72156972 is an even 8-digits composite number following 72156971
and preceding 72156973 . In scientific notation, it is written as 7.2156972 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 24052320 positive integers (up to 72156972) that are relatively prime to 72156972.
72156972 has 12 divisors, whose sum is 168366296
The reverse of 72156972 is 27965127
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-two million one hundred fifty-six thousand nine hundred seventy-two
Scientific notation
7.2156972 × 10^7
Engineering notation
7.2156972 × 10^6
Prime Factorization
2 × 2 × 3 × 6013081
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
36078486
Product of the distinct prime numbers
The prime factorization of 72156972 is 2 × 2 × 3 × 6013081.
Since it has a total of 4 prime factors.
10 , 3 , 77 , 61 , 27 , 33 , 2213 , 6891 , 91414 , 50435 , 904503 , 948030 , 4052207 , 530434 , 98107865 , 87222244 , 785043710 , 216338412 , 8893150038 , 5897413894
n×2
144313944
n×3
216470916
n×4
288627888
n×5
360784860
n÷2
36078486
n÷3
24052324
n÷3
18039243
n÷5
14431394.4
n2
5206628608208784
n3
3.7569455469692E+23
n4
2.7108981463818E+31
n5
1.9561020164332E+39
2 √n
8494.5260020792
3 √n
416.31887379483
4 √n
92.16575286992
5 √n
37.295433545681
1 , 2 , 3 , 4 , 6 , 12 , 6013081 , 12026162 , 18039243 , 24052324 , 36078486 , 72156972
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72156971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72156972 can be divided by 12 positive divisors.
The sum of these divisors (counting 72156972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010011010000011100101100
3
Ternary
12000202221202110
4
Quaternary
10103100130230
5
Quinary
121433010342
6
Senary
11054324020
8
Octal
423203454
10
Decimal
72156972
12
Duodecimal
201b9610
16
Hexadecimal
44d072c
20
Vigesimal
12ajc8c
36
Base36
16ykoc
md5
d4f453807ddfa2769e33743ef6f52460
sha1
791ed472d605cb2b9264c33e89607b86043a927a
sha256
5650d884fd4cc4d5b765c4c00062de5aa8b68e40ef4108376da0e9a3091509c3
sha512
82db2e50200368f5ffff0e360b4013bcf587ed5bef2338e0c5bda8313e7317dc6eafdb43a3f80766d7122d2f10a5787715817c35863ee3f38a246fc7729f3c49
ripemd-160
c082ea7b2a9187bf33c5b1927a4be84dd97bb6c8
Diameter
144313944
Circumference
453375626.28097
Area
1.6357106185519E+16
Volume
1.573705670706E+24
Surface area
6.5428424742077E+16
Circumference
453375626.28097
Perimeter
288627888
Area
5206628608208784
Diagonal
102045368.42218
Surface area
31239771649252704
Volume
3.7569455469692E+23
Space diagonal
124979541.62432
Perimeter
216470916
Area
2.2545363213898E+15
Altitude
62489770.812162
Surface area
2.2545363213898E+15
Volume
4.4276027880175E+22
Height
34015122.807392