78897138 is an even 8-digits composite number following 78897137
and preceding 78897139 . In scientific notation, it is written as 7.8897138 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 26299044 positive integers (up to 78897138) that are relatively prime to 78897138.
78897138 has 8 divisors, whose sum is 157794288
The reverse of 78897138 is 83179887
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
seventy-eight million eight hundred ninety-seven thousand one hundred thirty-eight
Scientific notation
7.8897138 × 10^7
Engineering notation
7.8897138 × 10^6
Prime Factorization
2 × 3 × 13149523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78897138
Product of the distinct prime numbers
The prime factorization of 78897138 is 2 × 3 × 13149523.
Since it has a total of 3 prime factors.
1 , 10 , 64 , 77 , 32 , 522 , 3332 , 9607 , 86382 , 18185 , 632428 , 188199 , 8111315 , 2359209 , 16851090 , 30782634 , 842107816 , 541817975 , 3367061069 , 4119883976
n×2
157794276
n×3
236691414
n×4
315588552
n×5
394485690
n÷2
39448569
n÷3
26299046
n÷3
19724284.5
n÷5
15779427.6
n2
6224758384591044
n3
4.9111562128574E+23
n4
3.8747616946537E+31
n5
3.057076081402E+39
2 √n
8882.4060929458
3 √n
428.89773210081
4 √n
94.246517670128
5 √n
37.967521704374
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
-78897137
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 78897138 can be divided by 8 positive divisors.
The sum of these divisors (counting 78897138) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100111101111111110010
3
Ternary
12111110101112020
4
Quaternary
10230331333302
5
Quinary
130144202023
6
Senary
11455012310
8
Octal
454757762
10
Decimal
78897138
12
Duodecimal
2250a096
16
Hexadecimal
4b3dff2
20
Vigesimal
14d22gi
36
Base36
1az1f6
md5
00d8106a0d9631d27c703fe3fe21e776
sha1
cf8e741113a3125d4354c16728165cc9f6191c51
sha256
0a354212f12c2828c13c2e24d8a71aef33e39437475eace75082d5e2079c39c1
sha512
2126c93b16fb54f7d5cfabd3d344ff29232d55ca9b5332f812af9fde2850022ccf90503a8fc272f0f6b060374e19baf530e918b6186ae423b6e0bf9b09e46b68
ripemd-160
c7c10f78a8f75bb9669c6d34c7008a7da28cffd9
Diameter
157794276
Circumference
495725338.26012
Area
1.9555655211403E+16
Volume
2.0571803038593E+24
Surface area
7.8222620845611E+16
Circumference
495725338.26012
Perimeter
315588552
Area
6224758384591044
Diagonal
111577402.59202
Surface area
37348550307546264
Volume
4.9111562128574E+23
Space diagonal
136653851.58777
Perimeter
236691414
Area
2.695399446738E+15
Altitude
68326925.793887
Surface area
2.695399446738E+15
Volume
5.7878531026298E+22
Height
37192467.530674