72648978 is an even 8-digits composite number following 72648977
and preceding 72648979 . In scientific notation, it is written as 7.2648978 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 24137840 positive integers (up to 72648978) that are relatively prime to 72648978.
72648978 has 16 divisors, whose sum is 145768896
The reverse of 72648978 is 87984627
Previous prime number is 311
Is Prime? no Number parity even Number length 8 Sum of Digits 51 Digital Root 6
Name
seventy-two million six hundred forty-eight thousand nine hundred seventy-eight
Scientific notation
7.2648978 × 10^7
Engineering notation
7.2648978 × 10^6
Prime Factorization
2 × 3 × 311 × 38933
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
72648978 Product of the distinct prime numbers
The prime factorization of 72648978 is 2 × 3 × 311 × 38933.
Since it has a total of 4 prime factors.
3 , 2 , 54 , 56 , 69 , 768 , 9052 , 9096 , 99758 , 2346 , 679102 , 531580 , 6433935 , 8157008 , 42266801 , 21041157 , 941314082 , 687223752 , 7989348960 , 3349112332
n×2
145297956
n×3
217946934
n×4
290595912
n×5
363244890
n÷2
36324489
n÷3
24216326
n÷3
18162244.5
n÷5
14529795.6
n2
5277874004444484
n3
3.8343215243566E+23
n4
2.7855954006791E+31
n5
2.0237065898084E+39
2 √n8523.4369828139
3 √n417.26296176786
4 √n92.322461962482
5 √n37.346155557248
1 , 2 , 3 , 6 , 311 , 622 , 933 , 1866 , 38933 , 77866 , 116799 , 233598 , 12108163 , 24216326 , 36324489 , 72648978
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
-72648977 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 72648978 can be divided by 16 positive divisors.
The sum of these divisors (counting 72648978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010101001000100100010010
3
Ternary
12001200221122220
4
Quaternary
10111020210102
5
Quinary
122044231403
6
Senary
11113041510
8
Octal
425104422
10
Decimal
72648978
12
Duodecimal
203b6296
16
Hexadecimal
4548912
20
Vigesimal
12e128i
36
Base36
1794b6
md5
52c134caa0eb42d348c497f2a9575d3a
sha1
8be181770d0d104f42757270202923de7c164016
sha256
3027d99d71e73ac93d623b01b407a0445b3c94ec00f322a7b10adc830509db99
sha512
1c672d8964ef8c1e97c058dcd329a2049be6fe2e8e0a476d83fe7b68658b0c4ac5ef7e2f73536c793211e6da691ab709b8d0a99c5cad379a1e42ec62b016224e
ripemd-160
095ea27e58c603bac0ff7a29fa3dd6e4751e3a00
Diameter
145297956
Circumference
456466991.15121
Area
1.6580930198935E+16
Volume
1.6061168443227E+24
Surface area
6.6323720795741E+16
Circumference
456466991.15121
Perimeter
290595912
Area
5277874004444484
Diagonal
102741169.98014
Surface area
31667244026666904
Volume
3.8343215243566E+23
Space diagonal
125831721.01395
Perimeter
217946934
Area
2.2853864829112E+15
Altitude
62915860.506977
Surface area
2.2853864829112E+15
Volume
4.5187912518701E+22
Height
34247056.660048