7121985 is an odd 7-digits composite number following 7121984
and preceding 7121986 . In scientific notation, it is written as 7.121985 × 10^6.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 3506112 positive integers (up to 7121985) that are relatively prime to 7121985.
7121985 has 8 divisors, whose sum is 8181376
The reverse of 7121985 is 5891217
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 33
Digital Root 6
Name
seven million one hundred twenty-one thousand nine hundred eighty-five
Scientific notation
7.121985 × 10^6
Engineering notation
7.121985 × 10^6
Prime Factorization
15 × 13 × 36523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7121985
Product of the distinct prime numbers
The prime factorization of 7121985 is 15 × 13 × 36523.
Since it has a total of 3 prime factors.
9 , 7 , 51 , 14 , 256 , 701 , 8699 , 6799 , 22190 , 25851 , 565382 , 329355 , 7270967 , 5479337 , 82147040 , 66095895 , 179838400 , 765218567 , 5947388953 , 90071343
n×2
14243970
n×3
21365955
n×4
28487940
n×5
35609925
n÷2
3560992.5
n÷3
2373995
n÷3
1780496.25
n÷5
1424397
n2
50722670340225
n3
3.6124609732303E+20
n4
2.5727892864431E+27
n5
1.8323366706209E+34
2 √n
2668.704742005
3 √n
192.39791067387
4 √n
51.659507759995
5 √n
23.47038485179
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
-7121984
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 7121985 can be divided by 8 positive divisors.
The sum of these divisors (counting 7121985) is 1, the average is 0.125.
Base
System
Value
2
Binary
11011001010110001000001
3
Ternary
111101211112020
4
Quaternary
123022301001
5
Quinary
3310400420
6
Senary
412352053
8
Octal
33126101
10
Decimal
7121985
12
Duodecimal
2475629
16
Hexadecimal
6cac41
20
Vigesimal
24a4j5
36
Base36
48ncx
md5
e33a97a995b94af0676eebbc7a2a5a6e
sha1
c092784bcc329e5caeadbf7d20e10e5d0b7f34dd
sha256
58c2a87caa01d2bafd91d962fc5a801bbcb09486504d0f4c8c5ebaab0ba67e6d
sha512
4dff51c194052eac5f71c03dd1376f0dd125b061f38fcf196d528f62c58453fb1a680dd620c50e0f10b4a85152c9c40766803be08555eb46f4b7053520de63c8
ripemd-160
c9a83b18417fd37f8a683bf7071e62e93f5fdfe2
Diameter
14243970
Circumference
44748751.509953
Area
1.5934996851131E+14
Volume
1.513184113984E+21
Surface area
6.3739987404523E+14
Circumference
44748751.509953
Perimeter
28487940
Area
50722670340225
Diagonal
10072007.778018
Surface area
304336022041350
Volume
3.6124609732303E+20
Space diagonal
12335639.870743
Perimeter
21365955
Area
21963560531209
Altitude
6167819.9353717
Surface area
21963560531209
Volume
4.2573260849048E+19
Height
3357335.9260059