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

18939897 (number)

18939897 is an odd 8-digits composite number following 18939896 and preceding 18939898. In scientific notation, it is written as 1.8939897 × 10^7. The sum of its digits is 54. It has a total of 3 prime factors and 6 positive divisors. There are 12626592 positive integers (up to 18939897) that are relatively prime to 18939897.

Interesting facts

18939897 has 6 divisors, whose sum is 27357642
The reverse of 18939897 is 79893981
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9

Name

Name	eighteen million nine hundred thirty-nine thousand eight hundred ninety-seven

Notation

Scientific notation	1.8939897 × 10^7
Engineering notation	1.8939897 × 10^6

Prime Factorization of 18939897

Prime Factorization 3 × 3 × 2104433

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	6313299	Product of the distinct prime numbers

The prime factorization of 18939897 is 3 × 3 × 2104433. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 3, 59, 55, 988, 488, 1777, 8952, 17764, 85820, 283638, 663781, 1930659, 1792865, 29757272, 61095338, 521070447, 230538167, 8957264004, 5668068414

Basic calculations (n = 18939897)

Multiplication

n×y

n×2	37879794
n×3	56819691
n×4	75759588
n×5	94699485

Division

n÷y

n÷2	9469948.5
n÷3	6313299
n÷3	4734974.25
n÷5	3787979.4

Exponentiation

n^y

n²	358719698370609
n³	6.7941141390104E+21
n⁴	1.286798219991E+29
n⁵	2.4371825746413E+36

Nth Root

^y√n

²√n	4351.999195772
³√n	266.558501097
⁴√n	65.969683914447
⁵√n	28.541416459583

Divisors of 18939897

1, 3, 9, 2104433, 6313299, 18939897

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-18939896	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18939897 can be divided by 6 positive divisors. The sum of these divisors (counting 18939897) is 1, the average is 0.16666666666667.

Base conversion 18939897

Base	System	Value
2	Binary	1001000001111111111111001
3	Ternary	1022122020122200
4	Quaternary	1020033333321
5	Quinary	14322034042
6	Senary	1513540413
8	Octal	110177771
10	Decimal	18939897
12	Duodecimal	6414709
16	Hexadecimal	120fff9
20	Vigesimal	5i79eh
36	Base36	b9y49

Cryptographic Hash Functions

md5	f3430f1644508ada02222022d5e8a0b0
sha1	991bbfe4a5b79ab0c3a6c79e87fd0255760d34f4
sha256	d7d5e21e299bc9b81804ca1b5da4a9606de52c2176b059e5e7eeea1052789c61
sha512	2bf14df68cbac0fcda540dc3933deffcfba09d4264745c819d9331c56dc48ea783a9dbe60b4d3d480975c98aaf9c31a01d9dfe32f814386e83b37f446b338e7a
ripemd-160	4b3c7006840bde8a92753aaa00bacf966903c664

18939897 as geometric shapes

Circle

Radius = n

Diameter	37879794
Circumference	119002882.54989
Area	1.1269511690991E+15

Sphere

Radius = n

Volume	2.8459118755687E+22
Surface area	4.5078046763962E+15
Circumference	119002882.54989

Square

Length = n

Perimeter	75759588
Area	358719698370609
Diagonal	26785059.207349

Cube

Length = n

Surface area	2152318190223654
Volume	6.7941141390104E+21
Space diagonal	32804863.894121

Equilateral Triangle

Length = n

Perimeter	56819691
Area	1.5533018581342E+14
Altitude	16402431.947061

Triangular Pyramid

Length = n

Surface area	1.5533018581342E+14
Volume	8.0069402997494E+20
Height	8928353.0691165