7157421 is an odd 7-digits composite number following 7157420
and preceding 7157422 . In scientific notation, it is written as 7.157421 × 10^6.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 4757760 positive integers (up to 7157421) that are relatively prime to 7157421.
7157421 has 12 divisors, whose sum is 10368540
The reverse of 7157421 is 1247517
Previous prime number is 421
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 27
Digital Root 9
Name
seven million one hundred fifty-seven thousand four hundred twenty-one
Scientific notation
7.157421 × 10^6
Engineering notation
7.157421 × 10^6
Prime Factorization
3 × 3 × 421 × 1889
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2385807
Product of the distinct prime numbers
The prime factorization of 7157421 is 3 × 3 × 421 × 1889.
Since it has a total of 4 prime factors.
10 , 1 , 22 , 3 , 202 , 495 , 5719 , 2241 , 22888 , 81624 , 96313 , 255804 , 5185211 , 8904124 , 96655175 , 68694546 , 885086951 , 146735800 , 7323693836 , 6067868337
n×2
14314842
n×3
21472263
n×4
28629684
n×5
35787105
n÷2
3578710.5
n÷3
2385807
n÷3
1789355.25
n÷5
1431484.2
n2
51228675371241
n3
3.666651969043E+20
n4
2.624377180292E+27
n5
1.8783772342143E+34
2 √n
2675.3356798727
3 √n
192.71647991143
4 √n
51.723647201959
5 √n
23.493694258176
1 , 3 , 9 , 421 , 1263 , 1889 , 3789 , 5667 , 17001 , 795269 , 2385807 , 7157421
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7157420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7157421 can be divided by 12 positive divisors.
The sum of these divisors (counting 7157421) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11011010011011010101101
3
Ternary
111110122010200
4
Quaternary
123103122231
5
Quinary
3313014141
6
Senary
413224113
8
Octal
33233255
10
Decimal
7157421
12
Duodecimal
2492039
16
Hexadecimal
6d36ad
20
Vigesimal
24edb1
36
Base36
49ep9
md5
fedb3e32e6d18be4447849ef51afd95f
sha1
4e880e99bd7c9b04494e5ee27abf80d15dfb1762
sha256
d2e10dd977b5f5834c4fd8aa604f5a2e5c550c12c51e08799e967752bea87362
sha512
d2edeedad83327d0aaddaa2fbb430fcbc0e52279d638a530a4cde2934bbb067d00ca588b4e6a96ba9189fa9701bce79060506ab6f6801f9fcb874301ccba4b82
ripemd-160
72ba6d78faa9e97ec6c87a304c84224c0c0ae6a1
Diameter
14314842
Circumference
44971402.464499
Area
1.6093963019943E+14
Volume
1.5358835852288E+21
Surface area
6.4375852079771E+14
Circumference
44971402.464499
Perimeter
28629684
Area
51228675371241
Diagonal
10122121.849814
Surface area
307372052227446
Volume
3.666651969043E+20
Space diagonal
12397016.82316
Perimeter
21472263
Area
22182667136860
Altitude
6198508.4115802
Surface area
22182667136860
Volume
4.3211907859356E+19
Height
3374040.6166047