78163947 is an odd 8-digits composite number following 78163946
and preceding 78163948 . In scientific notation, it is written as 7.8163947 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 20 positive divisors.
There are 51391584 positive integers (up to 78163947) that are relatively prime to 78163947.
78163947 has 20 divisors, whose sum is 118371880
The reverse of 78163947 is 74936187
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-eight million one hundred sixty-three thousand nine hundred forty-seven
Scientific notation
7.8163947 × 10^7
Engineering notation
7.8163947 × 10^6
Prime Factorization
3 × 3 × 9 × 73 × 13219
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
26054649
Product of the distinct prime numbers
The prime factorization of 78163947 is 3 × 3 × 9 × 73 × 13219.
Since it has a total of 5 prime factors.
9 , 9 , 22 , 43 , 749 , 935 , 1262 , 109 , 696 , 21418 , 922893 , 804063 , 6969711 , 9230277 , 29589080 , 58320962 , 846781888 , 274457175 , 4462600486 , 1477353652
n×2
156327894
n×3
234491841
n×4
312655788
n×5
390819735
n÷2
39081973.5
n÷3
26054649
n÷3
19540986.75
n÷5
15632789.4
n2
6109602610618809
n3
4.7755065464747E+23
n4
3.732724405968E+31
n5
2.9176447263369E+39
2 √n
8841.0376653422
3 √n
427.56501319647
4 √n
94.026792274023
5 √n
37.896691496841
1 , 3 , 9 , 27 , 73 , 81 , 219 , 657 , 1971 , 5913 , 13219 , 39657 , 118971 , 356913 , 964987 , 1070739 , 2894961 , 8684883 , 26054649 , 78163947
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
-78163946
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 78163947 can be divided by 20 positive divisors.
The sum of these divisors (counting 78163947) is 1, the average is 0.05.
Base
System
Value
2
Binary
100101010001010111111101011
3
Ternary
12110002010210000
4
Quaternary
10222022333223
5
Quinary
130002221242
6
Senary
11431154043
8
Octal
452127753
10
Decimal
78163947
12
Duodecimal
22215923
16
Hexadecimal
4a8afeb
20
Vigesimal
148a9h7
36
Base36
1ajbor
md5
6f92c38e21877066b06c7589e9b66b29
sha1
c40cd3e893d634e90afb1d3b9f619bc2ccb2c059
sha256
218412a28df7df059051991ce93cc730fd017099bbbdc1bb509047f3c4a8d602
sha512
53518bb738a22d7f97a3aea8fe590ab8079cde5f19ab9f24b1fcf1a0bbf9842b4194e11b164062944d8d2d339c511ead3232e2146542ab781d5f0db5a3e6d1b5
ripemd-160
e1c1b01c03aa74e96be0ef47273b7b8a25d25c02
Diameter
156327894
Circumference
491118563.34156
Area
1.9193882677873E+16
Volume
2.0003595044767E+24
Surface area
7.6775530711492E+16
Circumference
491118563.34156
Perimeter
312655788
Area
6109602610618809
Diagonal
110540513.93601
Surface area
36657615663712854
Volume
4.7755065464747E+23
Space diagonal
135383927.52412
Perimeter
234491841
Area
2.6455355339118E+15
Altitude
67691963.76206
Surface area
2.6455355339118E+15
Volume
5.6279884376884E+22
Height
36846837.978671