71277981 is an odd 8-digits composite number following 71277980
and preceding 71277982 . In scientific notation, it is written as 7.1277981 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 47255760 positive integers (up to 71277981) that are relatively prime to 71277981.
71277981 has 8 divisors, whose sum is 95563104
The reverse of 71277981 is 18977217
Previous prime number is 181
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-one million two hundred seventy-seven thousand nine hundred eighty-one
Scientific notation
7.1277981 × 10^7
Engineering notation
7.1277981 × 10^6
Prime Factorization
3 × 181 × 131267
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71277981
Product of the distinct prime numbers
The prime factorization of 71277981 is 3 × 181 × 131267.
Since it has a total of 3 prime factors.
3 , 5 , 65 , 82 , 781 , 805 , 9581 , 5650 , 81790 , 52578 , 546531 , 886812 , 9276417 , 8217310 , 46389821 , 32274084 , 689603047 , 531736984 , 386279691 , 3363055570
n×2
142555962
n×3
213833943
n×4
285111924
n×5
356389905
n÷2
35638990.5
n÷3
23759327
n÷3
17819495.25
n÷5
14255596.2
n2
5080550575436361
n3
3.6213138738549E+23
n4
2.5811994149567E+31
n5
1.8398268285649E+39
2 √n
8442.628796767
3 √n
414.62147902058
4 √n
91.88377874667
5 √n
37.204123546569
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
-71277980
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 71277981 can be divided by 8 positive divisors.
The sum of these divisors (counting 71277981) is 1, the average is 0.125.
Base
System
Value
2
Binary
100001111111001110110011101
3
Ternary
11222010022000020
4
Quaternary
10033321312131
5
Quinary
121221343411
6
Senary
11023422353
8
Octal
417716635
10
Decimal
71277981
12
Duodecimal
1ba549b9
16
Hexadecimal
43f9d9d
20
Vigesimal
1259ej1
36
Base36
16fqfx
md5
60827b50f94afa6593bf26382adf5245
sha1
532a2e4c705990d812be973bf887f42a9100a3e7
sha256
d136150e50f200ee9a489961344d4b875b930857cc8b258be63e81aefa7f557d
sha512
f6c0ec7ae6c3fb9a870448ff9986f577f9b953d95a45c31aab8ddf87419991201083e9f18de3ff3ecd1722c3e65baaaf6c38b544b6d0c4c92f65521e978ffe45
ripemd-160
7020833215008d7bcb9c2ca3e49dd8a36934f1f2
Diameter
142555962
Circumference
447852762.94463
Area
1.5961020363982E+16
Volume
1.5168924083261E+24
Surface area
6.3844081455929E+16
Circumference
447852762.94463
Perimeter
285111924
Area
5080550575436361
Diagonal
100802287.42877
Surface area
30483303452618166
Volume
3.6213138738549E+23
Space diagonal
123457084.55293
Perimeter
213833943
Area
2.1999429317698E+15
Altitude
61728542.276465
Surface area
2.1999429317698E+15
Volume
4.2677593283462E+22
Height
33600762.476257