81765362 is an even 8-digits composite number following 81765361
and preceding 81765363 . In scientific notation, it is written as 8.1765362 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 35006208 positive integers (up to 81765362) that are relatively prime to 81765362.
81765362 has 16 divisors, whose sum is 140313600
The reverse of 81765362 is 26356718
Previous prime number is 1217
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-one million seven hundred sixty-five thousand three hundred sixty-two
Scientific notation
8.1765362 × 10^7
Engineering notation
8.1765362 × 10^6
Prime Factorization
2 × 7 × 1217 × 4799
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81765362
Product of the distinct prime numbers
The prime factorization of 81765362 is 2 × 7 × 1217 × 4799.
Since it has a total of 4 prime factors.
1 , 6 , 36 , 84 , 607 , 862 , 7473 , 1539 , 80089 , 44219 , 997615 , 727289 , 9065011 , 2451932 , 4245864 , 13639373 , 900393915 , 571277715 , 3292437493 , 9658571959
n×2
163530724
n×3
245296086
n×4
327061448
n×5
408826810
n÷2
40882681
n÷3
27255120.666667
n÷3
20441340.5
n÷5
16353072.4
n2
6685574422991044
n3
5.466484128738E+23
n4
4.4696905365352E+31
n5
3.6546586474778E+39
2 √n
9042.4201406482
3 √n
434.03337040865
4 √n
95.091640750637
5 √n
38.239646844103
1 , 2 , 7 , 14 , 1217 , 2434 , 4799 , 8519 , 9598 , 17038 , 33593 , 67186 , 5840383 , 11680766 , 40882681 , 81765362
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81765361
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81765362 can be divided by 16 positive divisors.
The sum of these divisors (counting 81765362) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111111010001111110010
3
Ternary
12200212002222202
4
Quaternary
10313322033302
5
Quinary
131412442422
6
Senary
12040303202
8
Octal
467721762
10
Decimal
81765362
12
Duodecimal
23471b02
16
Hexadecimal
4dfa3f2
20
Vigesimal
15b0d82
36
Base36
1coik2
md5
94dc9428e1fab81c61f374cd1c91a712
sha1
4c4df346d0e53fb76ebda7f642ec37049ab48e87
sha256
69cbfe76017f4a67157c07aaf0d20a24e2d1dfc65380d87aa055329ca259bffc
sha512
99822b48f663f734ea07a822a64415229b689a2195ebd4d8911def7e3fb24a5723d689331ad9e078ddcd04150ef622d9575b3ee706407f0c281c4870adde0743
ripemd-160
2aa614bbb61941706ab21e75b1c7882635018bbd
Diameter
163530724
Circumference
513746921.15462
Area
2.1003351492296E+16
Volume
2.2897955173078E+24
Surface area
8.4013405969186E+16
Circumference
513746921.15462
Perimeter
327061448
Area
6685574422991044
Diagonal
115633683.87275
Surface area
40113446537946264
Volume
5.466484128738E+23
Space diagonal
141621761.28326
Perimeter
245296086
Area
2.8949386446009E+15
Altitude
70810880.641631
Surface area
2.8949386446009E+15
Volume
6.4423133277988E+22
Height
38544561.290915