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

20921489 (number)

20921489 is an odd 8-digits composite number following 20921488 and preceding 20921490. In scientific notation, it is written as 2.0921489 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 19782576 positive integers (up to 20921489) that are relatively prime to 20921489.

Interesting facts

20921489 has 8 divisors, whose sum is 22064640
The reverse of 20921489 is 98412902
Previous prime number is 1013

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

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

Notation

Scientific notation	2.0921489 × 10^7
Engineering notation	2.0921489 × 10^6

Prime Factorization of 20921489

Prime Factorization 19 × 1013 × 1087

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20921489	Product of the distinct prime numbers

The prime factorization of 20921489 is 19 × 1013 × 1087. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 6, 54, 100, 313, 835, 9174, 5468, 12472, 5169, 432992, 962429, 8075754, 7592247, 58526811, 83590821, 10670919, 42627596, 2093436460, 6522478562

Basic calculations (n = 20921489)

Multiplication

n×y

n×2	41842978
n×3	62764467
n×4	83685956
n×5	104607445

Division

n÷y

n÷2	10460744.5
n÷3	6973829.6666667
n÷3	5230372.25
n÷5	4184297.8

Exponentiation

n^y

n²	437708701977121
n³	9.1575177936186E+21
n⁴	1.915889077865E+29
n⁵	4.0083252267772E+36

Nth Root

^y√n

²√n	4574.0014210754
³√n	275.54816939412
⁴√n	67.631364181683
⁵√n	29.115115552371

Divisors of 20921489

1, 19, 1013, 1087, 19247, 20653, 1101131, 20921489

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	-20921488	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 20921489 can be divided by 8 positive divisors. The sum of these divisors (counting 20921489) is 1, the average is 0.125.

Base conversion 20921489

Base	System	Value
2	Binary	1001111110011110010010001
3	Ternary	1110100220212222
4	Quaternary	1033303302101
5	Quinary	20323441424
6	Senary	2024230425
8	Octal	117636221
10	Decimal	20921489
12	Duodecimal	700b415
16	Hexadecimal	13f3c91
20	Vigesimal	6af3e9
36	Base36	cgf4h

Cryptographic Hash Functions

md5	41da8dba80714f65f184d2d8dae38855
sha1	e7acc2bf8821da7b979b41764132b27780d2a46f
sha256	788a93b311bd1f7f948c470ffc9f0c5ee45930f12914917403bbb5bbfd353141
sha512	5ff9798d17330c11cffb2eb9102be7969b685e15bc9fcff2620260593a9faed38e18c1546ddd020a7e58040aebc314b383d61c30aeca26fafda9c6d25eb86f51
ripemd-160	72e9c2c6485eee8e489a79bbff3b12020b8a2f39

20921489 as geometric shapes

Circle

Radius = n

Diameter	41842978
Circumference	131453592.28912
Area	1.3751024425436E+15

Sphere

Radius = n

Volume	3.8358920834067E+22
Surface area	5.5004097701746E+15
Circumference	131453592.28912

Square

Length = n

Perimeter	83685956
Area	437708701977121
Diagonal	29587453.48884

Cube

Length = n

Surface area	2626252211862726
Volume	9.1575177936186E+21
Space diagonal	36237081.917993

Equilateral Triangle

Length = n

Perimeter	62764467
Area	1.8953342768485E+14
Altitude	18118540.958997

Triangular Pyramid

Length = n

Surface area	1.8953342768485E+14
Volume	1.079223821784E+21
Height	9862484.4962798