71689905 is an odd 8-digits composite number following 71689904
and preceding 71689906 . In scientific notation, it is written as 7.1689905 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 31881600 positive integers (up to 71689905) that are relatively prime to 71689905.
71689905 has 32 divisors, whose sum is 112212480
The reverse of 71689905 is 50998617
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-one million six hundred eighty-nine thousand nine hundred five
Scientific notation
7.1689905 × 10^7
Engineering notation
7.1689905 × 10^6
Prime Factorization
9 × 7 × 5 × 37 × 6151
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
71689905
Product of the distinct prime numbers
The prime factorization of 71689905 is 9 × 7 × 5 × 37 × 6151.
Since it has a total of 5 prime factors.
10 , 3 , 84 , 39 , 890 , 765 , 7248 , 111 , 22419 , 71613 , 532356 , 740224 , 9609610 , 6118781 , 88189463 , 65752264 , 255012531 , 936894782 , 1185241922 , 8619708545
n×2
143379810
n×3
215069715
n×4
286759620
n×5
358449525
n÷2
35844952.5
n÷3
23896635
n÷3
17922476.25
n÷5
14337981
n2
5139442478909025
n3
3.6844614306595E+23
n4
2.6413868994015E+31
n5
1.8936077588633E+39
2 √n
8466.9891342791
3 √n
415.41866106671
4 √n
92.016243860957
5 √n
37.247025904035
1 , 5 , 7 , 9 , 35 , 37 , 45 , 63 , 185 , 259 , 315 , 333 , 1295 , 1665 , 2331 , 6151 , 11655 , 30755 , 43057 , 55359 , 215285 , 227587 , 276795 , 387513 , 1137935 , 1593109 , 1937565 , 2048283 , 7965545 , 10241415 , 14337981 , 71689905
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
-71689904
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 71689905 can be divided by 32 positive divisors.
The sum of these divisors (counting 71689905) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010001011110011010110001
3
Ternary
11222220020001200
4
Quaternary
10101132122301
5
Quinary
121323034110
6
Senary
11040321413
8
Octal
421363261
10
Decimal
71689905
12
Duodecimal
20013269
16
Hexadecimal
445e6b1
20
Vigesimal
12814f5
36
Base36
16oka9
md5
5499ceb55061bb787e5cf4b9d38fea3a
sha1
fe58f135cb19e5bd1e1d5996d1b5095890b2a856
sha256
6e7f920f257062b1df300ca4f78fca1aba05a6c6497a232eb4e4a02314a1ceaa
sha512
4e199cc0990ba4bda2f55be50cadaf4c603647f02faf9aa2b9f0df52505b412917ed39de68d42ebc96d73923be1c56eafaab11b43cc7465f2dc6ee5acc86ec8a
ripemd-160
6e932813b1a87dd2a27cfa029a665822547e1cfb
Diameter
143379810
Circumference
450440957.7691
Area
1.6146034735288E+16
Volume
1.543343595066E+24
Surface area
6.4584138941152E+16
Circumference
450440957.7691
Perimeter
286759620
Area
5139442478909025
Diagonal
101384835.93624
Surface area
30836654873454150
Volume
3.6844614306595E+23
Space diagonal
124170557.84979
Perimeter
215069715
Area
2.225443874012E+15
Altitude
62085278.924893
Surface area
2.225443874012E+15
Volume
4.3421794377327E+22
Height
33794945.31208