	461871204633721
n³	9.926161352441E+21
n⁴	2.133250096698E+29
n⁵	4.5846081012406E+36

Nth Root

^y√n

²√n	4635.8590358207
³√n	278.02689817889
⁴√n	68.087142955338
⁵√n	29.271979255311

Divisors of 21491189

1, 21491189

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21491190	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10745595	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4635.8591436755	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999069386	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491189 can be divided by 2 positive divisors. The sum of these divisors (counting 21491189) is 21491190, the average is 10745595.

Base conversion 21491189

Base	System	Value
2	Binary	1010001111110110111110101
3	Ternary	1111102212100222
4	Quaternary	1101332313311
5	Quinary	21000204224
6	Senary	2044344125
8	Octal	121766765
10	Decimal	21491189
12	Duodecimal	7245045
16	Hexadecimal	147edf5
20	Vigesimal	6e67j9
36	Base36	csmph

Cryptographic Hash Functions

md5	609f687701058da078603f01b2b3cb04
sha1	4f6f3cb4e6f02fbedac47d6f1b4e4e64130e9f8e
sha256	768639e43a46fa0756c538bdf13ac8e7f1024a939e929d19d5840ef06e81c4fe
sha512	37ae298d8f1c919fed3bbf4c6b970946c89804a3e54d4509ec364c8c88de4e67e8368493d72773d29328492e66ea510b0fba368243d201af897936f4903c6b9f
ripemd-160	2d06bbb0c62442144d0e86ae06ee202581d9d450

21491189 as geometric shapes

Circle

Radius = n

Diameter	42982378
Circumference	135033122.95862
Area	1.451011183382E+15

Sphere

Radius = n

Volume	4.1578607444234E+22
Surface area	5.8040447335279E+15
Circumference	135033122.95862

Square

Length = n

Perimeter	85964756
Area	461871204633721
Diagonal	30393130.955323

Cube

Length = n

Surface area	2771227227802326
Volume	9.926161352441E+21
Space diagonal	37223831.263065

Equilateral Triangle

Length = n

Perimeter	64473567
Area	1.9999609824466E+14
Altitude	18611915.631533

Triangular Pyramid

Length = n

Surface area	1.9999609824466E+14
Volume	1.1698093339105E+21
Height	10131043.651774