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

20971389 (number)

20971389 is an odd 8-digits composite number following 20971388 and preceding 20971390. In scientific notation, it is written as 2.0971389 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 13980924 positive integers (up to 20971389) that are relatively prime to 20971389.

Interesting facts

20971389 has 4 divisors, whose sum is 27961856
The reverse of 20971389 is 98317902
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

Name	twenty million nine hundred seventy-one thousand three hundred eighty-nine

Notation

Scientific notation	2.0971389 × 10^7
Engineering notation	2.0971389 × 10^6

Prime Factorization of 20971389

Prime Factorization 3 × 6990463

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20971389	Product of the distinct prime numbers

The prime factorization of 20971389 is 3 × 6990463. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 7, 87, 76, 837, 576, 6382, 5418, 5488, 43391, 18143, 454498, 1816577, 6835198, 72179592, 31234965, 574669831, 414018717, 2119214796, 6885432001

Basic calculations (n = 20971389)

Multiplication

n×y

n×2	41942778
n×3	62914167
n×4	83885556
n×5	104856945

Division

n÷y

n÷2	10485694.5
n÷3	6990463
n÷3	5242847.25
n÷5	4194277.8

Exponentiation

n^y

n²	439799156589321
n³	9.2231991947066E+21
n⁴	1.9342329813668E+29
n⁵	4.0563552268873E+36

Nth Root

^y√n

²√n	4579.4529149234
³√n	275.76706612256
⁴√n	67.671655180905
⁵√n	29.128990857044

Divisors of 20971389

1, 3, 6990463, 20971389

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20971388	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20971389 can be divided by 4 positive divisors. The sum of these divisors (counting 20971389) is 1, the average is 0.25.

Base conversion 20971389

Base	System	Value
2	Binary	1001111111111111101111101
3	Ternary	1110110110100010
4	Quaternary	1033333331331
5	Quinary	20332041024
6	Senary	2025253433
8	Octal	117777575
10	Decimal	20971389
12	Duodecimal	7034279
16	Hexadecimal	13fff7d
20	Vigesimal	6b1899
36	Base36	chhml

Cryptographic Hash Functions

md5	fed9cb7b4e152a2693a4c349c46e0c67
sha1	074b40ea9f1d67370bbcc2111622471768abc5ff
sha256	4a9e0efe50350dcd90e51765638e3597458f5cf2bf27c8ba5e3e962d034bd90a
sha512	2b0effb57d1bcaa22f56fa33756f5c9e74e211c1ed2ffb815e68b431daedd66b3e111a6725c54af1f034ab3c836b5d123bd00e999cde128afda9f71f2615a7f1
ripemd-160	7e249f66d0d5a7bbb783f8e4dd550e0bb77cccaf

20971389 as geometric shapes

Circle

Radius = n

Diameter	41942778
Circumference	131767123.23595
Area	1.381669799396E+15

Sphere

Radius = n

Volume	3.8634046443581E+22
Surface area	5.526679197584E+15
Circumference	131767123.23595

Square

Length = n

Perimeter	83885556
Area	439799156589321
Diagonal	29658022.745602

Cube

Length = n

Surface area	2638794939535926
Volume	9.2231991947066E+21
Space diagonal	36323511.253291

Equilateral Triangle

Length = n

Perimeter	62914167
Area	1.9043862108466E+14
Altitude	18161755.626646

Triangular Pyramid

Length = n

Surface area	1.9043862108466E+14
Volume	1.0869644491352E+21
Height	9886007.5818673