71388149 is an odd 8-digits composite number following 71388148
and preceding 71388150 . In scientific notation, it is written as 7.1388149 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 57968568 positive integers (up to 71388149) that are relatively prime to 71388149.
71388149 has 8 divisors, whose sum is 82200960
The reverse of 71388149 is 94188317
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
seventy-one million three hundred eighty-eight thousand one hundred forty-nine
Scientific notation
7.1388149 × 10^7
Engineering notation
7.1388149 × 10^6
Prime Factorization
133 × 7 × 76679
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71388149
Product of the distinct prime numbers
The prime factorization of 71388149 is 133 × 7 × 76679.
Since it has a total of 3 prime factors.
4 , 3 , 86 , 34 , 180 , 211 , 3988 , 9120 , 73683 , 25254 , 194837 , 161546 , 1692578 , 4832562 , 72359094 , 19600930 , 893166619 , 759434309 , 3817477285 , 8677496861
n×2
142776298
n×3
214164447
n×4
285552596
n×5
356940745
n÷2
35694074.5
n÷3
23796049.666667
n÷3
17847037.25
n÷5
14277629.8
n2
5096267817646201
n3
3.6381312631003E+23
n4
2.5971945669176E+31
n5
1.8540891272511E+39
2 √n
8449.1507857299
3 √n
414.83498350528
4 √n
91.919262321506
5 √n
37.215617060198
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
-71388148
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 71388149 can be divided by 8 positive divisors.
The sum of these divisors (counting 71388149) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000010100101111110101
3
Ternary
11222022220010112
4
Quaternary
10100110233311
5
Quinary
121233410044
6
Senary
11030032405
8
Octal
420245765
10
Decimal
71388149
12
Duodecimal
1baa8705
16
Hexadecimal
4414bf5
20
Vigesimal
1263a79
36
Base36
16i3g5
md5
eb828a448188dfbc1d7c5b0019f5b79a
sha1
971e8caaf23b446b248555d443fcdaa9378f25c9
sha256
097f94fa1e9fc9c5026c8229c9f30c2a1a718c253e8f0fd89b9af40a22d8cb7b
sha512
800989538581d5301bd15da066ff7709f20eec6b9cbaddfa95b43cd8d371ea0e0b61761b8af57bd2dc860567e02c4f46bb08f24710bfb21516c38f6462818194
ripemd-160
6d90554852106fd528b56f63982e3219496f174a
Diameter
142776298
Circumference
448544968.90355
Area
1.6010397536643E+16
Volume
1.5239368598602E+24
Surface area
6.4041590146574E+16
Circumference
448544968.90355
Perimeter
285552596
Area
5096267817646201
Diagonal
100958088.50851
Surface area
30577606905877206
Volume
3.6381312631003E+23
Space diagonal
123647901.1263
Perimeter
214164447
Area
2.2067486972853E+15
Altitude
61823950.563149
Surface area
2.2067486972853E+15
Volume
4.2875788116417E+22
Height
33652696.169504