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

20128949 (number)

20128949 is an odd 8-digits composite number following 20128948 and preceding 20128950. In scientific notation, it is written as 2.0128949 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 20103840 positive integers (up to 20128949) that are relatively prime to 20128949.

Interesting facts

20128949 has 4 divisors, whose sum is 20154060
The reverse of 20128949 is 94982102
Previous prime number is 829

Basic properties

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

Name

Name	twenty million one hundred twenty-eight thousand nine hundred forty-nine

Notation

Scientific notation	2.0128949 × 10^7
Engineering notation	2.0128949 × 10^6

Prime Factorization of 20128949

Prime Factorization 829 × 24281

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20128949	Product of the distinct prime numbers

The prime factorization of 20128949 is 829 × 24281. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 5, 93, 62, 923, 171, 8591, 8527, 69107, 32304, 655624, 257628, 5300206, 4800231, 86864695, 13799319, 713403195, 788957828, 443888687, 8477112719

Basic calculations (n = 20128949)

Multiplication

n×y

n×2	40257898
n×3	60386847
n×4	80515796
n×5	100644745

Division

n÷y

n÷2	10064474.5
n÷3	6709649.6666667
n÷3	5032237.25
n÷5	4025789.8

Exponentiation

n^y

n²	405174587844601
n³	8.15573861482E+21
n⁴	1.6416644663504E+29
n⁵	3.304498031828E+36

Nth Root

^y√n

²√n	4486.5297279746
³√n	272.02388144555
⁴√n	66.98156259729
⁵√n	28.891109473754

Divisors of 20128949

1, 829, 24281, 20128949

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	-20128948	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 20128949 can be divided by 4 positive divisors. The sum of these divisors (counting 20128949) is 1, the average is 0.25.

Base conversion 20128949

Base	System	Value
2	Binary	1001100110010010010110101
3	Ternary	1101212122201122
4	Quaternary	1030302102311
5	Quinary	20123111244
6	Senary	1555233325
8	Octal	114622265
10	Decimal	20128949
12	Duodecimal	68a8845
16	Hexadecimal	13324b5
20	Vigesimal	65g279
36	Base36	bzflh

Cryptographic Hash Functions

md5	7ee1c0ce170f6dfb2c0aa23351e33f55
sha1	557ad1f5ced004fcbd463968ef1aee2a05e1b4c6
sha256	3435e716cfd89ea2cdca76b30e7329cb405f32f857b6eb106f478cd6d2cdc755
sha512	8219fc4db7d2cc7d7471a433643e6e359874937bb94e7b07419361e488fd7b96853e8d6d792e63d29d3c04cf8a970c2256e6672ec6f47da6d073631da29191f9
ripemd-160	bf2431e7581d7e17cf201936a1c4568ec1c2eac1

20128949 as geometric shapes

Circle

Radius = n

Diameter	40257898
Circumference	126473916.60577
Area	1.2728935085939E+15

Sphere

Radius = n

Volume	3.4162678022556E+22
Surface area	5.0915740343755E+15
Circumference	126473916.60577

Square

Length = n

Perimeter	80515796
Area	405174587844601
Diagonal	28466632.672116

Cube

Length = n

Surface area	2431047527067606
Volume	8.15573861482E+21
Space diagonal	34864362.370963

Equilateral Triangle

Length = n

Perimeter	60386847
Area	1.7544574302066E+14
Altitude	17432181.185481

Triangular Pyramid

Length = n

Surface area	1.7544574302066E+14
Volume	9.6116301335403E+20
Height	9488877.5573721