20077981 (number)

20077981 is an odd 8-digits composite number following 20077980 and preceding 20077982. In scientific notation, it is written as 2.0077981 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 15645120 positive integers (up to 20077981) that are relatively prime to 20077981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0077981 × 10^7
Engineering notation 2.0077981 × 10^6

Prime Factorization of 20077981

Prime Factorization 7 × 11 × 260753

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20077981
Product of the distinct prime numbers

The prime factorization of 20077981 is 7 × 11 × 260753. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20077981)

Multiplication

n×y
n×2 40155962
n×3 60233943
n×4 80311924
n×5 100389905

Division

n÷y
n÷2 10038990.5
n÷3 6692660.3333333
n÷3 5019495.25
n÷5 4015596.2

Exponentiation

ny
n2 403125321036361
n3 8.093942536387E+21
n4 1.6251002446067E+29
n5 3.2628731834308E+36

Nth Root

y√n
2√n 4480.8460138684
3√n 271.7940924706
4√n 66.93912169926
5√n 28.876463743847

Divisors of 20077981

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20077980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20077981 can be divided by 8 positive divisors. The sum of these divisors (counting 20077981) is 1, the average is 0.125.

Base conversion 20077981

Base System Value
2 Binary 1001100100101110110011101
3 Ternary 1101210001210221
4 Quaternary 1030211312131
5 Quinary 20114443411
6 Senary 1554201341
8 Octal 114456635
10 Decimal 20077981
12 Duodecimal 6883251
16 Hexadecimal 1325d9d
20 Vigesimal 659ej1
36 Base36 byc9p

Cryptographic Hash Functions

md5 13433359f2a1ec9624ce01626e987b53
sha1 53b6cc0f71745d5123f0ad8836c2b608246b4142
sha256 cb75fe7ec6f22a4c34c5e8601ebf989e021c4ac4301c8c676b48cf122bc79410
sha512 560d079658db4cbb00292f69dd6650ef3b6769932d4a9a689cb4b9cc4b7fdf0cafe3ec95de9c99816faeb4d86ff4b6a4b690fe300b97573b14c323f9b8afa792
ripemd-160 0afc849b7b12804583067ae78d319471d4721297

20077981 as geometric shapes

Circle

Radius = n
Diameter 40155962
Circumference 126153675.21703
Area 1.2664555470439E+15

Sphere

Radius = n
Volume 3.3903827214522E+22
Surface area 5.0658221881754E+15
Circumference 126153675.21703

Square

Length = n
Perimeter 80311924
Area 403125321036361
Diagonal 28394553.035269

Cube

Length = n
Surface area 2418751926218166
Volume 8.093942536387E+21
Space diagonal 34776083.205403

Equilateral Triangle

Length = n
Perimeter 60233943
Area 1.7455838446312E+14
Altitude 17388041.602701

Triangular Pyramid

Length = n
Surface area 1.7455838446312E+14
Volume 9.5388027566891E+20
Height 9464851.0117564