71388979 is an odd 8-digits prime number following 71388978
and preceding 71388980 . In scientific notation, it is written as 7.1388979 × 10^7.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 71388978 positive integers (up to 71388979) that are relatively prime to 71388979.
71388979 has 2 divisors, whose sum is 71388980
The reverse of 71388979 is 97988317
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 52 Digital Root 7
Name
seventy-one million three hundred eighty-eight thousand nine hundred seventy-nine
Scientific notation
7.1388979 × 10^7
Engineering notation
7.1388979 × 10^6
Prime Factorization
71388979
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
71388979 Product of the distinct prime numbers
The prime factorization of 71388979 is 71388979.
Since it has a total of 1 prime factors.
8 , 3 , 44 , 21 , 22 , 79 , 1595 , 8306 , 4477 , 40211 , 329624 , 946996 , 4340873 , 3512803 , 61671608 , 51518762 , 342906349 , 537037240 , 9384933171 , 6727321754
n×2
142777958
n×3
214166937
n×4
285555916
n×5
356944895
n÷2
35694489.5
n÷3
23796326.333333
n÷3
17847244.75
n÷5
14277795.8
n2
5096386322662441
n3
3.6382581616444E+23
n4
2.5973153549821E+31
n5
1.8541969133319E+39
2 √n8449.1999029494
3 √n414.83659120304
4 √n91.919529496997
5 √n37.215703597863
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
71388980 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
35694490 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8449.1999621266 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999719845 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71388979 can be divided by 2 positive divisors.
The sum of these divisors (counting 71388979) is 71388980, the average is 35694490.
Base
System
Value
2
Binary
100010000010100111100110011
3
Ternary
11222022221021021
4
Quaternary
10100110330303
5
Quinary
121233421404
6
Senary
11030040311
8
Octal
420247463
10
Decimal
71388979
12
Duodecimal
1baa9097
16
Hexadecimal
4414f33
20
Vigesimal
1263c8j
36
Base36
16i437
md5
32caffdadf6f8bd591658b4162208e55
sha1
249d1e2b3af082fc7267a0a82ea51762491fff53
sha256
7cf6e89f67e2a6d64860619d4b1f4d730b767b29ae0841e6bc366362cfd593b4
sha512
021330a034bb15d8dc7b849afe4158f8bb9784abe1dd75a54b4aedc64344ff2b29a0b6834db9c419c390177f37038609f2841c24f612916ffbf068d301a8bba8
ripemd-160
235ff31587786d9ff5ee5302f2ab27b9e6e8be31
Diameter
142777958
Circumference
448550183.94735
Area
1.6010769831132E+16
Volume
1.523990014998E+24
Surface area
6.4043079324527E+16
Circumference
448550183.94735
Perimeter
285555916
Area
5096386322662441
Diagonal
100959262.30577
Surface area
30578317935974646
Volume
3.6382581616444E+23
Space diagonal
123649338.72847
Perimeter
214166937
Area
2.2068000114626E+15
Altitude
61824669.364234
Surface area
2.2068000114626E+15
Volume
4.2877283630101E+22
Height
33653087.435256