20010991 (number)

20010991 is an odd 8-digits composite number following 20010990 and preceding 20010992. In scientific notation, it is written as 2.0010991 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 14392800 positive integers (up to 20010991) that are relatively prime to 20010991.

Interesting facts

Basic properties

Name

Name twenty million ten thousand nine hundred ninety-one

Notation

Scientific notation 2.0010991 × 10^7
Engineering notation 2.0010991 × 10^6

Prime Factorization of 20010991

Prime Factorization 91 × 11 × 19991

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20010991
Product of the distinct prime numbers

The prime factorization of 20010991 is 91 × 11 × 19991. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20010991)

Multiplication

n×y
n×2 40021982
n×3 60032973
n×4 80043964
n×5 100054955

Division

n÷y
n÷2 10005495.5
n÷3 6670330.3333333
n÷3 5002747.75
n÷5 4002198.2

Exponentiation

ny
n2 400439760802081
n3 8.0131964494526E+21
n4 1.6035200203123E+29
n5 3.2088024694789E+36

Nth Root

y√n
2√n 4473.3646173769
3√n 271.49147616044
4√n 66.88321626071
5√n 28.857168764183

Divisors of 20010991

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20010990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20010991 can be divided by 8 positive divisors. The sum of these divisors (counting 20010991) is 1, the average is 0.125.

Base conversion 20010991

Base System Value
2 Binary 1001100010101011111101111
3 Ternary 1101122122220211
4 Quaternary 1030111133233
5 Quinary 20110322431
6 Senary 1552523251
8 Octal 114253757
10 Decimal 20010991
12 Duodecimal 6850527
16 Hexadecimal 13157ef
20 Vigesimal 65179b
36 Base36 bwwkv

Cryptographic Hash Functions

md5 afefa021069e96ef728e576179aea856
sha1 751f027f3437a203fb2eed2de68040cd7bfa42f0
sha256 89538c2a6d8a337fc35fc0836019b9e1e514bd64f885f3b6b3ed7018a23f2ff8
sha512 8cb9ba59bccb60d53d80ee991a8349c8355ab20c22e84a368c8eabb844748a925cfa41f97d3a5ef51a034aa638bfbd91eda18b4bb55aa3dd7bd30b4b6b03ac96
ripemd-160 06e0fb8ca51f63c1475ce0ca1157020dd96454a8

20010991 as geometric shapes

Circle

Radius = n
Diameter 40021982
Circumference 125732764.6333
Area 1.2580186107411E+15

Sphere

Radius = n
Volume 3.3565598796496E+22
Surface area 5.0320744429643E+15
Circumference 125732764.6333

Square

Length = n
Perimeter 80043964
Area 400439760802081
Diagonal 28299814.868726

Cube

Length = n
Surface area 2402638564812486
Volume 8.0131964494526E+21
Space diagonal 34660053.121804

Equilateral Triangle

Length = n
Perimeter 60032973
Area 1.7339550276998E+14
Altitude 17330026.560902

Triangular Pyramid

Length = n
Surface area 1.7339550276998E+14
Volume 9.4436425806465E+20
Height 9433271.6229086