78160981 is an odd 8-digits prime number following 78160980
and preceding 78160982 . In scientific notation, it is written as 7.8160981 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 78160980 positive integers (up to 78160981) that are relatively prime to 78160981.
78160981 has 2 divisors, whose sum is 78160982
The reverse of 78160981 is 18906187
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-eight million one hundred sixty thousand nine hundred eighty-one
Scientific notation
7.8160981 × 10^7
Engineering notation
7.8160981 × 10^6
Prime Factorization
78160981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
78160981
Product of the distinct prime numbers
The prime factorization of 78160981 is 78160981.
Since it has a total of 1 prime factors.
10 , 5 , 32 , 90 , 227 , 489 , 7338 , 4368 , 15312 , 82098 , 136191 , 254596 , 7512817 , 6588865 , 53038098 , 58431621 , 849703826 , 902828424 , 4412418818 , 5707449153
n×2
156321962
n×3
234482943
n×4
312643924
n×5
390804905
n÷2
39080490.5
n÷3
26053660.333333
n÷3
19540245.25
n÷5
15632196.2
n2
6109138950882361
n3
4.7749629346628E+23
n4
3.7321578721188E+31
n5
2.9170912053168E+39
2 √n
8840.8699232598
3 √n
427.55960501739
4 √n
94.025900278912
5 √n
37.89640388779
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
78160982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
39080491
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8840.8699798153
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999744118
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78160981 can be divided by 2 positive divisors.
The sum of these divisors (counting 78160981) is 78160982, the average is 39080491.
Base
System
Value
2
Binary
100101010001010010001010101
3
Ternary
12110001222201011
4
Quaternary
10222022101111
5
Quinary
130002122411
6
Senary
11431132221
8
Octal
452122125
10
Decimal
78160981
12
Duodecimal
22214071
16
Hexadecimal
4a8a455
20
Vigesimal
148a291
36
Base36
1aj9ed
md5
ffc793a9cb6aa177c7f2028d0fcb90d2
sha1
120fc9ee97b421cf3a067727794d8bf358f8f570
sha256
35440a487067205574a39bac15d0031890f8eea5342ee5eff7a43769ca9af579
sha512
9b6407c25208a41fc6e8f1425fe0ae97090af832ce8ebbb1a2e289ec48b31bbeea9d44a50490cf36d9ac77d3e0f97358fd9f944fcde2309ba91204c6cc101711
ripemd-160
c604ac53fab37703fbf7ebbcef0726753e1f7893
Diameter
156321962
Circumference
491099927.41394
Area
1.9192426047851E+16
Volume
2.0001317968933E+24
Surface area
7.6769704191405E+16
Circumference
491099927.41394
Perimeter
312643924
Area
6109138950882361
Diagonal
110536319.37859
Surface area
36654833705294166
Volume
4.7749629346628E+23
Space diagonal
135378790.26143
Perimeter
234482943
Area
2.6453347633566E+15
Altitude
67689395.130713
Surface area
2.6453347633566E+15
Volume
5.6273477850241E+22
Height
36845439.792862