72156939 is an odd 8-digits composite number following 72156938
and preceding 72156940 . In scientific notation, it is written as 7.2156939 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 48104624 positive integers (up to 72156939) that are relatively prime to 72156939.
72156939 has 4 divisors, whose sum is 96209256
The reverse of 72156939 is 93965127
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-two million one hundred fifty-six thousand nine hundred thirty-nine
Scientific notation
7.2156939 × 10^7
Engineering notation
7.2156939 × 10^6
Prime Factorization
3 × 24052313
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72156939
Product of the distinct prime numbers
The prime factorization of 72156939 is 3 × 24052313.
Since it has a total of 2 prime factors.
8 , 5 , 24 , 29 , 78 , 870 , 2108 , 6710 , 43237 , 62586 , 976284 , 947688 , 1528501 , 6954066 , 44581489 , 9769376 , 887908164 , 846867836 , 5514737646 , 4145700004
n×2
144313878
n×3
216470817
n×4
288627756
n×5
360784695
n÷2
36078469.5
n÷3
24052313
n÷3
18039234.75
n÷5
14431387.8
n2
5206623845849721
n3
3.7569403924092E+23
n4
2.7108931872171E+31
n5
1.9560975434554E+39
2 √n
8494.5240596516
3 √n
416.31881032892
4 √n
92.165742332233
5 √n
37.295430134369
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72156938
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72156939 can be divided by 4 positive divisors.
The sum of these divisors (counting 72156939) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010011010000011100001011
3
Ternary
12000202221201020
4
Quaternary
10103100130023
5
Quinary
121433010224
6
Senary
11054323523
8
Octal
423203413
10
Decimal
72156939
12
Duodecimal
201b95a3
16
Hexadecimal
44d070b
20
Vigesimal
12ajc6j
36
Base36
16yknf
md5
577668eceab8ae24777e2573c21336be
sha1
5cdde1a21865d05d264d7264a8d27e942591832d
sha256
3a3577268224ca6179acf434f16a7a1f6d63ead9f6c9ba8fc6ba6ed95769f181
sha512
acfb67fb9367828de749e0f55e13f1f47ebe64fed11d728301c1fcad325c04d9de313967e44f3fa83edad5b24cf30c79cea7f370747eb45b8c4374ae88925f5f
ripemd-160
c8e9271f416194e16f8f685e84d397da179f8985
Diameter
144313878
Circumference
453375418.93585
Area
1.6357091224127E+16
Volume
1.573703511569E+24
Surface area
6.5428364896508E+16
Circumference
453375418.93585
Perimeter
288627756
Area
5206623845849721
Diagonal
102045321.75313
Surface area
31239743075098326
Volume
3.7569403924092E+23
Space diagonal
124979484.46665
Perimeter
216470817
Area
2.2545342592278E+15
Altitude
62489742.233324
Surface area
2.2545342592278E+15
Volume
4.4275967133104E+22
Height
34015107.251043