71387161 is an odd 8-digits composite number following 71387160
and preceding 71387162 . In scientific notation, it is written as 7.1387161 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 67356000 positive integers (up to 71387161) that are relatively prime to 71387161.
71387161 has 8 divisors, whose sum is 75448800
The reverse of 71387161 is 16178317
Previous prime number is 251
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
seventy-one million three hundred eighty-seven thousand one hundred sixty-one
Scientific notation
7.1387161 × 10^7
Engineering notation
7.1387161 × 10^6
Prime Factorization
19 × 251 × 14969
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71387161
Product of the distinct prime numbers
The prime factorization of 71387161 is 19 × 251 × 14969.
Since it has a total of 3 prime factors.
7 , 6 , 67 , 13 , 120 , 26 , 1293 , 5490 , 30518 , 64474 , 265357 , 960856 , 377890 , 1727679 , 30833733 , 48072531 , 582611664 , 277956630 , 7075103640 , 9623313339
n×2
142774322
n×3
214161483
n×4
285548644
n×5
356935805
n÷2
35693580.5
n÷3
23795720.333333
n÷3
17846790.25
n÷5
14277432.2
n2
5096126755639921
n3
3.6379802118127E+23
n4
2.5970507909549E+31
n5
1.8539608293908E+39
2 √n
8449.0923181132
3 √n
414.8330697476
4 √n
91.918944283065
5 √n
37.215514048049
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
-71387160
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 71387161 can be divided by 8 positive divisors.
The sum of these divisors (counting 71387161) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000010100100000011001
3
Ternary
11222022211202221
4
Quaternary
10100110200121
5
Quinary
121233342121
6
Senary
11030024041
8
Octal
420244031
10
Decimal
71387161
12
Duodecimal
1baa8021
16
Hexadecimal
4414819
20
Vigesimal
12637i1
36
Base36
16i2op
md5
e78b82513daa155b644241fe1913508a
sha1
725920a726d8f0c35d592e6836c9f71ef6e94100
sha256
ca0bd186033b91363c2614eda00bc5a37db489d7d03494ce19b4c30c39645977
sha512
e89595775dd335246d0f2c6be8524c1d33c0b8542c82e8fc1bad185a16a612aa0669829e62a31de193445b3f8272d2974ba63db368196910c4a560e1b001a768
ripemd-160
eb8fa42a75c504a8c0913629ac549fce3c7683aa
Diameter
142774322
Circumference
448538761.11646
Area
1.6009954377281E+16
Volume
1.5238735876448E+24
Surface area
6.4039817509123E+16
Circumference
448538761.11646
Perimeter
285548644
Area
5096126755639921
Diagonal
100956691.26551
Surface area
30576760533839526
Volume
3.6379802118127E+23
Space diagonal
123646189.8601
Perimeter
214161483
Area
2.2066876156449E+15
Altitude
61823094.93005
Surface area
2.2066876156449E+15
Volume
4.2874007959921E+22
Height
33652230.421837