3899971985 is an odd 10-digits composite number following 3899971984
and preceding 3899971986 . In scientific notation, it is written as 3.899971985 × 10^9.
The sum of its digits is 68. It has a total of 4 prime factors and 12 positive divisors.
There are 2468551680 positive integers (up to 3899971985) that are relatively prime to 3899971985.
3899971985 has 12 divisors, whose sum is 4606501284
The reverse of 3899971985 is 5891799983
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 68
Digital Root 5
Name
three billion eight hundred ninety-nine million nine hundred seventy-one thousand nine hundred eighty-five
Scientific notation
3.899971985 × 10^9
Engineering notation
3.899971985 × 10^9
Prime Factorization
65 × 7 × 7 × 1224481
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
557138855
Product of the distinct prime numbers
The prime factorization of 3899971985 is 65 × 7 × 7 × 1224481.
Since it has a total of 4 prime factors.
9 , 5 , 72 , 37 , 948 , 402 , 2129 , 2919 , 42028 , 44531 , 506947 , 141368 , 7520991 , 3009959 , 15475559 , 47742078 , 899216098 , 924598042 , 5735103574 , 192527013
n×2
7799943970
n×3
11699915955
n×4
15599887940
n×5
19499859925
n÷2
1949985992.5
n÷3
1299990661.6667
n÷3
974992996.25
n÷5
779994397
n2
1.5209781483785E+19
n3
5.9317721684733E+28
n4
2.3133745278448E+38
n5
9.0220958494075E+47
2 √n
62449.75568407
3 √n
1574.057147621
4 √n
249.89949116409
5 √n
82.834698808683
1 , 7 , 49 , 65 , 455 , 3185 , 1224481 , 8571367 , 59999569 , 79591265 , 557138855 , 3899971985
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-3899971984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 3899971985 can be divided by 12 positive divisors.
The sum of these divisors (counting 3899971985) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11101000011101001101100110010001
3
Ternary
101001210111002210212
4
Quaternary
3220131031212101
5
Quinary
30441343100420
6
Senary
1442553533505
8
Octal
35035154621
10
Decimal
3899971985
12
Duodecimal
90a114295
16
Hexadecimal
e874d991
20
Vigesimal
30ieg9j5
36
Base36
1shxxn5
md5
825467f036e443bcdefc50de6a464cef
sha1
1ccc9cbcb7399ce015771fb19501d1d8633d7a9f
sha256
15e31f8178804d10d3b68ffd3046ded5d1cd4eeb1d437931ceacb9572ea7831a
sha512
9228903321033ea741e62d5cec042272003b6b3a05fe4d8af4b3242fd79e6601a1a8b05223ce69b4d94757d50b7b3821a37724ea97af439609ec7ad9e9b8664e
ripemd-160
5baf61c94f3347844cc932b55141684de3509263
Diameter
7799943970
Circumference
24504246674.564
Area
4.7782937772165E+19
Volume
2.4846949156325E+29
Surface area
1.9113175108866E+20
Circumference
24504246674.564
Perimeter
15599887940
Area
1.5209781483785E+19
Diagonal
5515393274.0621
Surface area
9.1258688902709E+19
Volume
5.9317721684733E+28
Space diagonal
6754949626.1152
Perimeter
11699915955
Area
6.5860285754839E+18
Altitude
3377474813.0576
Surface area
6.5860285754839E+18
Volume
6.9906605413018E+27
Height
1838464424.6874