72869905 is an odd 8-digits composite number following 72869904
and preceding 72869906 . In scientific notation, it is written as 7.2869905 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 24 positive divisors.
There are 54378240 positive integers (up to 72869905) that are relatively prime to 72869905.
72869905 has 24 divisors, whose sum is 93720960
The reverse of 72869905 is 50996827
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
seventy-two million eight hundred sixty-nine thousand nine hundred five
Scientific notation
7.2869905 × 10^7
Engineering notation
7.2869905 × 10^6
Prime Factorization
5 × 17 × 17 × 211 × 239
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4286465
Product of the distinct prime numbers
The prime factorization of 72869905 is 5 × 17 × 17 × 211 × 239.
Since it has a total of 5 prime factors.
9 , 1 , 65 , 52 , 870 , 859 , 5539 , 6983 , 15862 , 11010 , 721070 , 35235 , 9152768 , 6766243 , 87909079 , 68044163 , 962058836 , 816092834 , 8308033892 , 1695770628
n×2
145739810
n×3
218609715
n×4
291479620
n×5
364349525
n÷2
36434952.5
n÷3
24289968.333333
n÷3
18217476.25
n÷5
14573981
n2
5310023054709025
n3
3.8694087554446E+23
n4
2.8196344841541E+31
n5
2.0546649699504E+39
2 √n
8536.3871163391
3 √n
417.68550208576
4 √n
92.392570677188
5 √n
37.368842059664
1 , 5 , 17 , 85 , 211 , 239 , 289 , 1055 , 1195 , 1445 , 3587 , 4063 , 17935 , 20315 , 50429 , 60979 , 69071 , 252145 , 304895 , 345355 , 857293 , 4286465 , 14573981 , 72869905
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72869904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72869905 can be divided by 24 positive divisors.
The sum of these divisors (counting 72869905) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100010101111110100000010001
3
Ternary
12002010011201101
4
Quaternary
10111332200101
5
Quinary
122123314110
6
Senary
11121504401
8
Octal
425764021
10
Decimal
72869905
12
Duodecimal
204a2101
16
Hexadecimal
457e811
20
Vigesimal
12f8ef5
36
Base36
17dus1
md5
2b7fb0fca10c24ab9b5c86c27de25578
sha1
ee54d903a08ac90b6cbadb5f1bac5a25ecd74293
sha256
216406f09db862c98052c4f42f1c5341b83862c6ecd8831bede33f7f4b986db2
sha512
7a44ed7c8fbc1361f942b9ad4f7ecc534240c207f5373064604a55ee72800fabfceb9e0ab8734015c5ab4e309c0c1d088299b0ced3517a4d9aeee3227ae5583f
ripemd-160
2461131ffadb4b11a1294dbe0eb0c486cafc120c
Diameter
145739810
Circumference
457855116.43157
Area
1.6681929419066E+16
Volume
1.6208141493121E+24
Surface area
6.6727717676265E+16
Circumference
457855116.43157
Perimeter
291479620
Area
5310023054709025
Diagonal
103053607.93984
Surface area
31860138328254150
Volume
3.8694087554446E+23
Space diagonal
126214377.80272
Perimeter
218609715
Area
2.2993074300295E+15
Altitude
63107188.901359
Surface area
2.2993074300295E+15
Volume
4.5601419502624E+22
Height
34351202.646613