72090947 is an odd 8-digits composite number following 72090946
and preceding 72090948 . In scientific notation, it is written as 7.2090947 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 68956536 positive integers (up to 72090947) that are relatively prime to 72090947.
72090947 has 4 divisors, whose sum is 75225360
The reverse of 72090947 is 74909027
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-two million ninety thousand nine hundred forty-seven
Scientific notation
7.2090947 × 10^7
Engineering notation
7.2090947 × 10^6
Prime Factorization
23 × 3134389
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72090947
Product of the distinct prime numbers
The prime factorization of 72090947 is 23 × 3134389.
Since it has a total of 2 prime factors.
3 , 1 , 81 , 7 , 609 , 958 , 9588 , 5821 , 928 , 63183 , 193267 , 814390 , 3922655 , 1720264 , 18895455 , 85215747 , 614277452 , 707359559 , 6466386360 , 1835196855
n×2
144181894
n×3
216272841
n×4
288363788
n×5
360454735
n÷2
36045473.5
n÷3
24030315.666667
n÷3
18022736.75
n÷5
14418189.4
n2
5197104639356809
n3
3.7466419510933E+23
n4
2.7009896632424E+31
n5
1.9471690266036E+39
2 √n
8490.638786334
3 √n
416.19185515297
4 √n
92.14466227804
5 √n
37.288605840207
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
-72090946
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 72090947 can be divided by 4 positive divisors.
The sum of these divisors (counting 72090947) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010011000000010101000011
3
Ternary
12000122121012002
4
Quaternary
10103000111003
5
Quinary
121423402242
6
Senary
11053054215
8
Octal
423002503
10
Decimal
72090947
12
Duodecimal
2018736b
16
Hexadecimal
44c0543
20
Vigesimal
12ab777
36
Base36
16x5qb
md5
c8174e5e696383add5c26b78bb5fe05a
sha1
d9571dd0be186dbed9806abdf16cf7ff606ddbf3
sha256
3247416580f3289285e89ad52b5e0186f43bc03d945f7aee74f327b58039112e
sha512
6dddd44a6a39b28141d8fbed62e69246297959111d17c3e767f1d0b818ac7f5c78c15085fb5c9b7cf5a6c596902f66da0ddf49892300bbed231b8dd9ded2a031
ripemd-160
531ef2a38bfc99c2b4c46df0e4777a26e713b18a
Diameter
144181894
Circumference
452960778.97106
Area
1.6327185754941E+16
Volume
1.5693897105581E+24
Surface area
6.5308743019763E+16
Circumference
452960778.97106
Perimeter
288363788
Area
5197104639356809
Diagonal
101951994.97172
Surface area
31182627836140854
Volume
3.7466419510933E+23
Space diagonal
124865182.96976
Perimeter
216272841
Area
2.2504123219045E+15
Altitude
62432591.484878
Surface area
2.2504123219045E+15
Volume
4.4154598838267E+22
Height
33983998.323907