20778988 (number)

20778988 is an even 8-digits composite number following 20778987 and preceding 20778989. In scientific notation, it is written as 2.0778988 × 10^7. The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors. There are 10355040 positive integers (up to 20778988) that are relatively prime to 20778988.

Interesting facts

Basic properties

Name

Name twenty million seven hundred seventy-eight thousand nine hundred eighty-eight

Notation

Scientific notation 2.0778988 × 10^7
Engineering notation 2.0778988 × 10^6

Prime Factorization of 20778988

Prime Factorization 2 × 2 × 307 × 16921

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10389494
Product of the distinct prime numbers

The prime factorization of 20778988 is 2 × 2 × 307 × 16921. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 5, 66, 790, 742, 2311, 5782, 99336, 37026, 107274, 390121, 3547167, 2758292, 80487515, 53380697, 545077153, 345947894, 9263113542, 710795951

Basic calculations (n = 20778988)

Multiplication

n×y
n×2 41557976
n×3 62336964
n×4 83115952
n×5 103894940

Division

n÷y
n÷2 10389494
n÷3 6926329.3333333
n÷3 5194747
n÷5 4155797.6

Exponentiation

ny
n2 431766342304144
n3 8.9716676455417E+21
n4 1.864221743467E+29
n5 3.873664123684E+36

Nth Root

y√n
2√n 4558.3975254469
3√n 274.92113661469
4√n 67.515905721888
5√n 29.075345120857

Divisors of 20778988

1, 2, 4, 307, 614, 1228, 16921, 33842, 67684, 5194747, 10389494, 20778988

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20778987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20778988 can be divided by 12 positive divisors. The sum of these divisors (counting 20778988) is 1, the average is 0.083333333333333.

Base conversion 20778988

Base System Value
2 Binary 1001111010000111111101100
3 Ternary 1110002200102011
4 Quaternary 1033100333230
5 Quinary 20304411423
6 Senary 2021211004
8 Octal 117207754
10 Decimal 20778988
12 Duodecimal 6b60a64
16 Hexadecimal 13d0fec
20 Vigesimal 69h798
36 Base36 cdd64

Cryptographic Hash Functions

md5 d6d76c04c349c57eb828e3b34f85f92d
sha1 afa44ff5906ba830173a38f9e85f61ddea9080fe
sha256 69948151016208072d77b6eb9b3ff77ef6f8e290b791ba789d183ddcf5fe58f0
sha512 e2a40345d4a7dd2a76bd00afa6140d001bd59bc3032271d24785b9da216f2123076d3bc4054508000e5305375926485564793ce93724734f1a833c56bbb37f19
ripemd-160 696dececcee6cbdb0f6cd65561ab106c3d64aa97

20778988 as geometric shapes

Circle

Radius = n
Diameter 41557976
Circumference 130558232.09966
Area 1.35643396905E+15

Sphere

Radius = n
Volume 3.7580433554244E+22
Surface area 5.4257358762001E+15
Circumference 130558232.09966

Square

Length = n
Perimeter 83115952
Area 431766342304144
Diagonal 29385926.641988

Cube

Length = n
Surface area 2590598053824864
Volume 8.9716676455417E+21
Space diagonal 35990262.945864

Equilateral Triangle

Length = n
Perimeter 62336964
Area 1.8696031046724E+14
Altitude 17995131.472932

Triangular Pyramid

Length = n
Surface area 1.8696031046724E+14
Volume 1.0573211717857E+21
Height 9795308.8806626