77978746 is an even 8-digits composite number following 77978745
and preceding 77978747 . In scientific notation, it is written as 7.7978746 × 10^7.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 38455200 positive integers (up to 77978746) that are relatively prime to 77978746.
77978746 has 8 divisors, whose sum is 118570644
The reverse of 77978746 is 64787977
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 55
Digital Root 1
Name
seventy-seven million nine hundred seventy-eight thousand seven hundred forty-six
Scientific notation
7.7978746 × 10^7
Engineering notation
7.7978746 × 10^6
Prime Factorization
2 × 73 × 534101
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
77978746
Product of the distinct prime numbers
The prime factorization of 77978746 is 2 × 73 × 534101.
Since it has a total of 3 prime factors.
9 , 3 , 97 , 15 , 724 , 951 , 5377 , 112 , 72186 , 5472 , 970480 , 700763 , 9993764 , 7358208 , 20541315 , 34692996 , 80188909 , 522753537 , 222478573 , 4875995541
n×2
155957492
n×3
233936238
n×4
311914984
n×5
389893730
n÷2
38989373
n÷3
25992915.333333
n÷3
19494686.5
n÷5
15595749.2
n2
6080684827732516
n3
4.7416417768781E+23
n4
3.6974727974216E+31
n5
2.8832429211205E+39
2 √n
8830.5575135435
3 √n
427.22705648725
4 √n
93.971046144775
5 √n
37.878716031838
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77978745
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77978746 can be divided by 8 positive divisors.
The sum of these divisors (counting 77978746) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101001011101110001111010
3
Ternary
12102201201201201
4
Quaternary
10221131301322
5
Quinary
124430304441
6
Senary
11423204414
8
Octal
451356172
10
Decimal
77978746
12
Duodecimal
2214670a
16
Hexadecimal
4a5dc7a
20
Vigesimal
14776h6
36
Base36
1afcsa
md5
2a708f7638491063648df7f79c5a5b51
sha1
929f2110917bda29010bd687d228b69e673a885f
sha256
bd04b41da2696d406b1d8d2e88155a16b6bc9c253dd95172a12d1010dc9ffdf2
sha512
1f464ddd0ae2cec09c39e9aec8ff2cd81a2d37669546d73265619936703829ca3b131bb0fc0375ae9cd4510c382301f5c60398b94c5a04b89e5791b69213db33
ripemd-160
033ed1cdcf00b324b12d62d6ffe2b6d9ce9947b4
Diameter
155957492
Circumference
489954911.13949
Area
1.9103034783599E+16
Volume
1.9861742629593E+24
Surface area
7.6412139134398E+16
Circumference
489954911.13949
Perimeter
311914984
Area
6080684827732516
Diagonal
110278600.17005
Surface area
36484108966395096
Volume
4.7416417768781E+23
Space diagonal
135063149.98251
Perimeter
233936238
Area
2.6330137666115E+15
Altitude
67531574.991254
Surface area
2.6330137666115E+15
Volume
5.5880784239799E+22
Height
36759533.390016