7985890 is an even 7-digits composite number following 7985889
and preceding 7985891 . In scientific notation, it is written as 7.985890 × 10^6.
The sum of its digits is 46. It has a total of 5 prime factors and 32 positive divisors.
There are 2750400 positive integers (up to 7985890) that are relatively prime to 7985890.
7985890 has 32 divisors, whose sum is 16511040
The reverse of 7985890 is 0985897
Previous prime number is 19
Is Prime? no
Number parity even
Number length 7
Sum of Digits 46
Digital Root 1
Name
seven million nine hundred eighty-five thousand eight hundred ninety
Scientific notation
7.985890 × 10^6
Engineering notation
7.985890 × 10^6
Prime Factorization
2 × 11 × 5 × 19 × 3821
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7985890
Product of the distinct prime numbers
The prime factorization of 7985890 is 2 × 11 × 5 × 19 × 3821.
Since it has a total of 5 prime factors.
5 , 1 , 55 , 20 , 671 , 86 , 6670 , 3288 , 68870 , 14252 , 408698 , 650168 , 8558719 , 4357440 , 14895873 , 10720795 , 319880056 , 835199251 , 6480716371 , 3776947208
n×2
15971780
n×3
23957670
n×4
31943560
n×5
39929450
n÷2
3992945
n÷3
2661963.3333333
n÷3
1996472.5
n÷5
1597178
n2
63774439092100
n3
5.0929565540121E+20
n4
4.067179081512E+27
n5
3.2480044755256E+34
2 √n
2825.9317047657
3 √n
199.88234746965
4 √n
53.159493082287
5 √n
24.014008762053
1 , 2 , 5 , 10 , 11 , 19 , 22 , 38 , 55 , 95 , 110 , 190 , 209 , 418 , 1045 , 2090 , 3821 , 7642 , 19105 , 38210 , 42031 , 72599 , 84062 , 145198 , 210155 , 362995 , 420310 , 725990 , 798589 , 1597178 , 3992945 , 7985890
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7985889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7985890 can be divided by 32 positive divisors.
The sum of these divisors (counting 7985890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11110011101101011100010
3
Ternary
120000201120201
4
Quaternary
132131223202
5
Quinary
4021022030
6
Senary
443055414
8
Octal
36355342
10
Decimal
7985890
12
Duodecimal
281156a
16
Hexadecimal
79dae2
20
Vigesimal
29i4ea
36
Base36
4r5ya
md5
7c3065ac4648364c2f5ea0914d488b0f
sha1
3f2a7b5aff1765ef8f73bcb52ec6f65a0a6a4f34
sha256
a592dcad619dacb53240713b7b3019656b3ea3eb82def65e8dfd5dd07f2910b7
sha512
28610effb44b49803ff9cb893903d4ddd15277772fe3c6e2df907fb49bc595dbcfb4c73dc975003a4f8f984ed4f75d257806378dc9636e3b94b1b0a896fc7622
ripemd-160
fc7ef44abcb0cdb599a3797be8f4c8f14914b329
Diameter
15971780
Circumference
50176826.712752
Area
2.0035330933855E+14
Volume
2.1333326526849E+21
Surface area
8.014132373542E+14
Circumference
50176826.712752
Perimeter
31943560
Area
63774439092100
Diagonal
11293753.94562
Surface area
382646634552600
Volume
5.0929565540121E+20
Space diagonal
13831967.223656
Perimeter
23957670
Area
27615142182931
Altitude
6915983.6118281
Surface area
27615142182931
Volume
6.0021068593841E+19
Height
3764584.6485399