20180988 (number)

20180988 is an even 8-digits composite number following 20180987 and preceding 20180989. In scientific notation, it is written as 2.0180988 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 6671808 positive integers (up to 20180988) that are relatively prime to 20180988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0180988 × 10^7
Engineering notation 2.0180988 × 10^6

Prime Factorization of 20180988

Prime Factorization 2 × 2 × 81 × 199 × 313

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10090494
Product of the distinct prime numbers

The prime factorization of 20180988 is 2 × 2 × 81 × 199 × 313. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 2, 37, 40, 353, 877, 5306, 7812, 16239, 32899, 283732, 645352, 4371524, 2836157, 26000410, 39576296, 270037277, 89975089, 875202717, 9322536767

Basic calculations (n = 20180988)

Multiplication

n×y
n×2 40361976
n×3 60542964
n×4 80723952
n×5 100904940

Division

n÷y
n÷2 10090494
n÷3 6726996
n÷3 5045247
n÷5 4036197.6

Exponentiation

ny
n2 407272276656144
n3 8.2191569279303E+21
n4 1.6587070733268E+29
n5 3.3474347542323E+36

Nth Root

y√n
2√n 4492.3254557078
3√n 272.25809916028
4√n 67.024812239258
5√n 28.906032380078

Divisors of 20180988

1, 2, 4, 81, 162, 199, 313, 324, 398, 626, 796, 1252, 16119, 25353, 32238, 50706, 62287, 64476, 101412, 124574, 249148, 5045247, 10090494, 20180988

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20180987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20180988 can be divided by 24 positive divisors. The sum of these divisors (counting 20180988) is 1, the average is 0.041666666666667.

Base conversion 20180988

Base System Value
2 Binary 1001100111110111111111100
3 Ternary 1101222022010000
4 Quaternary 1030332333330
5 Quinary 20131242423
6 Senary 2000314300
8 Octal 114767774
10 Decimal 20180988
12 Duodecimal 6912990
16 Hexadecimal 133effc
20 Vigesimal 662c98
36 Base36 c0jr0

Cryptographic Hash Functions

md5 de8d3f50beecd62e2ee0a85ffdabe504
sha1 4c7031bd67aec882f2ec14741bdde9d39555381c
sha256 82039936ca7264be28f564db98bb6380be9be654035533a15dcca6404cc2c86a
sha512 c7aa8c0b590d569a19d91cf2abab14a096c58a631a097276539bd3590818494c4bef9fac5ff518bd90bf60ea1515cc2cc1f81d881d49432dc084d168656a4e74
ripemd-160 0d4807ba802f3dd4d969f94571fad7339d617d61

20180988 as geometric shapes

Circle

Radius = n
Diameter 40361976
Circumference 126800887.28597
Area 1.2794835923537E+15

Sphere

Radius = n
Volume 3.4428324031317E+22
Surface area 5.1179343694149E+15
Circumference 126800887.28597

Square

Length = n
Perimeter 80723952
Area 407272276656144
Diagonal 28540226.931689

Cube

Length = n
Surface area 2443633659936864
Volume 8.2191569279303E+21
Space diagonal 34954496.562938

Equilateral Triangle

Length = n
Perimeter 60542964
Area 1.7635406892067E+14
Altitude 17477248.281469

Triangular Pyramid

Length = n
Surface area 1.7635406892067E+14
Volume 9.6863693322932E+20
Height 9513408.9772296