72460981 is an odd 8-digits composite number following 72460980
and preceding 72460982 . In scientific notation, it is written as 7.2460981 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 66902400 positive integers (up to 72460981) that are relatively prime to 72460981.
72460981 has 16 divisors, whose sum is 78317568
The reverse of 72460981 is 18906427
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
seventy-two million four hundred sixty thousand nine hundred eighty-one
Scientific notation
7.2460981 × 10^7
Engineering notation
7.2460981 × 10^6
Prime Factorization
1213 × 41 × 31 × 47
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72460981
Product of the distinct prime numbers
The prime factorization of 72460981 is 1213 × 41 × 31 × 47.
Since it has a total of 4 prime factors.
2 , 6 , 64 , 69 , 373 , 769 , 4254 , 1602 , 20502 , 67071 , 429868 , 596491 , 6010463 , 6769850 , 54865280 , 95510829 , 589406137 , 60586391 , 3286880424 , 7799740787
n×2
144921962
n×3
217382943
n×4
289843924
n×5
362304905
n÷2
36230490.5
n÷3
24153660.333333
n÷3
18115245.25
n÷5
14492196.2
n2
5250593767482361
n3
3.8046317522426E+23
n4
2.7568734911125E+31
n5
1.997657576589E+39
2 √n
8512.4016000186
3 √n
416.90272753316
4 √n
92.26267717782
5 √n
37.326807056857
1 , 31 , 41 , 47 , 1213 , 1271 , 1457 , 1927 , 37603 , 49733 , 57011 , 59737 , 1541723 , 1767341 , 2337451 , 72460981
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72460980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72460981 can be divided by 16 positive divisors.
The sum of these divisors (counting 72460981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010100011010101010110101
3
Ternary
12001100101210001
4
Quaternary
10110122222311
5
Quinary
122022222411
6
Senary
11105031301
8
Octal
424325265
10
Decimal
72460981
12
Duodecimal
20325531
16
Hexadecimal
451aab5
20
Vigesimal
12chc91
36
Base36
175391
md5
de684abd9827ada315eda767eb361ee8
sha1
e50362cce9a76b429c4b92639a5b0f8a2f84357c
sha256
8e9b63961e7c18524b555a830ab726a2749db7b12fb2e8e663f4c38f8e8ebaae
sha512
caa265166564a91ca1faed568c50acc673b1b08e04712bb8ba8d8422a55827700e4f0d6f8499baa2804356a0f56ab759e82d99f2cd7b2cc6cce5f4d230839ced
ripemd-160
89f7536325c982704d5eacf99499ed9e273fb097
Diameter
144921962
Circumference
455285771.16302
Area
1.6495226806907E+16
Volume
1.5936804216613E+24
Surface area
6.5980907227628E+16
Circumference
455285771.16302
Perimeter
289843924
Area
5250593767482361
Diagonal
102475302.07306
Surface area
31503562604894166
Volume
3.8046317522426E+23
Space diagonal
125506100.65828
Perimeter
217382943
Area
2.273573793796E+15
Altitude
62753050.329142
Surface area
2.273573793796E+15
Volume
4.4838015198806E+22
Height
34158434.024353