72161008 is an even 8-digits composite number following 72161007
and preceding 72161009 . In scientific notation, it is written as 7.2161008 × 10^7.
The sum of its digits is 25. It has a total of 6 prime factors and 20 positive divisors.
There are 35979264 positive integers (up to 72161008) that are relatively prime to 72161008.
72161008 has 20 divisors, whose sum is 140204320
The reverse of 72161008 is 80016127
Previous prime number is 367
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
seventy-two million one hundred sixty-one thousand eight
Scientific notation
7.2161008 × 10^7
Engineering notation
7.2161008 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 367 × 12289
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
9020126
Product of the distinct prime numbers
The prime factorization of 72161008 is 2 × 2 × 2 × 2 × 367 × 12289.
Since it has a total of 6 prime factors.
6 , 1 , 99 , 54 , 270 , 458 , 9761 , 6288 , 38703 , 21516 , 252025 , 186157 , 8623946 , 3279511 , 47958411 , 19971141 , 604835248 , 848755426 , 9347808309 , 4745508877
n×2
144322016
n×3
216483024
n×4
288644032
n×5
360805040
n÷2
36080504
n÷3
24053669.333333
n÷3
18040252
n÷5
14432201.6
n2
5207211075576064
n3
3.7575760008233E+23
n4
2.7115047185602E+31
n5
1.9566491368806E+39
2 √n
8494.7635635137
3 √n
416.32663572276
4 √n
92.16704163373
5 √n
37.295850750001
1 , 2 , 4 , 8 , 16 , 367 , 734 , 1468 , 2936 , 5872 , 12289 , 24578 , 49156 , 98312 , 196624 , 4510063 , 9020126 , 18040252 , 36080504 , 72161008
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72161007
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72161008 can be divided by 20 positive divisors.
The sum of these divisors (counting 72161008) is 1, the average is 0.05.
Base
System
Value
2
Binary
100010011010001011011110000
3
Ternary
12000210011021221
4
Quaternary
10103101123300
5
Quinary
121433123013
6
Senary
11054354424
8
Octal
423213360
10
Decimal
72161008
12
Duodecimal
201bba14
16
Hexadecimal
44d16f0
20
Vigesimal
12b02a8
36
Base36
16ynsg
md5
e875d20feddd50d4c89cce69784e8599
sha1
52c466f71458244caa6be0cf67a8e204a6554881
sha256
5ba4b13a122af27fbeb8080e19ea7ec3b6546e82f9bc03de253a56daa64a8718
sha512
3e231a2b0c108d95927651a8901cf2f9d9b9b7812c4053028df5d60aa6fbde07c4504b4f311f345e0870f0b9ae6026f06d303cbcdd5cec96ae011da301972cf9
ripemd-160
13fd231e2d5ede4c02755c4ac85f585c8a48a3a3
Diameter
144322016
Circumference
453400985.21687
Area
1.6358936060721E+16
Volume
1.5739697545989E+24
Surface area
6.5435744242885E+16
Circumference
453400985.21687
Perimeter
288644032
Area
5207211075576064
Diagonal
102051076.18811
Surface area
31243266453456384
Volume
3.7575760008233E+23
Space diagonal
124986532.18138
Perimeter
216483024
Area
2.2547885371583E+15
Altitude
62493266.090692
Surface area
2.2547885371583E+15
Volume
4.42834578501E+22
Height
34017025.396038