78909957 is an odd 8-digits composite number following 78909956
and preceding 78909958 . In scientific notation, it is written as 7.8909957 × 10^7.
The sum of its digits is 54. It has a total of 5 prime factors and 20 positive divisors.
There are 43527456 positive integers (up to 78909957) that are relatively prime to 78909957.
78909957 has 20 divisors, whose sum is 118483200
The reverse of 78909957 is 75990987
Previous prime number is 203
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
seventy-eight million nine hundred nine thousand nine hundred fifty-seven
Scientific notation
7.8909957 × 10^7
Engineering notation
7.8909957 × 10^6
Prime Factorization
3 × 9 × 3 × 203 × 4799
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
26303319
Product of the distinct prime numbers
The prime factorization of 78909957 is 3 × 9 × 3 × 203 × 4799.
Since it has a total of 5 prime factors.
3 , 4 , 3 , 59 , 841 , 445 , 926 , 5621 , 75411 , 71543 , 546974 , 556155 , 812874 , 7737074 , 77212735 , 88792913 , 96936959 , 607917776 , 6220073770 , 9010946710
n×2
157819914
n×3
236729871
n×4
315639828
n×5
394549785
n÷2
39454978.5
n÷3
26303319
n÷3
19727489.25
n÷5
15781991.4
n2
6226781313741849
n3
4.9135504571577E+23
n4
3.8772805529165E+31
n5
3.0595604170757E+39
2 √n
8883.1276586572
3 √n
428.92095956898
4 √n
94.250345668635
5 √n
37.968755396862
1 , 3 , 9 , 27 , 81 , 203 , 609 , 1827 , 4799 , 5481 , 14397 , 16443 , 43191 , 129573 , 388719 , 974197 , 2922591 , 8767773 , 26303319 , 78909957
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78909956
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78909957 can be divided by 20 positive divisors.
The sum of these divisors (counting 78909957) is 1, the average is 0.05.
Base
System
Value
2
Binary
100101101000001001000000101
3
Ternary
12111111001010000
4
Quaternary
10231001020011
5
Quinary
130200104312
6
Senary
11455151513
8
Octal
455011005
10
Decimal
78909957
12
Duodecimal
22515599
16
Hexadecimal
4b41205
20
Vigesimal
14d3ehh
36
Base36
1azbb9
md5
9cfd657afed3de4bae5c40fe98ceb4fd
sha1
73e63b87002d771f38707a551cb826cde71ec7bf
sha256
5c1a7dc8e9735d28c3ad18f7f8894d4b30325fde98cfdfc05c0ca16b9a280daa
sha512
0646cc8bf38b96b5494cd924d771d582b47d98e30d64bcbd21b9581b7ea0b9b95bc5a5634deb08aa1c1939d76b8a84435a2dce61c23809fb6abe8a6264abfc0a
ripemd-160
72106260bfd1bac0eac1ac4c6aec0aaee36eb7c0
Diameter
157819914
Circumference
495805882.41257
Area
1.9562010430762E+16
Volume
2.0581832025666E+24
Surface area
7.8248041723046E+16
Circumference
495805882.41257
Perimeter
315639828
Area
6226781313741849
Diagonal
111595531.39568
Surface area
37360687882451094
Volume
4.9135504571577E+23
Space diagonal
136676054.74708
Perimeter
236729871
Area
2.6962754007553E+15
Altitude
68338027.373538
Surface area
2.6962754007553E+15
Volume
5.7906747465975E+22
Height
37198510.465226