71370991 is an odd 8-digits composite number following 71370990
and preceding 71370992 . In scientific notation, it is written as 7.1370991 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 71127112 positive integers (up to 71370991) that are relatively prime to 71370991.
71370991 has 4 divisors, whose sum is 71614872
The reverse of 71370991 is 19907317
Previous prime number is 293
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
seventy-one million three hundred seventy thousand nine hundred ninety-one
Scientific notation
7.1370991 × 10^7
Engineering notation
7.1370991 × 10^6
Prime Factorization
293 × 243587
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71370991
Product of the distinct prime numbers
The prime factorization of 71370991 is 293 × 243587.
Since it has a total of 2 prime factors.
4 , 4 , 78 , 81 , 781 , 41 , 2952 , 1729 , 78797 , 14000 , 933059 , 327423 , 7187739 , 5381121 , 49532136 , 46625646 , 68381188 , 854338023 , 9023319782 , 1476776515
n×2
142741982
n×3
214112973
n×4
285483964
n×5
356854955
n÷2
35685495.5
n÷3
23790330.333333
n÷3
17842747.75
n÷5
14274198.2
n2
5093818356322081
n3
3.635508640647E+23
n4
2.5946985447204E+31
n5
1.8518620648295E+39
2 √n
8448.1353563967
3 √n
414.80174592048
4 √n
91.913738670542
5 √n
37.213827948239
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71370990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71370991 can be divided by 4 positive divisors.
The sum of these divisors (counting 71370991) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000010000100011101111
3
Ternary
11222022000121001
4
Quaternary
10100100203233
5
Quinary
121232332431
6
Senary
11025421131
8
Octal
420204357
10
Decimal
71370991
12
Duodecimal
1ba9a7a7
16
Hexadecimal
44108ef
20
Vigesimal
126179b
36
Base36
16hq7j
md5
90f9da025824c3fb2c2fd948cfb8fb30
sha1
ee92672383a8bca8b80095087a8023c8bf550670
sha256
ddbd5bfcdee6909dc8bc8d458d8c5c2054a079890c9b84a0afeb8a3384badf5c
sha512
7ea2be552444628c73e180597148662b4ee28756701462a6b9bdbe5b8bc4ac14f7617f18dc2c9247662a2a2f2afbeade52e6fed71b8c8b5e236517d55744946d
ripemd-160
39d50a75d9c3e90fced0241855fed12601120661
Diameter
142741982
Circumference
448437162.01005
Area
1.6002702326942E+16
Volume
1.5228382983358E+24
Surface area
6.4010809307769E+16
Circumference
448437162.01005
Perimeter
285483964
Area
5093818356322081
Diagonal
100933823.43221
Surface area
30562910137932486
Volume
3.635508640647E+23
Space diagonal
123618182.59854
Perimeter
214112973
Area
2.2056880494192E+15
Altitude
61809091.299271
Surface area
2.2056880494192E+15
Volume
4.2844880214396E+22
Height
33644607.810736