7985890389 is an odd 10-digits composite number following 7985890388
and preceding 7985890390 . In scientific notation, it is written as 7.985890389 × 10^9.
The sum of its digits is 66. It has a total of 2 prime factors and 4 positive divisors.
There are 5323926924 positive integers (up to 7985890389) that are relatively prime to 7985890389.
7985890389 has 4 divisors, whose sum is 10647853856
The reverse of 7985890389 is 9830985897
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 66
Digital Root 3
Name
seven billion nine hundred eighty-five million eight hundred ninety thousand three hundred eighty-nine
Scientific notation
7.985890389 × 10^9
Engineering notation
7.985890389 × 10^9
Prime Factorization
3 × 2661963463
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
7985890389
Product of the distinct prime numbers
The prime factorization of 7985890389 is 3 × 2661963463.
Since it has a total of 2 prime factors.
3 , 5 , 6 , 57 , 847 , 511 , 9429 , 2446 , 79364 , 47150 , 166705 , 246243 , 970428 , 4471702 , 50999426 , 21256229 , 835361516 , 693624028 , 6414521568 , 9688457281
n×2
15971780778
n×3
23957671167
n×4
31943561556
n×5
39929451945
n÷2
3992945194.5
n÷3
2661963463
n÷3
1996472597.25
n÷5
1597178077.8
n2
6.3774445305123E+19
n3
5.0929572982598E+29
n4
4.0671798739761E+39
n5
3.248005266592E+49
2 √n
89363.809167918
3 √n
1998.8235071513
4 √n
298.93780150379
5 √n
95.601491750445
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7985890388
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7985890389 can be divided by 4 positive divisors.
The sum of these divisors (counting 7985890389) is 1, the average is 0.25.
Base
System
Value
2
Binary
111011011111111110000010001010101
3
Ternary
202121112212021011010
4
Quaternary
13123333300101111
5
Quinary
112323341443024
6
Senary
3400233202433
8
Octal
73377602125
10
Decimal
7985890389
12
Duodecimal
166a560419
16
Hexadecimal
1dbff0455
20
Vigesimal
64fbg5j9
36
Base36
3o2lcgl
md5
93b61e6dfdf9e48046bf5b94eae30c79
sha1
b798e199fa3d614a57335a2a3a4a204db69165ab
sha256
443c0bd47710e25a2030071cee3d51e2db8036d7f0ac24327d345da6f3eee194
sha512
a7c292abe54dbc4675e862af21081bcaadcf77a7cea90a5f84e2fca1035f673bb442a1fab02df427b029111f9fefaf7f65648fedd4d43f950842bd04b4201429
ripemd-160
55a95d4e848433980476806ffccb40c4b48ad4f1
Diameter
15971780778
Circumference
50176829156.911
Area
2.0035332885734E+20
Volume
2.1333329644346E+30
Surface area
8.0141331542935E+20
Circumference
50176829156.911
Perimeter
31943561556
Area
6.3774445305123E+19
Diagonal
11293754495.749
Surface area
3.8264667183074E+20
Volume
5.0929572982598E+29
Space diagonal
13831967897.424
Perimeter
23957671167
Area
2.7615144873249E+19
Altitude
6915983948.712
Surface area
2.7615144873249E+19
Volume
6.0021077364884E+28
Height
3764584831.9163