20170981 (number)

20170981 is an odd 8-digits composite number following 20170980 and preceding 20170982. In scientific notation, it is written as 2.0170981 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20141100 positive integers (up to 20170981) that are relatively prime to 20170981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0170981 × 10^7
Engineering notation 2.0170981 × 10^6

Prime Factorization of 20170981

Prime Factorization 691 × 29191

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20170981
Product of the distinct prime numbers

The prime factorization of 20170981 is 691 × 29191. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20170981)

Multiplication

n×y
n×2 40341962
n×3 60512943
n×4 80683924
n×5 100854905

Division

n÷y
n÷2 10085490.5
n÷3 6723660.3333333
n÷3 5042745.25
n÷5 4034196.2

Exponentiation

ny
n2 406868474502361
n3 8.2069362686861E+21
n4 1.6554195554388E+29
n5 3.3391436399784E+36

Nth Root

y√n
2√n 4491.2115291979
3√n 272.21309083782
4√n 67.016501917049
5√n 28.903165126434

Divisors of 20170981

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20170980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20170981 can be divided by 4 positive divisors. The sum of these divisors (counting 20170981) is 1, the average is 0.25.

Base conversion 20170981

Base System Value
2 Binary 1001100111100100011100101
3 Ternary 1101221210101101
4 Quaternary 1030330203211
5 Quinary 20130432411
6 Senary 2000200101
8 Octal 114744345
10 Decimal 20170981
12 Duodecimal 6909031
16 Hexadecimal 133c8e5
20 Vigesimal 661791
36 Base36 c0c11

Cryptographic Hash Functions

md5 126f9efb6ea10ef4d13a4aa554c63156
sha1 e701e24138dc67df42f1c32057c3eaa35c31bc79
sha256 8cc3d4ea611d57367fa2e3a09abbacacff358e97f6bc9f3a111ea85719548d8b
sha512 241abe6c6acde0ecb26e35b7a267cb2400e997052a54bd81e17f236ae1ff39e3cfcfc6db9110441082137c844a325a8a7cff9ef5d5720cf919f468a8acf929d9
ripemd-160 c66e9e3b3d70e183bace70cf2424223e1fe061fe

20170981 as geometric shapes

Circle

Radius = n
Diameter 40341962
Circumference 126738011.4506
Area 1.2782150104739E+15

Sphere

Radius = n
Volume 3.4377134253579E+22
Surface area 5.1128600418956E+15
Circumference 126738011.4506

Square

Length = n
Perimeter 80683924
Area 406868474502361
Diagonal 28526074.89657

Cube

Length = n
Surface area 2441210847014166
Volume 8.2069362686861E+21
Space diagonal 34937163.930506

Equilateral Triangle

Length = n
Perimeter 60512943
Area 1.7617921745903E+14
Altitude 17468581.965253

Triangular Pyramid

Length = n
Surface area 1.7617921745903E+14
Volume 9.6719671472563E+20
Height 9508691.63219