71385991 is an odd 8-digits prime number following 71385990
and preceding 71385992 . In scientific notation, it is written as 7.1385991 × 10^7.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 71385990 positive integers (up to 71385991) that are relatively prime to 71385991.
71385991 has 2 divisors, whose sum is 71385992
The reverse of 71385991 is 19958317
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-one million three hundred eighty-five thousand nine hundred ninety-one
Scientific notation
7.1385991 × 10^7
Engineering notation
7.1385991 × 10^6
Prime Factorization
71385991
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
71385991
Product of the distinct prime numbers
The prime factorization of 71385991 is 71385991.
Since it has a total of 1 prime factors.
9 , 7 , 61 , 47 , 835 , 30 , 5742 , 1094 , 44190 , 55449 , 450561 , 904633 , 9495120 , 5790723 , 59177693 , 94126600 , 363787861 , 445717309 , 7200388034 , 5290000371
n×2
142771982
n×3
214157973
n×4
285543964
n×5
356929955
n÷2
35692995.5
n÷3
23795330.333333
n÷3
17846497.75
n÷5
14277198.2
n2
5095959711052081
n3
3.6378013406953E+23
n4
2.5968805376666E+31
n5
1.8538089068994E+39
2 √n
8449.0230796229
3 √n
414.83080343278
4 √n
91.918567654326
5 √n
37.215392058503
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
71385992
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
35692996
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8449.0231388013
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999719833
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71385991 can be divided by 2 positive divisors.
The sum of these divisors (counting 71385991) is 71385992, the average is 35692996.
Base
System
Value
2
Binary
100010000010100001110000111
3
Ternary
11222022210011121
4
Quaternary
10100110032013
5
Quinary
121233322431
6
Senary
11030014411
8
Octal
420241607
10
Decimal
71385991
12
Duodecimal
1baa7407
16
Hexadecimal
4414387
20
Vigesimal
12634jb
36
Base36
16i1s7
md5
a65e450d9432079ffba635afa7cccf62
sha1
e3175ea14af92ec61ccd9d76a4f6159c087edd6a
sha256
00bc689d0bef2f1d68108889c9aa9fd20f038e1ef82c0bb16d7b47d69c70d42e
sha512
20d59cd37833e88095db7c6b80ce0931449fc35b9436e7302c414fca11ba10256333d792426dedfbbdaff9adf83046abb67ab01740f990a781c3a19721680638
ripemd-160
76f2ff2c2a9736c2935e7c3f906ed8e60dd61d37
Diameter
142771982
Circumference
448531409.78965
Area
1.6009429591231E+16
Volume
1.5237986622863E+24
Surface area
6.4037718364923E+16
Circumference
448531409.78965
Perimeter
285543964
Area
5095959711052081
Diagonal
100955036.63564
Surface area
30575758266312486
Volume
3.6378013406953E+23
Space diagonal
123644163.36065
Perimeter
214157973
Area
2.2066152832166E+15
Altitude
61822081.680327
Surface area
2.2066152832166E+15
Volume
4.2871899943586E+22
Height
33651678.878548