81755346 is an even 8-digits composite number following 81755345
and preceding 81755347 . In scientific notation, it is written as 8.1755346 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 25584896 positive integers (up to 81755346) that are relatively prime to 81755346.
81755346 has 32 divisors, whose sum is 173560320
The reverse of 81755346 is 64355718
Previous prime number is 557
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-one million seven hundred fifty-five thousand three hundred forty-six
Scientific notation
8.1755346 × 10^7
Engineering notation
8.1755346 × 10^6
Prime Factorization
2 × 3 × 17 × 557 × 1439
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81755346
Product of the distinct prime numbers
The prime factorization of 81755346 is 2 × 3 × 17 × 557 × 1439.
Since it has a total of 5 prime factors.
8 , 4 , 97 , 60 , 724 , 542 , 1114 , 6802 , 67081 , 18182 , 27852 , 739802 , 7391627 , 3642761 , 91095561 , 45012492 , 397852395 , 193357627 , 9701942726 , 7637388247
n×2
163510692
n×3
245266038
n×4
327021384
n×5
408776730
n÷2
40877673
n÷3
27251782
n÷3
20438836.5
n÷5
16351069.2
n2
6683936599579716
n3
5.464475493407E+23
n4
4.4675008467201E+31
n5
3.652420774789E+39
2 √n
9041.866289655
3 √n
434.01564711013
4 √n
95.088728510034
5 √n
38.238709950872
1 , 2 , 3 , 6 , 17 , 34 , 51 , 102 , 557 , 1114 , 1439 , 1671 , 2878 , 3342 , 4317 , 8634 , 9469 , 18938 , 24463 , 28407 , 48926 , 56814 , 73389 , 146778 , 801523 , 1603046 , 2404569 , 4809138 , 13625891 , 27251782 , 40877673 , 81755346
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81755345
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81755346 can be divided by 32 positive divisors.
The sum of these divisors (counting 81755346) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110111110111110011010010
3
Ternary
12200211121020210
4
Quaternary
10313313303102
5
Quinary
131412132341
6
Senary
12040144550
8
Octal
467676322
10
Decimal
81755346
12
Duodecimal
23468156
16
Hexadecimal
4df7cd2
20
Vigesimal
15aj876
36
Base36
1coatu
md5
9cd233f175093c98e5db1ea07971469c
sha1
661f867f5869f14410a9cbe714a09956787c7722
sha256
1f9919aa30c8e9e4a1dd4385dfb4e0c6cc724e4080277a506dafb2e341261de7
sha512
05cf31f3bafadc7e96e99c70a3fadf4be53af328ddebb3f2648a0bb43bda2f3639e03b9992d09b91f5ce719d666f9f3d5c2d282078d87a54fa01c66282a5a997
ripemd-160
60f74d05ba9a8217e4a8d9e94bfcfae9352fd067
Diameter
163510692
Circumference
513683988.77058
Area
2.09982061183E+16
Volume
2.2889541421079E+24
Surface area
8.3992824473198E+16
Circumference
513683988.77058
Perimeter
327021384
Area
6683936599579716
Diagonal
115619519.1097
Surface area
40103619597478296
Volume
5.464475493407E+23
Space diagonal
141604413.06237
Perimeter
245266038
Area
2.8942294462603E+15
Altitude
70802206.531186
Surface area
2.8942294462603E+15
Volume
6.4399461283597E+22
Height
38539839.703235