20921901 (number)

20921901 is an odd 8-digits composite number following 20921900 and preceding 20921902. In scientific notation, it is written as 2.0921901 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 10031040 positive integers (up to 20921901) that are relatively prime to 20921901.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921901 × 10^7
Engineering notation 2.0921901 × 10^6

Prime Factorization of 20921901

Prime Factorization 91 × 3 × 11 × 6967

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20921901
Product of the distinct prime numbers

The prime factorization of 20921901 is 91 × 3 × 11 × 6967. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 3, 42, 69, 960, 241, 4381, 5422, 65307, 8058, 389361, 698866, 3756259, 6399016, 70386037, 49522065, 286449916, 865427596, 2076725005, 6669527601

Basic calculations (n = 20921901)

Multiplication

n×y
n×2 41843802
n×3 62765703
n×4 83687604
n×5 104609505

Division

n÷y
n÷2 10460950.5
n÷3 6973967
n÷3 5230475.25
n÷5 4184380.2

Exponentiation

ny
n2 437725941453801
n3 9.1580588122282E+21
n4 1.9160399982162E+29
n5 4.0087199154719E+36

Nth Root

y√n
2√n 4574.0464580063
3√n 275.54997814206
4√n 67.631697139775
5√n 29.115230222346

Divisors of 20921901

1, 3, 11, 33, 91, 273, 1001, 3003, 6967, 20901, 76637, 229911, 633997, 1901991, 6973967, 20921901

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 -20921900
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 20921901 can be divided by 16 positive divisors. The sum of these divisors (counting 20921901) is 1, the average is 0.0625.

Base conversion 20921901

Base System Value
2 Binary 1001111110011111000101101
3 Ternary 1110100221110020
4 Quaternary 1033303320231
5 Quinary 20324000101
6 Senary 2024232353
8 Octal 117637055
10 Decimal 20921901
12 Duodecimal 700b6b9
16 Hexadecimal 13f3e2d
20 Vigesimal 6af4f1
36 Base36 cgffx

Cryptographic Hash Functions

md5 8c6388afe8031f2bd43ca0c395d50088
sha1 0a348c2379b5b1fd8e5788f8dc9daa6dcfcfae56
sha256 3bca5b96a8a08e61835a6113edb1bbb6ce8886fea882f7c44094f39ab43c326d
sha512 af4f6c032877c51c87835a32f6479a49a2bd95e8187b3c80eceb60b645b940b50f996fb06b09a707031d58df49b80068d3617521692a9df366fc1563f47ca7bb
ripemd-160 3f5254fbe8bdda2f6ace46c4a085fec414dd4220

20921901 as geometric shapes

Circle

Radius = n
Diameter 41843802
Circumference 131456180.96147
Area 1.3751566019569E+15

Sphere

Radius = n
Volume 3.8361187047519E+22
Surface area 5.5006264078277E+15
Circumference 131456180.96147

Square

Length = n
Perimeter 83687604
Area 437725941453801
Diagonal 29588036.144827

Cube

Length = n
Surface area 2626355648722806
Volume 9.1580588122282E+21
Space diagonal 36237795.522926

Equilateral Triangle

Length = n
Perimeter 62765703
Area 1.8954089259723E+14
Altitude 18118897.761463

Triangular Pyramid

Length = n
Surface area 1.8954089259723E+14
Volume 1.0792875814386E+21
Height 9862678.7149424