20689991 (number)

20689991 is an odd 8-digits composite number following 20689990 and preceding 20689992. In scientific notation, it is written as 2.0689991 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 17330208 positive integers (up to 20689991) that are relatively prime to 20689991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0689991 × 10^7
Engineering notation 2.0689991 × 10^6

Prime Factorization of 20689991

Prime Factorization 7 × 239 × 83 × 149

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20689991
Product of the distinct prime numbers

The prime factorization of 20689991 is 7 × 239 × 83 × 149. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 71, 45, 542, 692, 3954, 5587, 72631, 17916, 351993, 748973, 6412416, 721531, 80720229, 8944383, 100477252, 288101482, 7110660736, 489928851

Basic calculations (n = 20689991)

Multiplication

n×y
n×2 41379982
n×3 62069973
n×4 82759964
n×5 103449955

Division

n÷y
n÷2 10344995.5
n÷3 6896663.6666667
n÷3 5172497.75
n÷5 4137998.2

Exponentiation

ny
n2 428075727580081
n3 8.8568829509503E+21
n4 1.8324882854322E+29
n5 3.7914166133197E+36

Nth Root

y√n
2√n 4548.6251769079
3√n 274.5280765528
4√n 67.443496179453
5√n 29.050396234472

Divisors of 20689991

1, 7, 83, 149, 239, 581, 1043, 1673, 12367, 19837, 35611, 86569, 138859, 249277, 2955713, 20689991

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 -20689990
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 20689991 can be divided by 16 positive divisors. The sum of these divisors (counting 20689991) is 1, the average is 0.0625.

Base conversion 20689991

Base System Value
2 Binary 1001110111011010001000111
3 Ternary 1102221011022222
4 Quaternary 1032323101013
5 Quinary 20244034431
6 Senary 2015242555
8 Octal 116732107
10 Decimal 20689991
12 Duodecimal 6b1945b
16 Hexadecimal 13bb447
20 Vigesimal 6964jb
36 Base36 cbghz

Cryptographic Hash Functions

md5 b0285e3927a4f53068c7a843abb636db
sha1 9cd310876ebae2e46f28c39b1d892163d8381886
sha256 f8195bba4e7e293d7a6e393229210cd67ac8dcc2007afc374bbe7278a10c5664
sha512 8f7c773cbe493dd8c9bfc25d3df9d7adb054d7a1d2157a67da57a8ba2ad8ca930fe64a836cf72965174bc34253e9a59e1119bf2b1549fc801797c48efb7ff126
ripemd-160 7696139ca05c31b9890c9d7ff329fd392d465aae

20689991 as geometric shapes

Circle

Radius = n
Diameter 41379982
Circumference 129999047.45688
Area 1.3448395609457E+15

Sphere

Radius = n
Volume 3.709962454988E+22
Surface area 5.3793582437828E+15
Circumference 129999047.45688

Square

Length = n
Perimeter 82759964
Area 428075727580081
Diagonal 29260065.877577

Cube

Length = n
Surface area 2568454365480486
Volume 8.8568829509503E+21
Space diagonal 35836115.620143

Equilateral Triangle

Length = n
Perimeter 62069973
Area 1.8536222741393E+14
Altitude 17918057.810071

Triangular Pyramid

Length = n
Surface area 1.8536222741393E+14
Volume 1.0437936657987E+21
Height 9753355.2925258