20921290 (number)

20921290 is an even 8-digits composite number following 20921289 and preceding 20921291. In scientific notation, it is written as 2.0921290 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 7724736 positive integers (up to 20921290) that are relatively prime to 20921290.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand two hundred ninety

Notation

Scientific notation 2.0921290 × 10^7
Engineering notation 2.0921290 × 10^6

Prime Factorization of 20921290

Prime Factorization 2 × 5 × 13 × 160933

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20921290
Product of the distinct prime numbers

The prime factorization of 20921290 is 2 × 5 × 13 × 160933. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 90, 7, 451, 766, 1854, 779, 8625, 28389, 536340, 529290, 144799, 2197583, 91964540, 58062928, 511619114, 125207297, 3629537404, 3076836230

Basic calculations (n = 20921290)

Multiplication

n×y
n×2 41842580
n×3 62763870
n×4 83685160
n×5 104606450

Division

n÷y
n÷2 10460645
n÷3 6973763.3333333
n÷3 5230322.5
n÷5 4184258

Exponentiation

ny
n2 437700375264100
n3 9.1572564840091E+21
n4 1.9158161850633E+29
n5 4.0081345994404E+36

Nth Root

y√n
2√n 4573.9796676417
3√n 275.5472957428
4√n 67.63120335793
5√n 29.115060165012

Divisors of 20921290

1, 2, 5, 10, 13, 26, 65, 130, 160933, 321866, 804665, 1609330, 2092129, 4184258, 10460645, 20921290

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921289
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921290 can be divided by 16 positive divisors. The sum of these divisors (counting 20921290) is 1, the average is 0.0625.

Base conversion 20921290

Base System Value
2 Binary 1001111110011101111001010
3 Ternary 1110100220121121
4 Quaternary 1033303233022
5 Quinary 20323440130
6 Senary 2024225454
8 Octal 117635712
10 Decimal 20921290
12 Duodecimal 700b28a
16 Hexadecimal 13f3bca
20 Vigesimal 6af34a
36 Base36 cgeyy

Cryptographic Hash Functions

md5 e82c8cc94dc7b4dde8397cd0553d3206
sha1 4126b52525ccbbcafe75faf8785e57e6a87e9543
sha256 d7f0a3c1541cd982efe73e6667079336905d1bbc915172e6c70098e0f8a0af00
sha512 8585cdad00dd5475ce321d1c11f10060094f903689ce285bab16ee04396115f56487a84cf672f663e76ae3e309d2cec66824240c92b2d3d7b1ebe0cb9ff1c459
ripemd-160 7cd137da70a01e45c64585fd1d1fb17d00b6353a

20921290 as geometric shapes

Circle

Radius = n
Diameter 41842580
Circumference 131452341.93524
Area 1.3750762834032E+15

Sphere

Radius = n
Volume 3.8357826262934E+22
Surface area 5.5003051336128E+15
Circumference 131452341.93524

Square

Length = n
Perimeter 83685160
Area 437700375264100
Diagonal 29587172.060341

Cube

Length = n
Surface area 2626202251584600
Volume 9.1572564840091E+21
Space diagonal 36236737.239883

Equilateral Triangle

Length = n
Perimeter 62763870
Area 1.8952982211235E+14
Altitude 18118368.619941

Triangular Pyramid

Length = n
Surface area 1.8952982211235E+14
Volume 1.0791930261512E+21
Height 9862390.6867802