20921835 (number)

20921835 is an odd 8-digits composite number following 20921834 and preceding 20921836. In scientific notation, it is written as 2.0921835 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 9377280 positive integers (up to 20921835) that are relatively prime to 20921835.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand eight hundred thirty-five

Notation

Scientific notation 2.0921835 × 10^7
Engineering notation 2.0921835 × 10^6

Prime Factorization of 20921835

Prime Factorization 15 × 23 × 11 × 37 × 149

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20921835
Product of the distinct prime numbers

The prime factorization of 20921835 is 15 × 23 × 11 × 37 × 149. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 9, 69, 60, 847, 362, 8675, 3324, 67735, 48281, 939165, 756689, 8506001, 3782801, 16613820, 72605993, 351462904, 891308248, 1365428795, 3396764923

Basic calculations (n = 20921835)

Multiplication

n×y
n×2 41843670
n×3 62765505
n×4 83687340
n×5 104609175

Division

n÷y
n÷2 10460917.5
n÷3 6973945
n÷3 5230458.75
n÷5 4184367

Exponentiation

ny
n2 437723179767225
n3 9.1579721427652E+21
n4 1.9160158210553E+29
n5 4.0086566865509E+36

Nth Root

y√n
2√n 4574.0392433822
3√n 275.54968839278
4√n 67.631643802159
5√n 29.115211853005

Divisors of 20921835

1, 11, 15, 23, 37, 149, 165, 253, 345, 407, 555, 851, 1639, 2235, 3427, 3795, 5513, 6105, 9361, 12765, 24585, 37697, 51405, 60643, 82695, 126799, 140415, 565455, 909645, 1394789, 1901985, 20921835

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921834
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921835 can be divided by 32 positive divisors. The sum of these divisors (counting 20921835) is 1, the average is 0.03125.

Base conversion 20921835

Base System Value
2 Binary 1001111110011110111101011
3 Ternary 1110100221100210
4 Quaternary 1033303313223
5 Quinary 20323444320
6 Senary 2024232203
8 Octal 117636753
10 Decimal 20921835
12 Duodecimal 700b663
16 Hexadecimal 13f3deb
20 Vigesimal 6af4bf
36 Base36 cgfe3

Cryptographic Hash Functions

md5 0746ea18fc1ee41e355f9eafc4b0a7df
sha1 69ce4d21dac9f73794627a0dedd6c5a816148504
sha256 1065f9ce3840bfc49aea8accce38862973cac4ecd3f996515f9d39cfb50e56b3
sha512 92559c7b809163ad698beb71c83d0c341bb58ab4806fc01627ca0111ea4e50a361eef873ab3041bb4e03d75ddc87ea9166e81475b1a095015746ce876cb07544
ripemd-160 519ef443d42b28b5af9256b73676d291ba6bc8a6

20921835 as geometric shapes

Circle

Radius = n
Diameter 41843670
Circumference 131455766.27124
Area 1.3751479258627E+15

Sphere

Radius = n
Volume 3.8360824007322E+22
Surface area 5.5005917034507E+15
Circumference 131455766.27124

Square

Length = n
Perimeter 83687340
Area 437723179767225
Diagonal 29587942.806732

Cube

Length = n
Surface area 2626339078603350
Volume 9.1579721427652E+21
Space diagonal 36237681.207573

Equilateral Triangle

Length = n
Perimeter 62765505
Area 1.8953969675186E+14
Altitude 18118840.603786

Triangular Pyramid

Length = n
Surface area 1.8953969675186E+14
Volume 1.0792773673445E+21
Height 9862647.602244