7121245 is an odd 7-digits composite number following 7121244
and preceding 7121246 . In scientific notation, it is written as 7.121245 × 10^6.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 5684544 positive integers (up to 7121245) that are relatively prime to 7121245.
7121245 has 8 divisors, whose sum is 8564184
The reverse of 7121245 is 5421217
Previous prime number is 2557
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 22
Digital Root 4
Name
seven million one hundred twenty-one thousand two hundred forty-five
Scientific notation
7.121245 × 10^6
Engineering notation
7.121245 × 10^6
Prime Factorization
5 × 2557 × 557
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7121245
Product of the distinct prime numbers
The prime factorization of 7121245 is 5 × 2557 × 557.
Since it has a total of 3 prime factors.
2 , 1 , 17 , 20 , 72 , 421 , 8390 , 9919 , 99486 , 18297 , 948033 , 205452 , 2765812 , 3097023 , 38990957 , 91519273 , 66712714 , 859350517 , 9387028393 , 8498628578
n×2
14242490
n×3
21363735
n×4
28484980
n×5
35606225
n÷2
3560622.5
n÷3
2373748.3333333
n÷3
1780311.25
n÷5
1424249
n2
50712130350025
n3
3.6113350469446E+20
n4
2.5717201646379E+27
n5
1.8313849363827E+34
2 √n
2668.566094366
3 √n
192.39124683014
4 √n
51.658165805282
5 √n
23.469897099944
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7121244
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7121245 can be divided by 8 positive divisors.
The sum of these divisors (counting 7121245) is 1, the average is 0.125.
Base
System
Value
2
Binary
11011001010100101011101
3
Ternary
111101210111211
4
Quaternary
123022211131
5
Quinary
3310334440
6
Senary
412344421
8
Octal
33124535
10
Decimal
7121245
12
Duodecimal
2475111
16
Hexadecimal
6ca95d
20
Vigesimal
24a325
36
Base36
48msd
md5
c286d6c7f0fe1d0f8a8a12e69c94b3b5
sha1
1d9aba8b476de577640898cde2e256829813e117
sha256
ee25aaca62b519df3c09bb31ae7ba876f390461c6c7bcbe7a95233c6ce9e9275
sha512
4b202e0c82b8bd6618a8092ad039fd1eebd6bb4dd7fc6d3072dae1b225c08e162cd272b9b82a48837f0f107fb631be4439715495571435e8cf242b9ac02a8099
ripemd-160
4cfa8365044984cda6f25397104560882d65000a
Diameter
14242490
Circumference
44744101.952826
Area
1.5931685615553E+14
Volume
1.5127124870843E+21
Surface area
6.3726742462211E+14
Circumference
44744101.952826
Perimeter
28484980
Area
50712130350025
Diagonal
10070961.259982
Surface area
304272782100150
Volume
3.6113350469446E+20
Space diagonal
12334358.153146
Perimeter
21363735
Area
21958996581575
Altitude
6167179.0765729
Surface area
21958996581575
Volume
4.255999168052E+19
Height
3356987.0866605