7985890385 is an odd 10-digits composite number following 7985890384
and preceding 7985890386 . In scientific notation, it is written as 7.985890385 × 10^9.
The sum of its digits is 62. It has a total of 3 prime factors and 8 positive divisors.
There are 5807920240 positive integers (up to 7985890385) that are relatively prime to 7985890385.
7985890385 has 8 divisors, whose sum is 10454256576
The reverse of 7985890385 is 5830985897
Previous prime number is 5
Is Prime? no Number parity odd Number length 10 Sum of Digits 62 Digital Root 8
Name
seven billion nine hundred eighty-five million eight hundred ninety thousand three hundred eighty-five
Scientific notation
7.985890385 × 10^9
Engineering notation
7.985890385 × 10^9
Prime Factorization
11 × 5 × 145198007
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
7985890385 Product of the distinct prime numbers
The prime factorization of 7985890385 is 11 × 5 × 145198007.
Since it has a total of 3 prime factors.
7 , 5 , 93 , 19 , 688 , 667 , 1830 , 6812 , 97156 , 19174 , 558628 , 628605 , 5131755 , 7267786 , 99619452 , 69267691 , 169350378 , 77857027 , 9606106083 , 7397610416
n×2
15971780770
n×3
23957671155
n×4
31943561540
n×5
39929451925
n÷2
3992945192.5
n÷3
2661963461.6667
n÷3
1996472596.25
n÷5
1597178077
n2
6.3774445241235E+19
n3
5.0929572906069E+29
n4
4.0671798658273E+39
n5
3.2480052584576E+49
2 √n89363.809145537
3 √n1998.8235068176
4 √n298.93780146635
5 √n95.601491740868
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
-7985890384 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 7985890385 can be divided by 8 positive divisors.
The sum of these divisors (counting 7985890385) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011011111111110000010001010001
3
Ternary
202121112212021010222
4
Quaternary
13123333300101101
5
Quinary
112323341443020
6
Senary
3400233202425
8
Octal
73377602121
10
Decimal
7985890385
12
Duodecimal
166a560415
16
Hexadecimal
1dbff0451
20
Vigesimal
64fbg5j5
36
Base36
3o2lcgh
md5
2dc730ec8a5f022a975bda3a59d3ae90
sha1
4953a4aecbe3e5ebee10fb55cdb5d848c1493f77
sha256
31841795febb20c69d23f0967a65b020e7f73fe8e6ae6a92c126268c7f027971
sha512
4faba05a232968f36fa00dd7f445c45b5306e7a8df806dd52b3878c80b83bfa6a71f1c08b213c8e14ba8587747051dfad4d12f12fee6055f2a9af82e2996f5dd
ripemd-160
6f7f473216ae4bebebd56126ad2dd1e0f1db9b8a
Diameter
15971780770
Circumference
50176829131.779
Area
2.0035332865663E+20
Volume
2.133332961229E+30
Surface area
8.0141331462652E+20
Circumference
50176829131.779
Perimeter
31943561540
Area
6.3774445241235E+19
Diagonal
11293754490.092
Surface area
3.8264667144741E+20
Volume
5.0929572906069E+29
Space diagonal
13831967890.496
Perimeter
23957671155
Area
2.7615144845585E+19
Altitude
6915983945.2479
Surface area
2.7615144845585E+19
Volume
6.0021077274694E+28
Height
3764584830.0306