71355981 is an odd 8-digits composite number following 71355980
and preceding 71355982 . In scientific notation, it is written as 7.1355981 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 47548592 positive integers (up to 71355981) that are relatively prime to 71355981.
71355981 has 8 divisors, whose sum is 95185440
The reverse of 71355981 is 18955317
Previous prime number is 2939
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-one million three hundred fifty-five thousand nine hundred eighty-one
Scientific notation
7.1355981 × 10^7
Engineering notation
7.1355981 × 10^6
Prime Factorization
3 × 2939 × 8093
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71355981
Product of the distinct prime numbers
The prime factorization of 71355981 is 3 × 2939 × 8093.
Since it has a total of 3 prime factors.
2 , 2 , 66 , 96 , 77 , 411 , 4675 , 8580 , 51261 , 77697 , 259404 , 400986 , 9203794 , 3511465 , 7450999 , 76818845 , 276022182 , 899301010 , 7095846640 , 4366785971
n×2
142711962
n×3
214067943
n×4
285423924
n×5
356779905
n÷2
35677990.5
n÷3
23785327
n÷3
17838995.25
n÷5
14271196.2
n2
5091676024472361
n3
3.6332153766041E+23
n4
2.5925164738187E+31
n5
1.8499155624799E+39
2 √n
8447.2469479707
3 √n
414.77266496082
4 √n
91.908905705436
5 √n
37.212262531967
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
-71355980
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 71355981 can be divided by 8 positive divisors.
The sum of these divisors (counting 71355981) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000001100111001001101
3
Ternary
11222021021000010
4
Quaternary
10100030321031
5
Quinary
121231342411
6
Senary
11025223433
8
Octal
420147115
10
Decimal
71355981
12
Duodecimal
1ba91b79
16
Hexadecimal
440ce4d
20
Vigesimal
125j9j1
36
Base36
16heml
md5
bf22218f0a10730c4f30b3312926e102
sha1
1de30555809ed412f51bb8dbfcaab6c764dd317f
sha256
132e5bd444c23cf3c1d945bc4964b225ac7442fefd236fc6b3d0d2b4da64111b
sha512
ca5fcfe7d34a5741b7bdb1f5e1cd8cb56fd8fb3947ba752c87aa7d019949629e3d7f748a183416c4e4727b33ea3d1bed4bbb9f14ae8aeaa8fc6e94cbdb42a710
ripemd-160
df9ae8549a874c73733031da9ad3e6b4eeb9e3d5
Diameter
142711962
Circumference
448342851.39859
Area
1.5995971992942E+16
Volume
1.5218776981398E+24
Surface area
6.3983887971767E+16
Circumference
448342851.39859
Perimeter
285423924
Area
5091676024472361
Diagonal
100912596.08664
Surface area
30550056146834166
Volume
3.6332153766041E+23
Space diagonal
123592184.51592
Perimeter
214067943
Area
2.2047603925166E+15
Altitude
61796092.25796
Surface area
2.2047603925166E+15
Volume
4.2817853838466E+22
Height
33637532.028879