78897140 is an even 8-digits composite number following 78897139
and preceding 78897141 . In scientific notation, it is written as 7.8897140 × 10^7.
The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors.
There are 27050400 positive integers (up to 78897140) that are relatively prime to 78897140.
78897140 has 24 divisors, whose sum is 189353472
The reverse of 78897140 is 04179887
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-eight million eight hundred ninety-seven thousand one hundred forty
Scientific notation
7.8897140 × 10^7
Engineering notation
7.8897140 × 10^6
Prime Factorization
2 × 2 × 5 × 7 × 563551
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
39448570
Product of the distinct prime numbers
The prime factorization of 78897140 is 2 × 2 × 5 × 7 × 563551.
Since it has a total of 5 prime factors.
8 , 2 , 90 , 58 , 647 , 149 , 6431 , 7990 , 8365 , 13653 , 558801 , 75000 , 3630710 , 5247433 , 9191993 , 75981329 , 846633691 , 278193730 , 8277254702 , 8788263872
n×2
157794280
n×3
236691420
n×4
315588560
n×5
394485700
n÷2
39448570
n÷3
26299046.666667
n÷3
19724285
n÷5
15779428
n2
6224758700179600
n3
4.9111565863429E+23
n4
3.8747620875462E+31
n5
3.0570764688782E+39
2 √n
8882.4062055279
3 √n
428.89773572491
4 √n
94.246518267403
5 √n
37.967521896866
1 , 2 , 4 , 5 , 7 , 10 , 14 , 20 , 28 , 35 , 70 , 140 , 563551 , 1127102 , 2254204 , 2817755 , 3944857 , 5635510 , 7889714 , 11271020 , 15779428 , 19724285 , 39448570 , 78897140
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
-78897139
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 78897140 can be divided by 24 positive divisors.
The sum of these divisors (counting 78897140) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101100111101111111110100
3
Ternary
12111110101112022
4
Quaternary
10230331333310
5
Quinary
130144202030
6
Senary
11455012312
8
Octal
454757764
10
Decimal
78897140
12
Duodecimal
2250a098
16
Hexadecimal
4b3dff4
20
Vigesimal
14d22h0
36
Base36
1az1f8
md5
6c19a50b05c9004930c904e92ebaac5e
sha1
f5f92e0c6638f7b387918fde5f94ab5e391c7f53
sha256
73b0d5b599223e40d916ec8449f097dc441947d83ae7c0057f5693c696159880
sha512
41e98b960e3d4a4aedd5933ecb99778f13892a83a70628063309cb7320e6980045801364cff78bff89cd75b8c4f6f714e5d0f3a27e31ce864e0a46658753a540
ripemd-160
596d027bae78bad68493b081215761ba66ef86cf
Diameter
157794280
Circumference
495725350.82649
Area
1.9555656202853E+16
Volume
2.0571804603045E+24
Surface area
7.8222624811414E+16
Circumference
495725350.82649
Perimeter
315588560
Area
6224758700179600
Diagonal
111577405.42045
Surface area
37348552201077600
Volume
4.9111565863429E+23
Space diagonal
136653855.05187
Perimeter
236691420
Area
2.6953995833919E+15
Altitude
68326927.525937
Surface area
2.6953995833919E+15
Volume
5.7878535427867E+22
Height
37192468.473483