71398988 is an even 8-digits composite number following 71398987
and preceding 71398989 . In scientific notation, it is written as 7.1398988 × 10^7.
The sum of its digits is 53. It has a total of 3 prime factors and 6 positive divisors.
There are 35699492 positive integers (up to 71398988) that are relatively prime to 71398988.
71398988 has 6 divisors, whose sum is 124948236
The reverse of 71398988 is 88989317
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
seventy-one million three hundred ninety-eight thousand nine hundred eighty-eight
Scientific notation
7.1398988 × 10^7
Engineering notation
7.1398988 × 10^6
Prime Factorization
2 × 2 × 17849747
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
35699494
Product of the distinct prime numbers
The prime factorization of 71398988 is 2 × 2 × 17849747.
Since it has a total of 3 prime factors.
6 , 9 , 94 , 81 , 441 , 971 , 3270 , 3720 , 77231 , 15833 , 156992 , 233861 , 8467870 , 3119618 , 34247924 , 27381607 , 867591866 , 996910689 , 6525187395 , 2417846347
n×2
142797976
n×3
214196964
n×4
285595952
n×5
356994940
n÷2
35699494
n÷3
23799662.666667
n÷3
17849747
n÷5
14279797.6
n2
5097815487424144
n3
3.6397886681281E+23
n4
2.5987722743821E+31
n5
1.8554971043334E+39
2 √n
8449.7921867937
3 √n
414.85597750733
4 √n
91.922751192475
5 √n
37.216747095317
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71398987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71398988 can be divided by 6 positive divisors.
The sum of these divisors (counting 71398988) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100010000010111011001001100
3
Ternary
11222100102222222
4
Quaternary
10100113121030
5
Quinary
121234231423
6
Senary
11030154512
8
Octal
420273114
10
Decimal
71398988
12
Duodecimal
1bab2a38
16
Hexadecimal
441764c
20
Vigesimal
1264h98
36
Base36
16ibt8
md5
27ce85454d76be376aa451407f92a656
sha1
db1e2d0ae2251c2a016dd974f61df1e479dc4c8e
sha256
8aed7c4f219902471e21942b8c75eb6d0253189e3141ae9a91c1907cbe0803c6
sha512
2db14e3b1783d19727ccf223668ea42c3bce2c656bc2c2a691380fc40dd21c9be296de979ac4eb9513e193f7144ef991dc15d26340aec9b2ecef8378f3d89134
ripemd-160
34c5a7605abe8ae75eb2fb118b5ab87ee8f22305
Diameter
142797976
Circumference
448613072.34909
Area
1.6015259684648E+16
Volume
1.5246311120548E+24
Surface area
6.4061038738592E+16
Circumference
448613072.34909
Perimeter
285595952
Area
5097815487424144
Diagonal
100973417.16931
Surface area
30586892924544864
Volume
3.6397886681281E+23
Space diagonal
123666674.825
Perimeter
214196964
Area
2.2074188579575E+15
Altitude
61833337.4125
Surface area
2.2074188579575E+15
Volume
4.2895320821989E+22
Height
33657805.723105