20689968 (number)

20689968 is an even 8-digits composite number following 20689967 and preceding 20689969. In scientific notation, it is written as 2.0689968 × 10^7. The sum of its digits is 48. It has a total of 8 prime factors and 80 positive divisors. There are 6263040 positive integers (up to 20689968) that are relatively prime to 20689968.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-nine thousand nine hundred sixty-eight

Notation

Scientific notation 2.0689968 × 10^7
Engineering notation 2.0689968 × 10^6

Prime Factorization of 20689968

Prime Factorization 2 × 2 × 2 × 2 × 3 × 13 × 71 × 467

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2586246
Product of the distinct prime numbers

The prime factorization of 20689968 is 2 × 2 × 2 × 2 × 3 × 13 × 71 × 467. Since it has a total of 8 prime factors.

Most popular turbo-numbers

8, 3, 54, 50, 450, 998, 6619, 3040, 9715, 3213, 472571, 698041, 7479874, 2073045, 94289301, 18112648, 241487525, 648912741, 6414999873, 6378374274

Basic calculations (n = 20689968)

Multiplication

n×y
n×2 41379936
n×3 62069904
n×4 82759872
n×5 103449840

Division

n÷y
n÷2 10344984
n÷3 6896656
n÷3 5172492
n÷5 4137993.6

Exponentiation

ny
n2 428074775841024
n3 8.856853413758E+21
n4 1.8324801371134E+29
n5 3.7913955397512E+36

Nth Root

y√n
2√n 4548.6226486707
3√n 274.52797482651
4√n 67.443477436077
5√n 29.050389775703

Divisors of 20689968

1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 71, 78, 104, 142, 156, 208, 213, 284, 312, 426, 467, 568, 624, 852, 923, 934, 1136, 1401, 1704, 1846, 1868, 2769, 2802, 3408, 3692, 3736, 5538, 5604, 6071, 7384, 7472, 11076, 11208, 12142, 14768, 18213, 22152, 22416, 24284, 33157, 36426, 44304, 48568, 66314, 72852, 97136, 99471, 132628, 145704, 198942, 265256, 291408, 397884, 431041, 530512, 795768, 862082, 1293123, 1591536, 1724164, 2586246, 3448328, 5172492, 6896656, 10344984, 20689968

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20689967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20689968 can be divided by 80 positive divisors. The sum of these divisors (counting 20689968) is 1, the average is 0.0125.

Base conversion 20689968

Base System Value
2 Binary 1001110111011010000110000
3 Ternary 1102221011022010
4 Quaternary 1032323100300
5 Quinary 20244034333
6 Senary 2015242520
8 Octal 116732060
10 Decimal 20689968
12 Duodecimal 6b19440
16 Hexadecimal 13bb430
20 Vigesimal 6964i8
36 Base36 cbghc

Cryptographic Hash Functions

md5 32aef57d8ee35ee59de7cc085885db15
sha1 a5b7b00d9f916e23cbe35302825e2ba60eea5422
sha256 1d9e55d1be525e39c4703092f0771519a55f5deff20274f26db2ba23190ae109
sha512 1ed08d5746463f7f29ad6a008560e3decaf01e2fb46b6d4517ec7e6d6a372d1e4ca462c4458ad073154719860ed1d08e690a0a9b5d6a6791019c4f8d858e062b
ripemd-160 466cd0a02d08601400e9cd8b78e5205c32d7a171

20689968 as geometric shapes

Circle

Radius = n
Diameter 41379936
Circumference 129998902.94362
Area 1.3448365709693E+15

Sphere

Radius = n
Volume 3.7099500824778E+22
Surface area 5.379346283877E+15
Circumference 129998902.94362

Square

Length = n
Perimeter 82759872
Area 428074775841024
Diagonal 29260033.350665

Cube

Length = n
Surface area 2568448655046144
Volume 8.856853413758E+21
Space diagonal 35836075.782974

Equilateral Triangle

Length = n
Perimeter 62069904
Area 1.8536181529883E+14
Altitude 17918037.891487

Triangular Pyramid

Length = n
Surface area 1.8536181529883E+14
Volume 1.0437901848072E+21
Height 9753344.4502218