71540981 is an odd 8-digits composite number following 71540980
and preceding 71540982 . In scientific notation, it is written as 7.1540981 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 66190528 positive integers (up to 71540981) that are relatively prime to 71540981.
71540981 has 8 divisors, whose sum is 77034240
The reverse of 71540981 is 18904517
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-one million five hundred forty thousand nine hundred eighty-one
Scientific notation
7.1540981 × 10^7
Engineering notation
7.1540981 × 10^6
Prime Factorization
59 × 17 × 71327
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71540981
Product of the distinct prime numbers
The prime factorization of 71540981 is 59 × 17 × 71327.
Since it has a total of 3 prime factors.
8 , 8 , 86 , 77 , 640 , 925 , 301 , 3837 , 30396 , 45599 , 540205 , 166603 , 4821326 , 9934721 , 84417135 , 77693977 , 453014443 , 694841872 , 8556277595 , 9206632746
n×2
143081962
n×3
214622943
n×4
286163924
n×5
357704905
n÷2
35770490.5
n÷3
23846993.666667
n÷3
17885245.25
n÷5
14308196.2
n2
5118111962442361
n3
3.6615475066096E+23
n4
2.6195070060096E+31
n5
1.874021009463E+39
2 √n
8458.1901728443
3 √n
415.13080697776
4 √n
91.968419432131
5 √n
37.231538113915
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
-71540980
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 71540981 can be divided by 8 positive divisors.
The sum of these divisors (counting 71540981) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000111010000011110101
3
Ternary
11222121122202222
4
Quaternary
10100322003311
5
Quinary
121303302411
6
Senary
11033212125
8
Octal
420720365
10
Decimal
71540981
12
Duodecimal
1bb61045
16
Hexadecimal
443a0f5
20
Vigesimal
1272c91
36
Base36
16lddh
md5
d4ab7811dca6ab5df3f8276a44a98468
sha1
c80a99064e9daea94eafcf8047032856a5fe944d
sha256
dffa1655ac1067b8d608c4a9894059f18366b499a02e681975dae21dc8d1de7f
sha512
7efdc197f1db02bc5f584dde15c906c620873bff2dc5d5a2171aa11ec1c9787fca88d806d50bd311199c961c0d584048fe8cec9b680834b0029cc468b0852de2
ripemd-160
4f36e70a438d97c2fbb6d2efdf424cbe7b82ea98
Diameter
143081962
Circumference
449505240.68041
Area
1.6079022941459E+16
Volume
1.5337454330046E+24
Surface area
6.4316091765836E+16
Circumference
449505240.68041
Perimeter
286163924
Area
5118111962442361
Diagonal
101174225.59568
Surface area
30708671774654166
Volume
3.6615475066096E+23
Space diagonal
123912613.91532
Perimeter
214622943
Area
2.2162074894441E+15
Altitude
61956306.95766
Surface area
2.2162074894441E+15
Volume
4.3151751192673E+22
Height
33724741.865225