81197237 (number)

81197237 is an odd 8-digits composite number following 81197236 and preceding 81197238. In scientific notation, it is written as 8.1197237 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 73372000 positive integers (up to 81197237) that are relatively prime to 81197237.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred ninety-seven thousand two hundred thirty-seven

Notation

Scientific notation 8.1197237 × 10^7
Engineering notation 8.1197237 × 10^6

Prime Factorization of 81197237

Prime Factorization 11 × 167 × 44201

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81197237
Product of the distinct prime numbers

The prime factorization of 81197237 is 11 × 167 × 44201. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81197237)

Multiplication

n×y
n×2 162394474
n×3 243591711
n×4 324788948
n×5 405986185

Division

n÷y
n÷2 40598618.5
n÷3 27065745.666667
n÷3 20299309.25
n÷5 16239447.4

Exponentiation

ny
n2 6592991296434169
n3 5.353326768355E+23
n4 4.3467534234857E+31
n5 3.5294436790733E+39

Nth Root

y√n
2√n 9010.9509487068
3√n 433.02577775551
4√n 94.92602882617
5√n 38.186358919561

Divisors of 81197237

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 -81197236
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 81197237 can be divided by 8 positive divisors. The sum of these divisors (counting 81197237) is 1, the average is 0.125.

Base conversion 81197237

Base System Value
2 Binary 100110101101111100010110101
3 Ternary 12122210020200002
4 Quaternary 10311233202311
5 Quinary 131241302422
6 Senary 12020201045
8 Octal 465574265
10 Decimal 81197237
12 Duodecimal 23239185
16 Hexadecimal 4d6f8b5
20 Vigesimal 1579d1h
36 Base36 1ccc6t

Cryptographic Hash Functions

md5 3203990173425454245712a010b3e6f7
sha1 787290a060689c9aa44a021747a38d0dbfd3f92a
sha256 d1970bd1e6870d6293c19c5b8df5f81c23248dfabeacced042943758bfb0a8fe
sha512 2b4003143f3e48f249e086f50e412eded2ea807dd3f04e907b8fab5827d0643b0809c2cf3c356a26f6c963242d3cd547e53fda997f001bb4f4e5cf2273eec7f1
ripemd-160 4fc3b8f03be7c43b618b39a6dab6be523b915a29

81197237 as geometric shapes

Circle

Radius = n
Diameter 162394474
Circumference 510177286.50198
Area 2.0712493022059E+16

Sphere

Radius = n
Volume 2.2423962730306E+24
Surface area 8.2849972088236E+16
Circumference 510177286.50198

Square

Length = n
Perimeter 324788948
Area 6592991296434169
Diagonal 114830233.79262

Cube

Length = n
Surface area 39557947778605014
Volume 5.353326768355E+23
Space diagonal 140637739.91821

Equilateral Triangle

Length = n
Perimeter 243591711
Area 2.8548489748208E+15
Altitude 70318869.959106

Triangular Pyramid

Length = n
Surface area 2.8548489748208E+15
Volume 6.3089560996855E+22
Height 38276744.597541