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

19981389 (number)

19981389 is an odd 8-digits composite number following 19981388 and preceding 19981390. In scientific notation, it is written as 1.9981389 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 13224816 positive integers (up to 19981389) that are relatively prime to 19981389.

Interesting facts

19981389 has 8 divisors, whose sum is 26834080
The reverse of 19981389 is 98318991
Previous prime number is 139

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3

Name

Name	nineteen million nine hundred eighty-one thousand three hundred eighty-nine

Notation

Scientific notation	1.9981389 × 10^7
Engineering notation	1.9981389 × 10^6

Prime Factorization of 19981389

Prime Factorization 3 × 139 × 47917

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	19981389	Product of the distinct prime numbers

The prime factorization of 19981389 is 3 × 139 × 47917. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 4, 45, 47, 781, 852, 8380, 283, 26242, 76559, 969101, 680178, 6669444, 4540098, 82123299, 86859387, 466817411, 102989514, 8092009876, 3228682302

Basic calculations (n = 19981389)

Multiplication

n×y

n×2	39962778
n×3	59944167
n×4	79925556
n×5	99906945

Division

n÷y

n÷2	9990694.5
n÷3	6660463
n÷3	4995347.25
n÷5	3996277.8

Exponentiation

n^y

n²	399255906369321
n³	7.977687575713E+21
n⁴	1.5940527877079E+29
n⁵	3.1851388837726E+36

Nth Root

^y√n

²√n	4470.0546976519
³√n	271.35753881913
⁴√n	66.858467658569
⁵√n	28.84862610061

Divisors of 19981389

1, 3, 139, 417, 47917, 143751, 6660463, 19981389

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	-19981388	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 19981389 can be divided by 8 positive divisors. The sum of these divisors (counting 19981389) is 1, the average is 0.125.

Base conversion 19981389

Base	System	Value
2	Binary	1001100001110010001001101
3	Ternary	1101121011022110
4	Quaternary	1030032101031
5	Quinary	20103401024
6	Senary	1552134233
8	Octal	114162115
10	Decimal	19981389
12	Duodecimal	6837379
16	Hexadecimal	130e44d
20	Vigesimal	64hd99
36	Base36	bw9ql

Cryptographic Hash Functions

md5	dd2e46b1f2b40bb7f4f3e0dcce1b0bfc
sha1	a9065ff1e5a0f002ccda92cb3173e1d7d8299085
sha256	caa3e558697b2c1a6c2998f47386bfe7238de5dc967593f1c29420821d7ccb96
sha512	c57f733873d2bb8c60d32f3ab64146f39468db8e54282844f4c57d97291737057a22a66b2cecff166af602735503eaaf6e995349331f14985286d4c22b540e15
ripemd-160	38a3ed9e99fc690b3a5dd48976b03b0d65c7b677

19981389 as geometric shapes

Circle

Radius = n

Diameter	39962778
Circumference	125546769.78184
Area	1.2542994223522E+15

Sphere

Radius = n

Volume	3.3416859573993E+22
Surface area	5.0171976894088E+15
Circumference	125546769.78184

Square

Length = n

Perimeter	79925556
Area	399255906369321
Diagonal	28257951.318853

Cube

Length = n

Surface area	2395535438215926
Volume	7.977687575713E+21
Space diagonal	34608780.953798

Equilateral Triangle

Length = n

Perimeter	59944167
Area	1.7288287876341E+14
Altitude	17304390.476899

Triangular Pyramid

Length = n

Surface area	1.7288287876341E+14
Volume	9.4017949716239E+20
Height	9419317.1062842