20991105 (number)

20991105 is an odd 8-digits composite number following 20991104 and preceding 20991106. In scientific notation, it is written as 2.0991105 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 10605600 positive integers (up to 20991105) that are relatively prime to 20991105.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0991105 × 10^7
Engineering notation 2.0991105 × 10^6

Prime Factorization of 20991105

Prime Factorization 9 × 5 × 19 × 24551

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20991105
Product of the distinct prime numbers

The prime factorization of 20991105 is 9 × 5 × 19 × 24551. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 54, 33, 828, 898, 4268, 6741, 13273, 3924, 111113, 209182, 9879947, 2338227, 66904986, 1690882, 849934634, 375957297, 5564198544, 4367128814

Basic calculations (n = 20991105)

Multiplication

n×y
n×2 41982210
n×3 62973315
n×4 83964420
n×5 104955525

Division

n÷y
n÷2 10495552.5
n÷3 6997035
n÷3 5247776.25
n÷5 4198221

Exponentiation

ny
n2 440626489121025
n3 9.2492368989208E+21
n4 1.9415170291512E+29
n5 4.0754587818201E+36

Nth Root

y√n
2√n 4581.6050680957
3√n 275.85345875515
4√n 67.687554750454
5√n 29.134465852851

Divisors of 20991105

1, 5, 9, 19, 45, 95, 171, 855, 24551, 122755, 220959, 466469, 1104795, 2332345, 4198221, 20991105

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 -20991104
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 20991105 can be divided by 16 positive divisors. The sum of these divisors (counting 20991105) is 1, the average is 0.0625.

Base conversion 20991105

Base System Value
2 Binary 1010000000100110010000001
3 Ternary 1110111110101100
4 Quaternary 1100010302001
5 Quinary 20333203410
6 Senary 2025525013
8 Octal 120046201
10 Decimal 20991105
12 Duodecimal 7043769
16 Hexadecimal 1404c81
20 Vigesimal 6b3hf5
36 Base36 chwu9

Cryptographic Hash Functions

md5 2cee526bf9375708ef1ce80710f6da84
sha1 762aa39a509ea0d054eb6c59b770b0ec32920371
sha256 cbda4c25beb9dc04d4340ed10961d2180b0e697bd42083d56ae25d22bfe19c5e
sha512 a013b33ddad08c3d60011b9728a235fde7b2fc172cca13bc48ff6ec11b999f731f0f79f2380cca1a508bfd39719e35f1d2c0114ce863cfc01676d5d7182dc183
ripemd-160 bc7e041e515f15eee1620789fb97bd5e3d31ae84

20991105 as geometric shapes

Circle

Radius = n
Diameter 41982210
Circumference 131891002.51746
Area 1.3842689411997E+15

Sphere

Radius = n
Volume 3.8743112923948E+22
Surface area 5.5370757647987E+15
Circumference 131891002.51746

Square

Length = n
Perimeter 83964420
Area 440626489121025
Diagonal 29685905.380198

Cube

Length = n
Surface area 2643758934726150
Volume 9.2492368989208E+21
Space diagonal 36357660.367013

Equilateral Triangle

Length = n
Perimeter 62973315
Area 1.9079686657958E+14
Altitude 18178830.183507

Triangular Pyramid

Length = n
Surface area 1.9079686657958E+14
Volume 1.0900330220046E+21
Height 9895301.7933992