2147996981 is an odd 10-digits composite number following 2147996980
and preceding 2147996982 . In scientific notation, it is written as 2.147996981 × 10^9.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 1982766432 positive integers (up to 2147996981) that are relatively prime to 2147996981.
2147996981 has 4 divisors, whose sum is 2313227532
The reverse of 2147996981 is 1896997412
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 56
Digital Root 2
Name
two billion one hundred forty-seven million nine hundred ninety-six thousand nine hundred eighty-one
Scientific notation
2.147996981 × 10^9
Engineering notation
2.147996981 × 10^9
Prime Factorization
13 × 165230537
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2147996981
Product of the distinct prime numbers
The prime factorization of 2147996981 is 13 × 165230537.
Since it has a total of 2 prime factors.
6 , 3 , 52 , 19 , 44 , 604 , 3031 , 9409 , 27217 , 40582 , 360700 , 895793 , 4780770 , 8242032 , 42490867 , 41247990 , 807154554 , 531303705 , 4861673285 , 7962947813
n×2
4295993962
n×3
6443990943
n×4
8591987924
n×5
10739984905
n÷2
1073998490.5
n÷3
715998993.66667
n÷3
536999245.25
n÷5
429599396.2
n2
4613891030385114361
n3
9.9106240039302E+27
n4
2.1287990440268E+37
n5
4.5726539197253E+46
2 √n
46346.488335148
3 √n
1290.2619464852
4 √n
215.28234561884
5 √n
73.520209059731
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
-2147996980
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 2147996981 can be divided by 4 positive divisors.
The sum of these divisors (counting 2147996981) is 1, the average is 0.25.
Base
System
Value
2
Binary
10000000000001111101010100110101
3
Ternary
12112200211112220202
4
Quaternary
2000001331110311
5
Quinary
13344341400411
6
Senary
553051010245
8
Octal
20001752465
10
Decimal
2147996981
12
Duodecimal
4bb439985
16
Hexadecimal
8007d535
20
Vigesimal
1db4jc91
36
Base36
ziv12t
md5
a20f18ef3996b28cf807f43933a05dc8
sha1
2825b05afe9764d965c1f7f12af249c5551c37bc
sha256
a51b60b738093408d10263e161e6212898b126e3a277cf246ca75934a8975e4b
sha512
1312da441415a7ab8c7d58fe1f709dacff2d165e43b8b096846a7921afca78350a5e4fbd4df625001a5c03dab77a59f1944b6502f406fb8a2a6f44dfece24e90
ripemd-160
f847f992288686ac989f16b4d53ec8395e1373dd
Diameter
4295993962
Circumference
13496263070.885
Area
1.4494966165522E+19
Volume
4.1513524750984E+28
Surface area
5.7979864662087E+19
Circumference
13496263070.885
Perimeter
8591987924
Area
4613891030385114361
Diagonal
3037726462.4667
Surface area
2.7683346182311E+19
Volume
9.9106240039302E+27
Space diagonal
3720439905.5966
Perimeter
6443990943
Area
1.9978734213033E+18
Altitude
1860219952.7983
Surface area
1.9978734213033E+18
Volume
1.1679782398282E+27
Height
1012575487.4889