20697978 (number)

20697978 is an even 8-digits composite number following 20697977 and preceding 20697979. In scientific notation, it is written as 2.0697978 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 5895360 positive integers (up to 20697978) that are relatively prime to 20697978.

Interesting facts

Basic properties

Name

Name twenty million six hundred ninety-seven thousand nine hundred seventy-eight

Notation

Scientific notation 2.0697978 × 10^7
Engineering notation 2.0697978 × 10^6

Prime Factorization of 20697978

Prime Factorization 2 × 21 × 1069 × 461

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20697978
Product of the distinct prime numbers

The prime factorization of 20697978 is 2 × 21 × 1069 × 461. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 10, 73, 42, 160, 395, 9285, 8333, 42129, 62849, 165547, 941943, 5830194, 5281167, 71496195, 16695356, 95582813, 527602851, 3816171639, 706496995

Basic calculations (n = 20697978)

Multiplication

n×y
n×2 41395956
n×3 62093934
n×4 82791912
n×5 103489890

Division

n÷y
n÷2 10348989
n÷3 6899326
n÷3 5174494.5
n÷5 4139595.6

Exponentiation

ny
n2 428406293288484
n3 8.8671440335466E+21
n4 1.8353195212918E+29
n5 3.7987403074668E+36

Nth Root

y√n
2√n 4549.5030497847
3√n 274.56339755516
4√n 67.450004075498
5√n 29.052638765127

Divisors of 20697978

1, 2, 21, 42, 461, 922, 1069, 2138, 9681, 19362, 22449, 44898, 492809, 985618, 10348989, 20697978

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 -20697977
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 20697978 can be divided by 16 positive divisors. The sum of these divisors (counting 20697978) is 1, the average is 0.0625.

Base conversion 20697978

Base System Value
2 Binary 1001110111101001101111010
3 Ternary 1102221120021210
4 Quaternary 1032331031322
5 Quinary 20244313403
6 Senary 2015343550
8 Octal 116751572
10 Decimal 20697978
12 Duodecimal 6b21bb6
16 Hexadecimal 13bd37a
20 Vigesimal 6974ii
36 Base36 cbmnu

Cryptographic Hash Functions

md5 2a4d18e040bba7bdbb29471bb64eea7d
sha1 b927cb22352a9a3331e6c58ff56b70acdba08e24
sha256 cf18c96de382a80fadfde9df4f89606897f245baf543f224f395841b6ca2e651
sha512 ccddfa62f13a418f7c6a975660833f68f89868f85aee214c34cd396216d58489c447a165eb6c05f5e3ece311128c0c0a1b0680e282747591e67b9a2a8aec6ccf
ripemd-160 5d5dc50d4ecce87260461530ea2e8ad41755944d

20697978 as geometric shapes

Circle

Radius = n
Diameter 41395956
Circumference 130049231.25793
Area 1.3458780637467E+15

Sphere

Radius = n
Volume 3.714260607215E+22
Surface area 5.3835122549869E+15
Circumference 130049231.25793

Square

Length = n
Perimeter 82791912
Area 428406293288484
Diagonal 29271361.2013

Cube

Length = n
Surface area 2570437759730904
Volume 8.8671440335466E+21
Space diagonal 35849949.509943

Equilateral Triangle

Length = n
Perimeter 62093934
Area 1.8550536656448E+14
Altitude 17924974.754971

Triangular Pyramid

Length = n
Surface area 1.8550536656448E+14
Volume 1.0450029459798E+21
Height 9757120.4004333