78897992 is an even 8-digits composite number following 78897991
and preceding 78897993 . In scientific notation, it is written as 7.8897992 × 10^7.
The sum of its digits is 59. It has a total of 4 prime factors and 8 positive divisors.
There are 39448992 positive integers (up to 78897992) that are relatively prime to 78897992.
78897992 has 8 divisors, whose sum is 147933750
The reverse of 78897992 is 29979887
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 59
Digital Root 5
Name
seventy-eight million eight hundred ninety-seven thousand nine hundred ninety-two
Scientific notation
7.8897992 × 10^7
Engineering notation
7.8897992 × 10^6
Prime Factorization
2 × 2 × 2 × 9862249
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19724498
Product of the distinct prime numbers
The prime factorization of 78897992 is 2 × 2 × 2 × 9862249.
Since it has a total of 4 prime factors.
7 , 10 , 95 , 72 , 11 , 765 , 5516 , 8784 , 98818 , 14495 , 781313 , 732721 , 4388145 , 7292152 , 1558889 , 52036724 , 523620670 , 101993056 , 4759026949 , 2763793285
n×2
157795984
n×3
236693976
n×4
315591968
n×5
394489960
n÷2
39448996
n÷3
26299330.666667
n÷3
19724498
n÷5
15779598.4
n2
6224893141632064
n3
4.9113156928934E+23
n4
3.8749294624738E+31
n5
3.0572415373082E+39
2 √n
8882.4541653757
3 √n
428.89927958973
4 √n
94.246772705359
5 √n
37.967603897782
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
-78897991
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 78897992 can be divided by 8 positive divisors.
The sum of these divisors (counting 78897992) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100111110001101001000
3
Ternary
12111110102200212
4
Quaternary
10230332031020
5
Quinary
130144213432
6
Senary
11455020252
8
Octal
454761510
10
Decimal
78897992
12
Duodecimal
2250a688
16
Hexadecimal
4b3e348
20
Vigesimal
14d24jc
36
Base36
1az22w
md5
74d77937de83b5599ce31e81ad2df12c
sha1
7091500979e635fa4eba7b774b7e72bd08e443da
sha256
2db8952b0b5ff0b842efb04173dbee4a276d0ec65bdd954fed6710d6d69781ef
sha512
3ed2cea73e78ad20d94883ccaad6903751d149a17ff589e4df9885ef59956be28b4e93b3b709803f8d78342c6fb4c80be5d89bcf37c2b5638c5e87e9ee7a817d
ripemd-160
b0ebd6269a965323f48a77d2d895b5b2cf0c8c82
Diameter
157795984
Circumference
495730704.10037
Area
1.9556078563133E+16
Volume
2.0572471067006E+24
Surface area
7.8224314252531E+16
Circumference
495730704.10037
Perimeter
315591968
Area
6224893141632064
Diagonal
111578610.3304
Surface area
37349358849792384
Volume
4.9113156928934E+23
Space diagonal
136655330.75916
Perimeter
236693976
Area
2.6954577982484E+15
Altitude
68327665.379581
Surface area
2.6954577982484E+15
Volume
5.7880410516547E+22
Height
37192870.110135