71319981 is an odd 8-digits composite number following 71319980
and preceding 71319982 . In scientific notation, it is written as 7.1319981 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 44312064 positive integers (up to 71319981) that are relatively prime to 71319981.
71319981 has 8 divisors, whose sum is 73429824
The reverse of 71319981 is 18991317
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-one million three hundred nineteen thousand nine hundred eighty-one
Scientific notation
7.1319981 × 10^7
Engineering notation
7.1319981 × 10^6
Prime Factorization
51 × 103 × 13577
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71319981
Product of the distinct prime numbers
The prime factorization of 71319981 is 51 × 103 × 13577.
Since it has a total of 3 prime factors.
7 , 3 , 100 , 20 , 915 , 165 , 6806 , 1242 , 74922 , 49672 , 896104 , 8991 , 3497117 , 6020235 , 93247261 , 79891163 , 176144007 , 96727293 , 3862994923 , 2781224768
n×2
142639962
n×3
213959943
n×4
285279924
n×5
356599905
n÷2
35659990.5
n÷3
23773327
n÷3
17829995.25
n÷5
14263996.2
n2
5086539689840361
n3
3.6277191403516E+23
n4
2.5872886016321E+31
n5
1.8452537390992E+39
2 √n
8445.1158073765
3 √n
414.70290053215
4 √n
91.897311208634
5 √n
37.208506962046
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
-71319980
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 71319981 can be divided by 8 positive divisors.
The sum of these divisors (counting 71319981) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000000100000110101101
3
Ternary
11222012102121210
4
Quaternary
10100010012231
5
Quinary
121224214411
6
Senary
11024345033
8
Octal
420040655
10
Decimal
71319981
12
Duodecimal
1ba75179
16
Hexadecimal
44041ad
20
Vigesimal
125ejj1
36
Base36
16gmul
md5
690c30b3ba25bd09527d25e86110e087
sha1
70eb8ac1faf0df806d531fb80a96155a8234e7d7
sha256
76a9f0dc70b1b66ed33d6f617236182fb35b216b1fd83b72448e6f9d19fa923c
sha512
1726e2b5cdcae4a2d4b56775ae096e526505edec3f945b2dfde88d7c2253ffb862a030e2823ab92d94d004ec24a06c1b9131d489b3f2667822a61921b5c55327
ripemd-160
c50bdb2b26a707ef1989146b54ddd2694df3f925
Diameter
142639962
Circumference
448116656.72753
Area
1.5979835721795E+16
Volume
1.5195754400821E+24
Surface area
6.3919342887182E+16
Circumference
448116656.72753
Perimeter
285279924
Area
5086539689840361
Diagonal
100861684.39839
Surface area
30519238139042166
Volume
3.6277191403516E+23
Space diagonal
123529830.68685
Perimeter
213959943
Area
2.2025362943798E+15
Altitude
61764915.343423
Surface area
2.2025362943798E+15
Volume
4.2753080073048E+22
Height
33620561.46613