78163913 is an odd 8-digits composite number following 78163912
and preceding 78163914 . In scientific notation, it is written as 7.8163913 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 74765460 positive integers (up to 78163913) that are relatively prime to 78163913.
78163913 has 4 divisors, whose sum is 81562368
The reverse of 78163913 is 31936187
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-eight million one hundred sixty-three thousand nine hundred thirteen
Scientific notation
7.8163913 × 10^7
Engineering notation
7.8163913 × 10^6
Prime Factorization
23 × 3398431
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78163913
Product of the distinct prime numbers
The prime factorization of 78163913 is 23 × 3398431.
Since it has a total of 2 prime factors.
5 , 3 , 10 , 97 , 698 , 991 , 4864 , 6519 , 51996 , 24721 , 622277 , 202675 , 5032875 , 9865919 , 5643803 , 44922973 , 577697731 , 480381727 , 8195355666 , 3211128884
n×2
156327826
n×3
234491739
n×4
312655652
n×5
390819565
n÷2
39081956.5
n÷3
26054637.666667
n÷3
19540978.25
n÷5
15632782.6
n2
6109597295471569
n3
4.7755003146828E+23
n4
3.7327179112834E+31
n5
2.9176383807109E+39
2 √n
8841.0357424908
3 √n
427.56495120194
4 √n
94.026782049004
5 √n
37.896688199956
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78163912
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78163913 can be divided by 4 positive divisors.
The sum of these divisors (counting 78163913) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101010001010111111001001
3
Ternary
12110002010201202
4
Quaternary
10222022333021
5
Quinary
130002221123
6
Senary
11431153545
8
Octal
452127711
10
Decimal
78163913
12
Duodecimal
222158b5
16
Hexadecimal
4a8afc9
20
Vigesimal
148a9fd
36
Base36
1ajbnt
md5
e09ad434926777920e1c9e96249fef1e
sha1
44323a23e93f8a0f79ea33dd39087efa1e807b00
sha256
59858bd6997d213462392f87a5415c7e8c35b5bff8f8a1a09bdc2ac7fa4a302d
sha512
9291e36eb2cbc1354e83a79048d3c6f2afcdcc5f163be72d0c3934458a4dfb6df6685b1be870f1cd41cd626a2602315f50d2ccca7490b03c5d9e523ac1989cc6
ripemd-160
571f126068c78d53ec1fa34cd1c524912500998a
Diameter
156327826
Circumference
491118349.71326
Area
1.9193865979846E+16
Volume
2.0003568941097E+24
Surface area
7.6775463919382E+16
Circumference
491118349.71326
Perimeter
312655652
Area
6109597295471569
Diagonal
110540465.85275
Surface area
36657583772829414
Volume
4.7755003146828E+23
Space diagonal
135383868.63439
Perimeter
234491739
Area
2.6455332323855E+15
Altitude
67691934.317197
Surface area
2.6455332323855E+15
Volume
5.6279810934511E+22
Height
36846821.950917