81109898 (number)

81109898 is an even 8-digits composite number following 81109897 and preceding 81109899. In scientific notation, it is written as 8.1109898 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 38420460 positive integers (up to 81109898) that are relatively prime to 81109898.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1109898 × 10^7
Engineering notation 8.1109898 × 10^6

Prime Factorization of 81109898

Prime Factorization 2 × 19 × 2134471

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81109898
Product of the distinct prime numbers

The prime factorization of 81109898 is 2 × 19 × 2134471. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81109898)

Multiplication

n×y
n×2 162219796
n×3 243329694
n×4 324439592
n×5 405549490

Division

n÷y
n÷2 40554949
n÷3 27036632.666667
n÷3 20277474.5
n÷5 16221979.6

Exponentiation

ny
n2 6578815553570404
n3 5.3360705851091E+23
n4 4.32808140879E+31
n5 3.5105024160265E+39

Nth Root

y√n
2√n 9006.1033749341
3√n 432.87046209798
4√n 94.900491963604
5√n 38.178140427347

Divisors of 81109898

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 -81109897
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 81109898 can be divided by 8 positive divisors. The sum of these divisors (counting 81109898) is 1, the average is 0.125.

Base conversion 81109898

Base System Value
2 Binary 100110101011010001110001010
3 Ternary 12122121210212022
4 Quaternary 10311122032022
5 Quinary 131231004043
6 Senary 12014244442
8 Octal 465321612
10 Decimal 81109898
12 Duodecimal 231b6722
16 Hexadecimal 4d5a38a
20 Vigesimal 156ieei
36 Base36 1cagsq

Cryptographic Hash Functions

md5 2b0f3d99ea7e548480cb8bb2310cf352
sha1 46768b6bec2d5c859952829003c5b63ade2414db
sha256 0c638a59fef0f29db8b20b21562feb3cf8ff1198936e937cdb4533eed6e6a434
sha512 116c0063148c3837f84e023f35049dbfb854fcf43dd9a21fb89434b4c677dc67dd99892c3eb8e9fe5e9ed2deb0f04a39e9a05b7030479f07b968613adb00bf4a
ripemd-160 08a35f30ee7ce86985b5ed4f78dee4c32d7edf66

81109898 as geometric shapes

Circle

Radius = n
Diameter 162219796
Circumference 509628519.38043
Area 2.0667958612419E+16

Sphere

Radius = n
Volume 2.2351680198954E+24
Surface area 8.2671834449676E+16
Circumference 509628519.38043

Square

Length = n
Perimeter 324439592
Area 6578815553570404
Diagonal 114706717.7943

Cube

Length = n
Surface area 39472893321422424
Volume 5.3360705851091E+23
Space diagonal 140486464.33273

Equilateral Triangle

Length = n
Perimeter 243329694
Area 2.8487106981021E+15
Altitude 70243232.166365

Triangular Pyramid

Length = n
Surface area 2.8487106981021E+15
Volume 6.2886194927012E+22
Height 38235572.598099