20081978 (number)

20081978 is an even 8-digits composite number following 20081977 and preceding 20081979. In scientific notation, it is written as 2.0081978 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 8309616 positive integers (up to 20081978) that are relatively prime to 20081978.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0081978 × 10^7
Engineering notation 2.0081978 × 10^6

Prime Factorization of 20081978

Prime Factorization 2 × 7 × 29 × 49463

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20081978
Product of the distinct prime numbers

The prime factorization of 20081978 is 2 × 7 × 29 × 49463. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 57, 54, 9, 854, 2509, 5077, 6368, 61113, 863896, 389822, 1180000, 4731141, 28364254, 71078878, 365579572, 254986130, 9330798740, 561510759

Basic calculations (n = 20081978)

Multiplication

n×y
n×2 40163956
n×3 60245934
n×4 80327912
n×5 100409890

Division

n÷y
n÷2 10040989
n÷3 6693992.6666667
n÷3 5020494.5
n÷5 4016395.6

Exponentiation

ny
n2 403285840392484
n3 8.0987773744734E+21
n4 1.6263946906107E+29
n5 3.2661222396161E+36

Nth Root

y√n
2√n 4481.2920011979
3√n 271.81212696831
4√n 66.94245290694
5√n 28.877613361789

Divisors of 20081978

1, 2, 7, 14, 29, 58, 203, 406, 49463, 98926, 346241, 692482, 1434427, 2868854, 10040989, 20081978

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 -20081977
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 20081978 can be divided by 16 positive divisors. The sum of these divisors (counting 20081978) is 1, the average is 0.0625.

Base conversion 20081978

Base System Value
2 Binary 1001100100110110100111010
3 Ternary 1101210021021222
4 Quaternary 1030212310322
5 Quinary 20120110403
6 Senary 1554232042
8 Octal 114466472
10 Decimal 20081978
12 Duodecimal 6885622
16 Hexadecimal 1326d3a
20 Vigesimal 65a4ii
36 Base36 byfcq

Cryptographic Hash Functions

md5 7de80920f2bffc7a92ac2dcf3a134d8a
sha1 c27a16353223ed8bec2069a3bc1a92e103de1830
sha256 5ef75777ce78b94a7277f40aeb8ade40e36b0ba6c1eb7894b441715c375ceb4a
sha512 5f731c1574e770b059ea7744b746f53f267739c3497606bd0d931b90398557a9383721de2d3b08ec91bf7ee947489f98b8970c1a05b90a90e254f2dd80243047
ripemd-160 8861940e73cce388de022853b13a3d3436e56259

20081978 as geometric shapes

Circle

Radius = n
Diameter 40163956
Circumference 126178789.1087
Area 1.2669598334738E+15

Sphere

Radius = n
Volume 3.392407933694E+22
Surface area 5.0678393338953E+15
Circumference 126178789.1087

Square

Length = n
Perimeter 80327912
Area 403285840392484
Diagonal 28400205.646878

Cube

Length = n
Surface area 2419715042354904
Volume 8.0987773744734E+21
Space diagonal 34783006.21248

Equilateral Triangle

Length = n
Perimeter 60245934
Area 1.7462789138322E+14
Altitude 17391503.10624

Triangular Pyramid

Length = n
Surface area 1.7462789138322E+14
Volume 9.5445006680172E+20
Height 9466735.215626