20011978 (number)

20011978 is an even 8-digits composite number following 20011977 and preceding 20011979. In scientific notation, it is written as 2.0011978 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors. There are 7769520 positive integers (up to 20011978) that are relatively prime to 20011978.

Interesting facts

Basic properties

Name

Name twenty million eleven thousand nine hundred seventy-eight

Notation

Scientific notation 2.0011978 × 10^7
Engineering notation 2.0011978 × 10^6

Prime Factorization of 20011978

Prime Factorization 2 × 7 × 19 × 23 × 3271

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20011978
Product of the distinct prime numbers

The prime factorization of 20011978 is 2 × 7 × 19 × 23 × 3271. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 6, 42, 76, 624, 3, 5983, 670, 22408, 1276, 772959, 642421, 2657616, 4437684, 87296635, 67832148, 302384959, 319561574, 8809566547, 2081639615

Basic calculations (n = 20011978)

Multiplication

n×y
n×2 40023956
n×3 60035934
n×4 80047912
n×5 100059890

Division

n÷y
n÷2 10005989
n÷3 6670659.3333333
n÷3 5002994.5
n÷5 4002395.6

Exponentiation

ny
n2 400479263472484
n3 8.0143822100676E+21
n4 1.6038364047146E+29
n5 3.2095938846748E+36

Nth Root

y√n
2√n 4473.4749356624
3√n 271.49593966888
4√n 66.884040963913
5√n 28.857453422385

Divisors of 20011978

1, 2, 7, 14, 19, 23, 38, 46, 133, 161, 266, 322, 437, 874, 3059, 3271, 6118, 6542, 22897, 45794, 62149, 75233, 124298, 150466, 435043, 526631, 870086, 1053262, 1429427, 2858854, 10005989, 20011978

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20011977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20011978 can be divided by 32 positive divisors. The sum of these divisors (counting 20011978) is 1, the average is 0.03125.

Base conversion 20011978

Base System Value
2 Binary 1001100010101101111001010
3 Ternary 1101122201021101
4 Quaternary 1030111233022
5 Quinary 20110340403
6 Senary 1552532014
8 Octal 114255712
10 Decimal 20011978
12 Duodecimal 685100a
16 Hexadecimal 1315bca
20 Vigesimal 6519ii
36 Base36 bwxca

Cryptographic Hash Functions

md5 f9da0e6b79b60fb0a496e32b4b8b599f
sha1 96f63e901faf0ea4bc749d08575b6cc6ed700b51
sha256 be9ca248670423c2047aaf23077cbd6e55583b7d918a12c6a1bd97a31bafc78d
sha512 5fed369d167d3fb9f030c89f7d364d79261933ecd28dccadb93785b35bccb21d823e345422646a8dac7cffb777c689107c57d32aaca28139fd7b681f6556daf3
ripemd-160 040d7892c2cee9ead03924ffb01eb5f4aa2d3f6e

20011978 as geometric shapes

Circle

Radius = n
Diameter 40023956
Circumference 125738966.1372
Area 1.2581427120402E+15

Sphere

Radius = n
Volume 3.3570565698945E+22
Surface area 5.0325708481608E+15
Circumference 125738966.1372

Square

Length = n
Perimeter 80047912
Area 400479263472484
Diagonal 28301210.697512

Cube

Length = n
Surface area 2402875580834904
Volume 8.0143822100676E+21
Space diagonal 34661762.655951

Equilateral Triangle

Length = n
Perimeter 60035934
Area 1.7341260792803E+14
Altitude 17330881.327975

Triangular Pyramid

Length = n
Surface area 1.7341260792803E+14
Volume 9.4450400129327E+20
Height 9433736.8991707