77128908 is an even 8-digits composite number following 77128907
and preceding 77128909 . In scientific notation, it is written as 7.7128908 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 25688064 positive integers (up to 77128908) that are relatively prime to 77128908.
77128908 has 24 divisors, whose sum is 180118512
The reverse of 77128908 is 80982177
Previous prime number is 3617
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-seven million one hundred twenty-eight thousand nine hundred eight
Scientific notation
7.7128908 × 10^7
Engineering notation
7.7128908 × 10^6
Prime Factorization
2 × 2 × 3 × 3617 × 1777
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
38564454
Product of the distinct prime numbers
The prime factorization of 77128908 is 2 × 2 × 3 × 3617 × 1777.
Since it has a total of 5 prime factors.
3 , 2 , 80 , 100 , 640 , 780 , 6368 , 2594 , 63016 , 24665 , 767962 , 85676 , 6319418 , 2603680 , 3177383 , 23990952 , 209365804 , 158844235 , 9547553112 , 5675236634
n×2
154257816
n×3
231386724
n×4
308515632
n×5
385644540
n÷2
38564454
n÷3
25709636
n÷3
19282227
n÷5
15425781.6
n2
5948868449272464
n3
4.5882972732804E+23
n4
3.5389035826749E+31
n5
2.7295176884901E+39
2 √n
8782.3065307469
3 √n
425.66936367104
4 √n
93.713961237091
5 √n
37.795790801933
1 , 2 , 3 , 4 , 6 , 12 , 1777 , 3554 , 3617 , 5331 , 7108 , 7234 , 10662 , 10851 , 14468 , 21324 , 21702 , 43404 , 6427409 , 12854818 , 19282227 , 25709636 , 38564454 , 77128908
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77128907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77128908 can be divided by 24 positive divisors.
The sum of these divisors (counting 77128908) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100100110001110010011001100
3
Ternary
12101010112222020
4
Quaternary
10212032103030
5
Quinary
124221111113
6
Senary
11353050140
8
Octal
446162314
10
Decimal
77128908
12
Duodecimal
219b6950
16
Hexadecimal
498e4cc
20
Vigesimal
1421258
36
Base36
19x51o
md5
f4abd941c6cff01715b12dbe10ba0cc8
sha1
a4434763effa8576beb41ba8dc3d476db61195bc
sha256
a1556679fd8f1105b1be7fb181c2d05c93fe458fabf68fcb7d742ff2b9ed1998
sha512
adff4fbca383962427662250e32d923ae930bd36edbba21b9012c26f78f54540840eadcab43caf1871b6a677a5555948201a3e08d3b2244f5454c898c25ccac0
ripemd-160
e72fd24adf5224116e93195981d7dc524e541050
Diameter
154257816
Circumference
484615221.50441
Area
1.8688921417406E+16
Volume
1.9219414674965E+24
Surface area
7.4755685669626E+16
Circumference
484615221.50441
Perimeter
308515632
Area
5948868449272464
Diagonal
109076747.74463
Surface area
35693210695634784
Volume
4.5882972732804E+23
Space diagonal
133591187.38831
Perimeter
231386724
Area
2.5759356004208E+15
Altitude
66795593.694153
Surface area
2.5759356004208E+15
Volume
5.4073601933938E+22
Height
36358915.914876