77881378 is an even 8-digits composite number following 77881377
and preceding 77881379 . In scientific notation, it is written as 7.7881378 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 38940688 positive integers (up to 77881378) that are relatively prime to 77881378.
77881378 has 4 divisors, whose sum is 116822070
The reverse of 77881378 is 87318877
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
seventy-seven million eight hundred eighty-one thousand three hundred seventy-eight
Scientific notation
7.7881378 × 10^7
Engineering notation
7.7881378 × 10^6
Prime Factorization
2 × 38940689
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
77881378
Product of the distinct prime numbers
The prime factorization of 77881378 is 2 × 38940689.
Since it has a total of 2 prime factors.
6 , 6 , 3 , 22 , 653 , 244 , 6654 , 1598 , 83697 , 77578 , 530861 , 554184 , 9160681 , 5314296 , 45874972 , 71288507 , 966813950 , 229683793 , 306368069 , 7014318248
n×2
155762756
n×3
233644134
n×4
311525512
n×5
389406890
n÷2
38940689
n÷3
25960459.333333
n÷3
19470344.5
n÷5
15576275.6
n2
6065509039178884
n3
4.7239020224271E+23
n4
3.6790399904361E+31
n5
2.8652870417227E+39
2 √n
8825.0426627864
3 √n
427.04916369789
4 √n
93.941698211105
5 √n
37.869251867599
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77881377
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77881378 can be divided by 4 positive divisors.
The sum of these divisors (counting 77881378) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101001000110000000100010
3
Ternary
12102112210011111
4
Quaternary
10221012000202
5
Quinary
124414201003
6
Senary
11421133534
8
Octal
451060042
10
Decimal
77881378
12
Duodecimal
220ba2aa
16
Hexadecimal
4a46022
20
Vigesimal
146f38i
36
Base36
1ad9nm
md5
56de0f0f4167c1921226b1bd9403b109
sha1
f3584f7b751b2c5681f09febfd3e30190c94b16f
sha256
7dff6f0b96f5363c164ab85819f5981d9186dd2f54b8505d3d99e95ca66764e7
sha512
c9b79eadc24faf5840a5dec23b419a00062822374eb24974d607f802bba114479a1cdd94b89e9cfe3a6ab221cbfc60dcd49198e20cfc6dcb83e67b1aafe0a416
ripemd-160
8960dc6abf51ddcde18ea802b7cc767fdefee53d
Diameter
155762756
Circumference
489343129.9525
Area
1.9055358637767E+16
Volume
1.9787434519913E+24
Surface area
7.6221434551067E+16
Circumference
489343129.9525
Perimeter
311525512
Area
6065509039178884
Diagonal
110140901.02391
Surface area
36393054235073304
Volume
4.7239020224271E+23
Space diagonal
134894503.65948
Perimeter
233644134
Area
2.6264424574065E+15
Altitude
67447251.829738
Surface area
2.6264424574065E+15
Volume
5.5671719228651E+22
Height
36713633.674635