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.
81197237 has 8 divisors, whose sum is 89111232
The reverse of 81197237 is 73279118
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-one million one hundred ninety-seven thousand two hundred thirty-seven
Scientific notation
8.1197237 × 10^7
Engineering notation
8.1197237 × 10^6
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.
9 , 2 , 70 , 33 , 267 , 746 , 4727 , 8908 , 19194 , 13778 , 64109 , 395188 , 894808 , 3321453 , 41664129 , 80165550 , 196046551 , 633795451 , 3187198269 , 5683786043
n×2
162394474
n×3
243591711
n×4
324788948
n×5
405986185
n÷2
40598618.5
n÷3
27065745.666667
n÷3
20299309.25
n÷5
16239447.4
n2
6592991296434169
n3
5.353326768355E+23
n4
4.3467534234857E+31
n5
3.5294436790733E+39
2 √n
9010.9509487068
3 √n
433.02577775551
4 √n
94.92602882617
5 √n
38.186358919561
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
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
md5
3203990173425454245712a010b3e6f7
sha1
787290a060689c9aa44a021747a38d0dbfd3f92a
sha256
d1970bd1e6870d6293c19c5b8df5f81c23248dfabeacced042943758bfb0a8fe
sha512
2b4003143f3e48f249e086f50e412eded2ea807dd3f04e907b8fab5827d0643b0809c2cf3c356a26f6c963242d3cd547e53fda997f001bb4f4e5cf2273eec7f1
ripemd-160
4fc3b8f03be7c43b618b39a6dab6be523b915a29
Diameter
162394474
Circumference
510177286.50198
Area
2.0712493022059E+16
Volume
2.2423962730306E+24
Surface area
8.2849972088236E+16
Circumference
510177286.50198
Perimeter
324788948
Area
6592991296434169
Diagonal
114830233.79262
Surface area
39557947778605014
Volume
5.353326768355E+23
Space diagonal
140637739.91821
Perimeter
243591711
Area
2.8548489748208E+15
Altitude
70318869.959106
Surface area
2.8548489748208E+15
Volume
6.3089560996855E+22
Height
38276744.597541