7985890387 is an odd 10-digits prime number following 7985890386
and preceding 7985890388 . In scientific notation, it is written as 7.985890387 × 10^9.
The sum of its digits is 64. It has a total of 1 prime factors and 2 positive divisors.
There are 7985890386 positive integers (up to 7985890387) that are relatively prime to 7985890387.
7985890387 has 2 divisors, whose sum is 7985890388
The reverse of 7985890387 is 7830985897
Previous prime number is 1
Is Prime? yes Number parity odd Number length 10 Sum of Digits 64 Digital Root 1
Name
seven billion nine hundred eighty-five million eight hundred ninety thousand three hundred eighty-seven
Scientific notation
7.985890387 × 10^9
Engineering notation
7.985890387 × 10^9
Prime Factorization
7985890387
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
7985890387 Product of the distinct prime numbers
The prime factorization of 7985890387 is 7985890387.
Since it has a total of 1 prime factors.
8 , 1 , 12 , 86 , 119 , 326 , 1676 , 1728 , 85241 , 85569 , 314357 , 715668 , 4518514 , 3869906 , 61231578 , 21604922 , 942918257 , 621450763 , 5856713795 , 1492727926
n×2
15971780774
n×3
23957671161
n×4
31943561548
n×5
39929451935
n÷2
3992945193.5
n÷3
2661963462.3333
n÷3
1996472596.75
n÷5
1597178077.4
n2
6.3774445273179E+19
n3
5.0929572944334E+29
n4
4.0671798699017E+39
n5
3.2480052625248E+49
2 √n89363.809156727
3 √n1998.8235069845
4 √n298.93780148507
5 √n95.601491745656
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
7985890388 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
3992945194 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
89363.809162323 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999997496 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7985890387 can be divided by 2 positive divisors.
The sum of these divisors (counting 7985890387) is 7985890388, the average is 3992945194.
Base
System
Value
2
Binary
111011011111111110000010001010011
3
Ternary
202121112212021011001
4
Quaternary
13123333300101103
5
Quinary
112323341443022
6
Senary
3400233202431
8
Octal
73377602123
10
Decimal
7985890387
12
Duodecimal
166a560417
16
Hexadecimal
1dbff0453
20
Vigesimal
64fbg5j7
36
Base36
3o2lcgj
md5
a86a128be4c1217b864fc7709b4734b3
sha1
22a931576989164011bab983ee7eafc3b84e9dfe
sha256
e97cd292cff61cda9dfc4a8f4dc64335e886cdccc47fb3061788ef5c538e96ad
sha512
e221ff7b0ef65daf071a3eb42f6b43aa74efa9ded806576fa038137f18a8c0cdd45f27cfbc004842087c5e5e8283b82a951691bb24943cc3568469c6df2c9f34
ripemd-160
fd60bdca1fe267598e6a4fc6dcc0148a83cc7221
Diameter
15971780774
Circumference
50176829144.345
Area
2.0035332875698E+20
Volume
2.1333329628318E+30
Surface area
8.0141331502793E+20
Circumference
50176829144.345
Perimeter
31943561548
Area
6.3774445273179E+19
Diagonal
11293754492.92
Surface area
3.8264667163907E+20
Volume
5.0929572944334E+29
Space diagonal
13831967893.96
Perimeter
23957671161
Area
2.7615144859417E+19
Altitude
6915983946.9799
Surface area
2.7615144859417E+19
Volume
6.0021077319789E+28
Height
3764584830.9734