72156915 is an odd 8-digits composite number following 72156914
and preceding 72156916 . In scientific notation, it is written as 7.2156915 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 38364480 positive integers (up to 72156915) that are relatively prime to 72156915.
72156915 has 8 divisors, whose sum is 73988976
The reverse of 72156915 is 51965127
Previous prime number is 347
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-two million one hundred fifty-six thousand nine hundred fifteen
Scientific notation
7.2156915 × 10^7
Engineering notation
7.2156915 × 10^6
Prime Factorization
45 × 347 × 4621
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72156915
Product of the distinct prime numbers
The prime factorization of 72156915 is 45 × 347 × 4621.
Since it has a total of 3 prime factors.
10 , 5 , 14 , 44 , 695 , 975 , 8609 , 6087 , 1269 , 77769 , 330886 , 627082 , 3957530 , 2639676 , 89037071 , 61848775 , 481267073 , 601744851 , 7642536803 , 906072053
n×2
144313830
n×3
216470745
n×4
288627660
n×5
360784575
n÷2
36078457.5
n÷3
24052305
n÷3
18039228.75
n÷5
14431383
n2
5206620382317225
n3
3.7569366436413E+23
n4
2.7108895805561E+31
n5
1.9560942903857E+39
2 √n
8494.5226469767
3 √n
416.31876417188
4 √n
92.165734668459
5 √n
37.295427653415
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72156914
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72156915 can be divided by 8 positive divisors.
The sum of these divisors (counting 72156915) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010011010000011011110011
3
Ternary
12000202221200100
4
Quaternary
10103100123303
5
Quinary
121433010130
6
Senary
11054323443
8
Octal
423203363
10
Decimal
72156915
12
Duodecimal
201b9583
16
Hexadecimal
44d06f3
20
Vigesimal
12ajc5f
36
Base36
16ykmr
md5
6a306550e56e27302308ab873c1271ad
sha1
555c5a5678bc52c2bb3a88835d8659a921a97864
sha256
eed48e71331689120d9a8b1617e9f560d4000912ff70575a18bbd9e31989899e
sha512
2c85c3edba16220709cba52e2fd9a1fcde8be22613cd0a7727839c3af23085713375147282f5bb088aeb57964272dcdca5aed974079047080f5a210190256b22
ripemd-160
b2b15c5fb4d346a65d006c2abe59c4b55e53111a
Diameter
144313830
Circumference
453375268.13941
Area
1.6357080343119E+16
Volume
1.5737019412888E+24
Surface area
6.5428321372475E+16
Circumference
453375268.13941
Perimeter
288627660
Area
5206620382317225
Diagonal
102045287.812
Surface area
31239722293903350
Volume
3.7569366436413E+23
Space diagonal
124979442.89743
Perimeter
216470745
Area
2.2545327594743E+15
Altitude
62489721.448714
Surface area
2.2545327594743E+15
Volume
4.427592295345E+22
Height
34015095.937334