81707042 is an even 8-digits composite number following 81707041
and preceding 81707043 . In scientific notation, it is written as 8.1707042 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 40465440 positive integers (up to 81707042) that are relatively prime to 81707042.
81707042 has 16 divisors, whose sum is 123731712
The reverse of 81707042 is 24070718
Previous prime number is 647
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-one million seven hundred seven thousand forty-two
Scientific notation
8.1707042 × 10^7
Engineering notation
8.1707042 × 10^6
Prime Factorization
2 × 233 × 647 × 271
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81707042
Product of the distinct prime numbers
The prime factorization of 81707042 is 2 × 233 × 647 × 271.
Since it has a total of 4 prime factors.
3 , 8 , 71 , 24 , 850 , 203 , 5332 , 6358 , 28591 , 35223 , 770497 , 955546 , 5876159 , 9783995 , 54945189 , 40849892 , 267993926 , 220433047 , 9025956217 , 6926570688
n×2
163414084
n×3
245121126
n×4
326828168
n×5
408535210
n÷2
40853521
n÷3
27235680.666667
n÷3
20426760.5
n÷5
16341408.4
n2
6676040712389764
n3
5.4547953888094E+23
n4
4.4569519593486E+31
n5
3.6416436093448E+39
2 √n
9039.1947650219
3 √n
433.93015291679
4 √n
95.074679936469
5 √n
38.234190321466
1 , 2 , 233 , 271 , 466 , 542 , 647 , 1294 , 63143 , 126286 , 150751 , 175337 , 301502 , 350674 , 40853521 , 81707042
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
-81707041
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 81707042 can be divided by 16 positive divisors.
The sum of these divisors (counting 81707042) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111101100000000100010
3
Ternary
12200202010222202
4
Quaternary
10313230000202
5
Quinary
131404111132
6
Senary
12035133202
8
Octal
467540042
10
Decimal
81707042
12
Duodecimal
23444202
16
Hexadecimal
4dec022
20
Vigesimal
15ad7c2
36
Base36
1cn9k2
md5
2217d2a7c79385919df972345e257b9c
sha1
3e139eb5b079dc0583729f3618f8adb1af7b6190
sha256
50f1c2ef1b752569ca16dbbcdc1879fa01d81f6f94b36cc080cab7c156a54e91
sha512
0556e42f91c77af04355c633df271a2f51d641e207284f5cc193b341756b50c79ba271b62e0c91b876e6b16287a23a9435ca3f707484ab38eb5e76bd4ee241b0
ripemd-160
c86b514c5330612d12bc8fc6aa865df572d9ff8a
Diameter
163414084
Circumference
513380485.78751
Area
2.097340045711E+16
Volume
2.2848993493759E+24
Surface area
8.389360182844E+16
Circumference
513380485.78751
Perimeter
326828168
Area
6676040712389764
Diagonal
115551206.93779
Surface area
40056244274338584
Volume
5.4547953888094E+23
Space diagonal
141520748.08016
Perimeter
245121126
Area
2.8908104268143E+15
Altitude
70760374.040082
Surface area
2.8908104268143E+15
Volume
6.4285380156871E+22
Height
38517068.979263