20120991 (number)

20120991 is an odd 8-digits composite number following 20120990 and preceding 20120992. In scientific notation, it is written as 2.0120991 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 12096000 positive integers (up to 20120991) that are relatively prime to 20120991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0120991 × 10^7
Engineering notation 2.0120991 × 10^6

Prime Factorization of 20120991

Prime Factorization 3 × 11 × 127 × 4801

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20120991
Product of the distinct prime numbers

The prime factorization of 20120991 is 3 × 11 × 127 × 4801. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 44, 59, 52, 616, 3706, 6257, 86155, 54453, 966197, 109473, 6214325, 4156631, 21054801, 286661, 980323052, 655692778, 1703374034, 4126677476

Basic calculations (n = 20120991)

Multiplication

n×y
n×2 40241982
n×3 60362973
n×4 80483964
n×5 100604955

Division

n÷y
n÷2 10060495.5
n÷3 6706997
n÷3 5030247.75
n÷5 4024198.2

Exponentiation

ny
n2 404854278822081
n3 8.1460693004906E+21
n4 1.6390698708055E+29
n5 3.2979710118848E+36

Nth Root

y√n
2√n 4485.6427633061
3√n 271.9880284163
4√n 66.974941308717
5√n 28.888824686637

Divisors of 20120991

1, 3, 11, 33, 127, 381, 1397, 4191, 4801, 14403, 52811, 158433, 609727, 1829181, 6706997, 20120991

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 -20120990
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 20120991 can be divided by 16 positive divisors. The sum of these divisors (counting 20120991) is 1, the average is 0.0625.

Base conversion 20120991

Base System Value
2 Binary 1001100110000010110011111
3 Ternary 1101212020210220
4 Quaternary 1030300112133
5 Quinary 20122332431
6 Senary 1555132423
8 Octal 114602637
10 Decimal 20120991
12 Duodecimal 68a4113
16 Hexadecimal 133059f
20 Vigesimal 65f29b
36 Base36 bz9gf

Cryptographic Hash Functions

md5 56034d02801d288fe39f30c523e96398
sha1 8a56b3bbf0645e646ec25abddfa7fa52f49c0727
sha256 65c378fceb009947d10d68516b8b097594d01adc570fde3576650cdd7bcbafe6
sha512 b43cd43a4d1f371753e63081cef17bc61258b6360e938bad7dd03217dbb5cd531109ea18efccbd6c389ef82e0cd7b1802656870ffaddd163117209bb48d2d8bf
ripemd-160 7a276ed0643c78c0ef1297cf3333e661c9b70c0a

20120991 as geometric shapes

Circle

Radius = n
Diameter 40241982
Circumference 126423915.01709
Area 1.2718872281218E+15

Sphere

Radius = n
Volume 3.4122175293406E+22
Surface area 5.0875489124874E+15
Circumference 126423915.01709

Square

Length = n
Perimeter 80483964
Area 404854278822081
Diagonal 28455378.360587

Cube

Length = n
Surface area 2429125672932486
Volume 8.1460693004906E+21
Space diagonal 34850578.710636

Equilateral Triangle

Length = n
Perimeter 60362973
Area 1.7530704514538E+14
Altitude 17425289.355318

Triangular Pyramid

Length = n
Surface area 1.7530704514538E+14
Volume 9.6002347373207E+20
Height 9485126.1201957