7985890394 is an even 10-digits composite number following 7985890393
and preceding 7985890395 . In scientific notation, it is written as 7.985890394 × 10^9.
The sum of its digits is 62. It has a total of 2 prime factors and 4 positive divisors.
There are 3992945196 positive integers (up to 7985890394) that are relatively prime to 7985890394.
7985890394 has 4 divisors, whose sum is 11978835594
The reverse of 7985890394 is 4930985897
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 62
Digital Root 8
Name
seven billion nine hundred eighty-five million eight hundred ninety thousand three hundred ninety-four
Scientific notation
7.985890394 × 10^9
Engineering notation
7.985890394 × 10^9
Prime Factorization
2 × 3992945197
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
7985890394
Product of the distinct prime numbers
The prime factorization of 7985890394 is 2 × 3992945197.
Since it has a total of 2 prime factors.
9 , 10 , 10 , 86 , 246 , 73 , 544 , 35 , 63492 , 25305 , 813653 , 920571 , 2401016 , 2473496 , 82947246 , 1892451 , 339169391 , 275635998 , 6565873805 , 7626273927
n×2
15971780788
n×3
23957671182
n×4
31943561576
n×5
39929451970
n÷2
3992945197
n÷3
2661963464.6667
n÷3
1996472598.5
n÷5
1597178078.8
n2
6.3774445384981E+19
n3
5.092957307826E+29
n4
4.067179884162E+39
n5
3.2480052767599E+49
2 √n
89363.809195893
3 √n
1998.8235075685
4 √n
298.93780155058
5 √n
95.601491762416
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
-7985890393
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 7985890394 can be divided by 4 positive divisors.
The sum of these divisors (counting 7985890394) is 1, the average is 0.25.
Base
System
Value
2
Binary
111011011111111110000010001011010
3
Ternary
202121112212021011022
4
Quaternary
13123333300101122
5
Quinary
112323341443034
6
Senary
3400233202442
8
Octal
73377602132
10
Decimal
7985890394
12
Duodecimal
166a560422
16
Hexadecimal
1dbff045a
20
Vigesimal
64fbg5je
36
Base36
3o2lcgq
md5
96e2e05598284373850921d8636512fc
sha1
1c2cfe503610156899e9cadaf718d5eafda3da64
sha256
0dcce541aa312fafc0c9e051397909efe5f7222ee48650746c8df1b83c94c52e
sha512
80184d7f1717f0866865e66894a65c1d55ff263d0480a688bf295d56740d9680cd5551baf1ca09b2c3cf1bdd4a56206a980361ebc32454fd29f49b69db181d5e
ripemd-160
5f0b3c602f8fd75bf08123937f5b7f73cb0aa5cf
Diameter
15971780788
Circumference
50176829188.327
Area
2.0035332910822E+20
Volume
2.1333329684417E+30
Surface area
8.0141331643289E+20
Circumference
50176829188.327
Perimeter
31943561576
Area
6.3774445384981E+19
Diagonal
11293754502.82
Surface area
3.8264667230989E+20
Volume
5.092957307826E+29
Space diagonal
13831967906.084
Perimeter
23957671182
Area
2.7615144907829E+19
Altitude
6915983953.0421
Surface area
2.7615144907829E+19
Volume
6.0021077477623E+28
Height
3764584834.2733