71297978 is an even 8-digits composite number following 71297977
and preceding 71297979 . In scientific notation, it is written as 7.1297978 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 35435356 positive integers (up to 71297978) that are relatively prime to 71297978.
71297978 has 8 divisors, whose sum is 107587872
The reverse of 71297978 is 87979217
Previous prime number is 167
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
seventy-one million two hundred ninety-seven thousand nine hundred seventy-eight
Scientific notation
7.1297978 × 10^7
Engineering notation
7.1297978 × 10^6
Prime Factorization
2 × 167 × 213467
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71297978
Product of the distinct prime numbers
The prime factorization of 71297978 is 2 × 167 × 213467.
Since it has a total of 3 prime factors.
7 , 3 , 30 , 30 , 828 , 877 , 4607 , 2642 , 33065 , 14967 , 296630 , 237202 , 6934637 , 6555978 , 2205487 , 74152743 , 910345990 , 57822897 , 176065677 , 6704779264
n×2
142595956
n×3
213893934
n×4
285191912
n×5
356489890
n÷2
35648989
n÷3
23765992.666667
n÷3
17824494.5
n÷5
14259595.6
n2
5083401666888484
n3
3.6243626021098E+23
n4
2.5840972506925E+31
n5
1.8424090892973E+39
2 √n
8443.8130012453
3 √n
414.66024934094
4 √n
91.890222555206
5 √n
37.206210831798
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71297977
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71297978 can be divided by 8 positive divisors.
The sum of these divisors (counting 71297978) is 1, the average is 0.125.
Base
System
Value
2
Binary
100001111111110101110111010
3
Ternary
11222011022102212
4
Quaternary
10033332232322
5
Quinary
121223013403
6
Senary
11024055122
8
Octal
417765672
10
Decimal
71297978
12
Duodecimal
1ba644a2
16
Hexadecimal
43febba
20
Vigesimal
125c4ii
36
Base36
16g5ve
md5
71c003b7795c2ebefcc327a79906b045
sha1
99cbd78fd67a77d192ce33e027608332b93a8903
sha256
4d9e82e2660d31af50c4245e8ca78c2a034c4386562b61c2db31d833f6f6763a
sha512
94941bc3b1a219ecd57d194fe356ad3e6df281051d01adc6ffe4b585309acb9ad46d23c04232d9fa38ad2458be4e685f466a3dd979f072035794c81c4f4c7ffa
ripemd-160
139738af21ec2206d3175d8c8b0743090ce55044
Diameter
142595956
Circumference
447978407.80121
Area
1.5969977331943E+16
Volume
1.5181694566312E+24
Surface area
6.3879909327772E+16
Circumference
447978407.80121
Perimeter
285191912
Area
5083401666888484
Diagonal
100830567.45738
Surface area
30500410001330904
Volume
3.6243626021098E+23
Space diagonal
123491720.37293
Perimeter
213893934
Area
2.2011774905828E+15
Altitude
61745860.186464
Surface area
2.2011774905828E+15
Volume
4.2713522890512E+22
Height
33610189.15246