78412881 is an odd 8-digits composite number following 78412880
and preceding 78412882 . In scientific notation, it is written as 7.8412881 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 52275252 positive integers (up to 78412881) that are relatively prime to 78412881.
78412881 has 4 divisors, whose sum is 104550512
The reverse of 78412881 is 18821487
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-eight million four hundred twelve thousand eight hundred eighty-one
Scientific notation
7.8412881 × 10^7
Engineering notation
7.8412881 × 10^6
Prime Factorization
3 × 26137627
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78412881
Product of the distinct prime numbers
The prime factorization of 78412881 is 3 × 26137627.
Since it has a total of 2 prime factors.
6 , 6 , 25 , 5 , 184 , 441 , 1712 , 5164 , 96949 , 27043 , 973720 , 253744 , 2606303 , 3027692 , 42267799 , 74786900 , 808600405 , 860404381 , 605579406 , 3038906883
n×2
156825762
n×3
235238643
n×4
313651524
n×5
392064405
n÷2
39206440.5
n÷3
26137627
n÷3
19603220.25
n÷5
15682576.2
n2
6148579906720161
n3
4.8212786454464E+23
n4
3.7805034869323E+31
n5
2.9644017004091E+39
2 √n
8855.1047989281
3 √n
428.01843058316
4 √n
94.101566399971
5 √n
37.920799235828
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
-78412880
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 78412881 can be divided by 4 positive divisors.
The sum of these divisors (counting 78412881) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101011000111110001010001
3
Ternary
12110112210020210
4
Quaternary
10223013301101
5
Quinary
130033203011
6
Senary
11440354333
8
Octal
453076121
10
Decimal
78412881
12
Duodecimal
223159a9
16
Hexadecimal
4ac7c51
20
Vigesimal
14a1c41
36
Base36
1aonrl
md5
b759a57c511746ca75e3af94a922a979
sha1
d2a4d920a9ff3f723c4c0c989093567ac4c379b6
sha256
618e4e57757ba203d4cf8dd6ba8bae08038f9e4140a119c52fea0f1af1ab7869
sha512
82ac652cdca5fe44cd03b3f78ed67875539519b00bd3eb9866b6c8fc9bb7ccec98e6fb803eda19fbebaf382789a65a84c9340c96da4794d18536f19ded80552a
ripemd-160
3feea2b4dcced604a114ffb1d6503331644bedd2
Diameter
156825762
Circumference
492682661.79282
Area
1.9316333464962E+16
Volume
2.0195324764592E+24
Surface area
7.7265333859847E+16
Circumference
492682661.79282
Perimeter
313651524
Area
6148579906720161
Diagonal
110892559.77495
Surface area
36891479440320966
Volume
4.8212786454464E+23
Space diagonal
135815093.85985
Perimeter
235238643
Area
2.6624131982091E+15
Altitude
67907546.929926
Surface area
2.6624131982091E+15
Volume
5.6819313736417E+22
Height
36964186.591649