81102371 (number)

81102371 is an odd 8-digits composite number following 81102370 and preceding 81102372. In scientific notation, it is written as 8.1102371 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 68678280 positive integers (up to 81102371) that are relatively prime to 81102371.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred two thousand three hundred seventy-one

Notation

Scientific notation 8.1102371 × 10^7
Engineering notation 8.1102371 × 10^6

Prime Factorization of 81102371

Prime Factorization 7 × 83 × 139591

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81102371
Product of the distinct prime numbers

The prime factorization of 81102371 is 7 × 83 × 139591. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81102371)

Multiplication

n×y
n×2 162204742
n×3 243307113
n×4 324409484
n×5 405511855

Division

n÷y
n÷2 40551185.5
n÷3 27034123.666667
n÷3 20275592.75
n÷5 16220474.2

Exponentiation

ny
n2 6577594581821641
n3 5.3345851606249E+23
n4 4.3264750482809E+31
n5 3.5088738448792E+39

Nth Root

y√n
2√n 9005.6854819608
3√n 432.85707155486
4√n 94.898290195139
5√n 38.177431814618

Divisors of 81102371

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 -81102370
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 81102371 can be divided by 8 positive divisors. The sum of these divisors (counting 81102371) is 1, the average is 0.125.

Base conversion 81102371

Base System Value
2 Binary 100110101011000011000100011
3 Ternary 12122121102112112
4 Quaternary 10311120120203
5 Quinary 131230233441
6 Senary 12014145535
8 Octal 465303043
10 Decimal 81102371
12 Duodecimal 231b22ab
16 Hexadecimal 4d58623
20 Vigesimal 156hfib
36 Base36 1caazn

Cryptographic Hash Functions

md5 b90d68b9193c62c23dbdb0a2de636fa3
sha1 1451c18ddb62b0bc2879e9c41e33788c2e7169b5
sha256 2ad0ce1ac6ca3c243f5a527f5d937634af7904469614b3db69c2c54b03d9ee16
sha512 64f8041981913f21500c8c8ba52f3571b848eab7cf774db77de3f446916094331642a241d175a1bfe6189cbb2b64e3389c50d106e640e05d6c3887c801c71651
ripemd-160 1781cf27d17ff993b9afe3661aee8d3ebc9b7537

81102371 as geometric shapes

Circle

Radius = n
Diameter 162204742
Circumference 509581225.84463
Area 2.0664122816543E+16

Sphere

Radius = n
Volume 2.2345458067424E+24
Surface area 8.2656491266172E+16
Circumference 509581225.84463

Square

Length = n
Perimeter 324409484
Area 6577594581821641
Diagonal 114696073.00881

Cube

Length = n
Surface area 39465567490929846
Volume 5.3345851606249E+23
Space diagonal 140473427.1863

Equilateral Triangle

Length = n
Perimeter 243307113
Area 2.8481820018262E+15
Altitude 70236713.59315

Triangular Pyramid

Length = n
Surface area 2.8481820018262E+15
Volume 6.2868689031583E+22
Height 38232024.336271