3129129987 is an odd 10-digits composite number following 3129129986
and preceding 3129129988 . In scientific notation, it is written as 3.129129987 × 10^9.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 2018793480 positive integers (up to 3129129987) that are relatively prime to 3129129987.
3129129987 has 8 divisors, whose sum is 4306759680
The reverse of 3129129987 is 7899219213
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 51
Digital Root 6
Name
three billion one hundred twenty-nine million one hundred twenty-nine thousand nine hundred eighty-seven
Scientific notation
3.129129987 × 10^9
Engineering notation
3.129129987 × 10^9
Prime Factorization
3 × 31 × 33646559
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
3129129987
Product of the distinct prime numbers
The prime factorization of 3129129987 is 3 × 31 × 33646559.
Since it has a total of 3 prime factors.
1 , 1 , 6 , 35 , 263 , 905 , 6640 , 9578 , 73166 , 69296 , 399121 , 917129 , 681352 , 6338065 , 43135003 , 29926725 , 5817538 , 119710799 , 3039486151 , 3738095450
n×2
6258259974
n×3
9387389961
n×4
12516519948
n×5
15645649935
n÷2
1564564993.5
n÷3
1043043329
n÷3
782282496.75
n÷5
625825997.4
n2
9.7914544755426E+18
n3
3.0638733815766E+28
n4
9.5872580746624E+37
n5
2.9999776734534E+47
2 √n
55938.626967418
3 √n
1462.652647198
4 √n
236.51348157646
5 √n
79.265594441531
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
-3129129986
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 3129129987 can be divided by 8 positive divisors.
The sum of these divisors (counting 3129129987) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111010100000101011110000000011
3
Ternary
22002002000021101020
4
Quaternary
2322200223300003
5
Quinary
22402024124422
6
Senary
1234300040523
8
Octal
27240536003
10
Decimal
3129129987
12
Duodecimal
733b33143
16
Hexadecimal
ba82bc03
20
Vigesimal
28hh14j7
36
Base36
1fr045f
md5
a22964302552675ddcddd5f9ff3fea3d
sha1
5d7fb28975d0cf02c0d34c1211b6feabf5b4f3b1
sha256
42c3fa1e1b5d4ada20f6aafb59cc2b604ea319c2cdedc9de0372426eccb04cbe
sha512
0a273a87b6d4f3c5e8e77acb768f5decff843ca0a9e5aa73ac14e013d7f4f1233c495205e0b548949d2c293e3a2e47d26b52b0688e4923bface22f8ad9ed9089
ripemd-160
c880ef87ad37a66fb596c38e84bdac1de3f1e1f7
Diameter
6258259974
Circumference
19660903558.573
Area
3.0760761448324E+19
Volume
1.2833922809454E+29
Surface area
1.2304304579329E+20
Circumference
19660903558.573
Perimeter
12516519948
Area
9.7914544755426E+18
Diagonal
4425258066.0437
Surface area
5.8748726853256E+19
Volume
3.0638733815766E+28
Space diagonal
5419812120.9713
Perimeter
9387389961
Area
4.2398241579094E+18
Altitude
2709906060.4857
Surface area
4.2398241579094E+18
Volume
3.6108094080163E+27
Height
1475086022.0146