7139421 is an odd 7-digits composite number following 7139420
and preceding 7139422 . In scientific notation, it is written as 7.139421 × 10^6.
The sum of its digits is 27. It has a total of 5 prime factors and 20 positive divisors.
There are 4508136 positive integers (up to 7139421) that are relatively prime to 7139421.
7139421 has 20 divisors, whose sum is 11228800
The reverse of 7139421 is 1249317
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 27
Digital Root 9
Name
seven million one hundred thirty-nine thousand four hundred twenty-one
Scientific notation
7.139421 × 10^6
Engineering notation
7.139421 × 10^6
Prime Factorization
19 × 9 × 3 × 3 × 4639
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2379807
Product of the distinct prime numbers
The prime factorization of 7139421 is 19 × 9 × 3 × 3 × 4639.
Since it has a total of 5 prime factors.
4 , 9 , 16 , 28 , 412 , 206 , 4983 , 7230 , 7325 , 63740 , 844610 , 554021 , 3348536 , 450551 , 63781204 , 81753475 , 173538095 , 855341447 , 6514818973 , 8045855392
n×2
14278842
n×3
21418263
n×4
28557684
n×5
35697105
n÷2
3569710.5
n÷3
2379807
n÷3
1784855.25
n÷5
1427884.2
n2
50971332215241
n3
3.6390579961547E+20
n4
2.5980767077965E+27
n5
1.8548763407253E+34
2 √n
2671.9694983289
3 √n
192.55479184659
4 √n
51.691096896167
5 √n
23.481865624877
1 , 3 , 9 , 19 , 27 , 57 , 81 , 171 , 513 , 1539 , 4639 , 13917 , 41751 , 88141 , 125253 , 264423 , 375759 , 793269 , 2379807 , 7139421
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7139420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7139421 can be divided by 20 positive divisors.
The sum of these divisors (counting 7139421) is 1, the average is 0.05.
Base
System
Value
2
Binary
11011001111000001011101
3
Ternary
111102201110000
4
Quaternary
123033001131
5
Quinary
3311430141
6
Senary
413004513
8
Octal
33170135
10
Decimal
7139421
12
Duodecimal
2483739
16
Hexadecimal
6cf05d
20
Vigesimal
24c8b1
36
Base36
490t9
md5
fedba527b553d6c7a4b0f3bf2b625dec
sha1
9e7ed0a0f79d02c51aa840d7a66fb1795ad06b88
sha256
58a1394121ae873fb72028794b2dcdf2f3b67493212af2adc596f51ec095d5a4
sha512
008776b8620986da45faf0d68be68a933e14593fe31736de11dbba5d2d402fe15a94be1e3df7cde40882c56c89161c4b4896121c5e238034e36a392edabdb19e
ripemd-160
b5e4b740426b4da316a451bce04ea8dc6ee70979
Diameter
14278842
Circumference
44858305.128969
Area
1.6013116283109E+14
Volume
1.5243250488942E+21
Surface area
6.4052465132434E+14
Circumference
44858305.128969
Perimeter
28557684
Area
50971332215241
Diagonal
10096666.005691
Surface area
305827993291446
Volume
3.6390579961547E+20
Space diagonal
12365839.908624
Perimeter
21418263
Area
22071234281567
Altitude
6182919.9543121
Surface area
22071234281567
Volume
4.2886709770202E+19
Height
3365555.3352304