72156778 is an even 8-digits composite number following 72156777
and preceding 72156779 . In scientific notation, it is written as 7.2156778 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 34340400 positive integers (up to 72156778) that are relatively prime to 72156778.
72156778 has 16 divisors, whose sum is 113564160
The reverse of 72156778 is 87765127
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-two million one hundred fifty-six thousand seven hundred seventy-eight
Scientific notation
7.2156778 × 10^7
Engineering notation
7.2156778 × 10^6
Prime Factorization
2 × 31 × 61 × 19079
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72156778
Product of the distinct prime numbers
The prime factorization of 72156778 is 2 × 31 × 61 × 19079.
Since it has a total of 4 prime factors.
2 , 8 , 53 , 71 , 586 , 995 , 2117 , 2909 , 11607 , 77008 , 706889 , 80070 , 2732781 , 6505848 , 84110295 , 73875795 , 252153710 , 924871195 , 2279769708 , 9699243353
n×2
144313556
n×3
216470334
n×4
288627112
n×5
360783890
n÷2
36078389
n÷3
24052259.333333
n÷3
18039194.5
n÷5
14431355.6
n2
5206600611341284
n3
3.7569152444722E+23
n4
2.7108689926019E+31
n5
1.9560757208626E+39
2 √n
8494.5145829529
3 √n
416.3185006919
4 √n
92.165690921041
5 √n
37.295413491286
1 , 2 , 31 , 61 , 62 , 122 , 1891 , 3782 , 19079 , 38158 , 591449 , 1163819 , 1182898 , 2327638 , 36078389 , 72156778
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
-72156777
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 72156778 can be divided by 16 positive divisors.
The sum of these divisors (counting 72156778) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010011010000011001101010
3
Ternary
12000202221111021
4
Quaternary
10103100121222
5
Quinary
121433004103
6
Senary
11054323054
8
Octal
423203152
10
Decimal
72156778
12
Duodecimal
201b948a
16
Hexadecimal
44d066a
20
Vigesimal
12ajbii
36
Base36
16ykiy
md5
a11e0301b15911cb1a4917ad5df308fd
sha1
7439f2cae9ad14629c008e233711f34e858543c3
sha256
b9769c95a8b8672bab0ab05d37a6b35e1f603f3482dab24c62ec2ab51d4de7ec
sha512
0b7a5cad3f24b29505001d4f8260309073b2b51bc4178eb7112cde62b9060f05377a7c13e670d1f7a7b99e4a0f70ff6ddc1de0f6f086d4ad080e827f2d137605
ripemd-160
fd26ca30cb640b1d0d5f8461dd4eb7e4e975900f
Diameter
144313556
Circumference
453374407.34302
Area
1.6357018230766E+16
Volume
1.5736929776258E+24
Surface area
6.5428072923064E+16
Circumference
453374407.34302
Perimeter
288627112
Area
5206600611341284
Diagonal
102045094.06474
Surface area
31239603668047704
Volume
3.7569152444722E+23
Space diagonal
124979205.60647
Perimeter
216470334
Area
2.2545241983906E+15
Altitude
62489602.803234
Surface area
2.2545241983906E+15
Volume
4.4275670761823E+22
Height
34015031.354915