77778938 is an even 8-digits composite number following 77778937
and preceding 77778939 . In scientific notation, it is written as 7.7778938 × 10^7.
The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors.
There are 37102800 positive integers (up to 77778938) that are relatively prime to 77778938.
77778938 has 16 divisors, whose sum is 122135040
The reverse of 77778938 is 83987777
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 56
Digital Root 2
Name
seventy-seven million seven hundred seventy-eight thousand nine hundred thirty-eight
Scientific notation
7.7778938 × 10^7
Engineering notation
7.7778938 × 10^6
Prime Factorization
2 × 31 × 71 × 17669
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
77778938
Product of the distinct prime numbers
The prime factorization of 77778938 is 2 × 31 × 71 × 17669.
Since it has a total of 4 prime factors.
8 , 6 , 97 , 31 , 504 , 290 , 9469 , 3539 , 26756 , 65806 , 558270 , 856099 , 5756458 , 4443527 , 40577934 , 21305864 , 779826809 , 249747188 , 826504887 , 2054993479
n×2
155557876
n×3
233336814
n×4
311115752
n×5
388894690
n÷2
38889469
n÷3
25926312.666667
n÷3
19444734.5
n÷5
15555787.6
n2
6049563196407844
n3
4.7052860078049E+23
n4
3.6597214867332E+31
n5
2.8464925061389E+39
2 √n
8819.2368150538
3 √n
426.86184416109
4 √n
93.910791792284
5 √n
37.859284481514
1 , 2 , 31 , 62 , 71 , 142 , 2201 , 4402 , 17669 , 35338 , 547739 , 1095478 , 1254499 , 2508998 , 38889469 , 77778938
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
-77778937
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 77778938 can be divided by 16 positive divisors.
The sum of these divisors (counting 77778938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101000101100111111111010
3
Ternary
12102100120122102
4
Quaternary
10220230333322
5
Quinary
124402411223
6
Senary
11415023402
8
Octal
450547772
10
Decimal
77778938
12
Duodecimal
2206ab62
16
Hexadecimal
4a2cffa
20
Vigesimal
146276i
36
Base36
1ab2m2
md5
7fefe0c155c8e9446de426ee3db69b6e
sha1
54d558a1925e11ff7dd4badc2e1c9125bcca3cff
sha256
68e029e0dc2480aca9b87b267c038940beaf9363b414952beb3f6a25255552aa
sha512
6e12b44f3b88b0430f80b182ecbb4696cfee1cf097de10b50b72c1a9eea7ba2b87231d16a6ad64913954fc5473d283796bff843a94b398996483bf09d0b47ee7
ripemd-160
8e257e26d8ba9388bb1f742f921022a86a9e4432
Diameter
155557876
Circumference
488699480.44963
Area
1.9005263295262E+16
Volume
1.9709455940212E+24
Surface area
7.6021053181048E+16
Circumference
488699480.44963
Perimeter
311115752
Area
6049563196407844
Diagonal
109996028.98658
Surface area
36297379178447064
Volume
4.7052860078049E+23
Space diagonal
134717072.37475
Perimeter
233336814
Area
2.6195377049443E+15
Altitude
67358536.187375
Surface area
2.6195377049443E+15
Volume
5.545232739235E+22
Height
36665342.995525