71387993 is an odd 8-digits composite number following 71387992
and preceding 71387994 . In scientific notation, it is written as 7.1387993 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 71302068 positive integers (up to 71387993) that are relatively prime to 71387993.
71387993 has 4 divisors, whose sum is 71473920
The reverse of 71387993 is 39978317
Previous prime number is 839
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-one million three hundred eighty-seven thousand nine hundred ninety-three
Scientific notation
7.1387993 × 10^7
Engineering notation
7.1387993 × 10^6
Prime Factorization
839 × 85087
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71387993
Product of the distinct prime numbers
The prime factorization of 71387993 is 839 × 85087.
Since it has a total of 2 prime factors.
9 , 4 , 57 , 75 , 700 , 625 , 4533 , 9531 , 37973 , 43197 , 565358 , 71289 , 5614810 , 39221 , 56941253 , 1071193 , 198250825 , 529203534 , 2227860287 , 2923534123
n×2
142775986
n×3
214163979
n×4
285551972
n×5
356939965
n÷2
35693996.5
n÷3
23795997.666667
n÷3
17846998.25
n÷5
14277598.6
n2
5096245544568049
n3
3.6381074126191E+23
n4
2.597171865053E+31
n5
1.854068869222E+39
2 √n
8449.1415540278
3 √n
414.83468133419
4 √n
91.91921210513
5 √n
37.215600795198
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
-71387992
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 71387993 can be divided by 4 positive divisors.
The sum of these divisors (counting 71387993) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000010100101101011001
3
Ternary
11222022212220202
4
Quaternary
10100110231121
5
Quinary
121233403433
6
Senary
11030031545
8
Octal
420245531
10
Decimal
71387993
12
Duodecimal
1baa85b5
16
Hexadecimal
4414b59
20
Vigesimal
12639jd
36
Base36
16i3bt
md5
5458920db9eb5940a49542d686e2c884
sha1
c561bae81ec974c103c37e3efb911deabce6856e
sha256
8088e0ecedfc95b69ffcc5c2d1c1eb7e36706c5fa69731b2c22c978eb264fb47
sha512
00e375679921d94fb2fcb55c5e00d6da99ca31d1713d166253b2171edab611fe1c7e079d12d67f495134a89ecc52436771e57eb504df95a457a758ec61c5971f
ripemd-160
ff067b038cd2a2839c6de4398772367e72129d81
Diameter
142775986
Circumference
448543988.72664
Area
1.6010327563705E+16
Volume
1.5239268693939E+24
Surface area
6.4041310254819E+16
Circumference
448543988.72664
Perimeter
285551972
Area
5096245544568049
Diagonal
100957867.8912
Surface area
30577473267408294
Volume
3.6381074126191E+23
Space diagonal
123647630.92637
Perimeter
214163979
Area
2.2067390527596E+15
Altitude
61823815.463186
Surface area
2.2067390527596E+15
Volume
4.28755070358E+22
Height
33652622.630399