71389390 is an even 8-digits composite number following 71389389
and preceding 71389391 . In scientific notation, it is written as 7.1389390 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 28522624 positive integers (up to 71389390) that are relatively prime to 71389390.
71389390 has 16 divisors, whose sum is 128650032
The reverse of 71389390 is 09398317
Previous prime number is 977
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-one million three hundred eighty-nine thousand three hundred ninety
Scientific notation
7.1389390 × 10^7
Engineering notation
7.1389390 × 10^6
Prime Factorization
2 × 5 × 977 × 7307
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71389390
Product of the distinct prime numbers
The prime factorization of 71389390 is 2 × 5 × 977 × 7307.
Since it has a total of 4 prime factors.
4 , 5 , 77 , 79 , 399 , 774 , 7015 , 2650 , 62965 , 12027 , 273875 , 577355 , 1008079 , 8878889 , 93974284 , 84477738 , 381951836 , 79523423 , 5376936633 , 1851260313
n×2
142778780
n×3
214168170
n×4
285557560
n×5
356946950
n÷2
35694695
n÷3
23796463.333333
n÷3
17847347.5
n÷5
14277878
n2
5096445004572100
n3
3.6383210004495E+23
n4
2.5973751684628E+31
n5
1.8542502887771E+39
2 √n
8449.2242247439
3 √n
414.83738729937
4 √n
91.919661796288
5 √n
37.215746449348
1 , 2 , 5 , 10 , 977 , 1954 , 4885 , 7307 , 9770 , 14614 , 36535 , 73070 , 7138939 , 14277878 , 35694695 , 71389390
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71389389
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71389390 can be divided by 16 positive divisors.
The sum of these divisors (counting 71389390) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010101000011001110
3
Ternary
11222022221211111
4
Quaternary
10100111003032
5
Quinary
121233430030
6
Senary
11030042234
8
Octal
420250316
10
Decimal
71389390
12
Duodecimal
1baa937a
16
Hexadecimal
44150ce
20
Vigesimal
1263d9a
36
Base36
16i4em
md5
243ce959f0f20c58e1a5ebace5decee4
sha1
2339c5b105ec6d2c273f423a0731a1512642b5d9
sha256
2c1bf2c0d472e75dc617000468b251ecab3d96d9565a8c33f908e61e41d87c91
sha512
08801aadff30c587937f4635f978fca5b35fa12c0c0f4601a62d3da17f0da753bc9ba88b397504c6e3b6522db4dc7b74ac1b80a887825f260fad2e49d2e49cd7
ripemd-160
771513273c1ab6e289efa5e508b08c41ea1e8f74
Diameter
142778780
Circumference
448552766.33651
Area
1.6010954185788E+16
Volume
1.5240163368551E+24
Surface area
6.4043816743152E+16
Circumference
448552766.33651
Perimeter
285557560
Area
5096445004572100
Diagonal
100959843.54754
Surface area
30578670027432600
Volume
3.6383210004495E+23
Space diagonal
123650050.60135
Perimeter
214168170
Area
2.2068254214749E+15
Altitude
61825025.300675
Surface area
2.2068254214749E+15
Volume
4.2878024192521E+22
Height
33653281.182514