71663978 is an even 8-digits composite number following 71663977
and preceding 71663979 . In scientific notation, it is written as 7.1663978 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 35831988 positive integers (up to 71663978) that are relatively prime to 71663978.
71663978 has 4 divisors, whose sum is 107495970
The reverse of 71663978 is 87936617
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-one million six hundred sixty-three thousand nine hundred seventy-eight
Scientific notation
7.1663978 × 10^7
Engineering notation
7.1663978 × 10^6
Prime Factorization
2 × 35831989
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71663978
Product of the distinct prime numbers
The prime factorization of 71663978 is 2 × 35831989.
Since it has a total of 2 prime factors.
7 , 3 , 99 , 15 , 782 , 637 , 2064 , 6527 , 25455 , 8073 , 840665 , 607635 , 4984996 , 3534635 , 73955364 , 47517128 , 27141074 , 31748304 , 6236247977 , 5848276596
n×2
143327956
n×3
214991934
n×4
286655912
n×5
358319890
n÷2
35831989
n÷3
23887992.666667
n÷3
17915994.5
n÷5
14332795.6
n2
5135725742784484
n3
3.6804653664494E+23
n4
2.6375678905099E+31
n5
1.8901860727901E+39
2 √n
8465.4579320909
3 √n
415.36857564071
4 √n
92.007923202792
5 √n
37.244331400892
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
-71663977
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 71663978 can be divided by 4 positive divisors.
The sum of these divisors (counting 71663978) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010001011000000101101010
3
Ternary
11222211220111102
4
Quaternary
10101120011222
5
Quinary
121321221403
6
Senary
11040001402
8
Octal
421300552
10
Decimal
71663978
12
Duodecimal
20000262
16
Hexadecimal
445816a
20
Vigesimal
127hjii
36
Base36
16o0a2
md5
1c4e845cd98b5a75918e4636342f0ea2
sha1
aa713ab74e86d9951c69f0660d0c76d9a75e9571
sha256
e6fc96bbae0425e505fe9c8d7669a3b95e2f1f2dda389151f69485b35a32bb43
sha512
722cb58a04db61f0e6e7eeb82eda75765a67c87d7dd07a3f5f9d6837ff880e83213881d0da00e3efc1b9d6617afc126caef152537730baf7b5c155f141659176
ripemd-160
e1a10ceb3f8fc3b2e6ab00c32b1e73f45231756d
Diameter
143327956
Circumference
450278053.62364
Area
1.6134358264384E+16
Volume
1.5416697276039E+24
Surface area
6.4537433057535E+16
Circumference
450278053.62364
Perimeter
286655912
Area
5135725742784484
Diagonal
101348169.62121
Surface area
30814354456706904
Volume
3.6804653664494E+23
Space diagonal
124125650.9685
Perimeter
214991934
Area
2.2238344800605E+15
Altitude
62062825.484249
Surface area
2.2238344800605E+15
Volume
4.3374700308977E+22
Height
33782723.207069