2149742981 is an odd 10-digits prime number following 2149742980
and preceding 2149742982 . In scientific notation, it is written as 2.149742981 × 10^9.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 2149742980 positive integers (up to 2149742981) that are relatively prime to 2149742981.
2149742981 has 2 divisors, whose sum is 2149742982
The reverse of 2149742981 is 1892479412
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
two billion one hundred forty-nine million seven hundred forty-two thousand nine hundred eighty-one
Scientific notation
2.149742981 × 10^9
Engineering notation
2.149742981 × 10^9
Prime Factorization
2149742981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
2149742981
Product of the distinct prime numbers
The prime factorization of 2149742981 is 2149742981.
Since it has a total of 1 prime factors.
10 , 7 , 65 , 56 , 741 , 164 , 898 , 6999 , 49685 , 74373 , 5109 , 894979 , 4952027 , 3154472 , 65694923 , 32349767 , 215094744 , 207858602 , 6725550122 , 2081286529
n×2
4299485962
n×3
6449228943
n×4
8598971924
n×5
10748714905
n÷2
1074871490.5
n÷3
716580993.66667
n÷3
537435745.25
n÷5
429948596.2
n2
4621394884358766361
n3
9.9348112150796E+27
n4
2.1357290677177E+37
n5
4.5912685726439E+46
2 √n
46365.320887491
3 √n
1290.6114484101
4 √n
215.32608036996
5 √n
73.532157360354
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
2149742982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
1074871491
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
46365.320898275
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999990697
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2149742981 can be divided by 2 positive divisors.
The sum of these divisors (counting 2149742981) is 2149742982, the average is 1074871491.
Base
System
Value
2
Binary
10000000001000100111100110000101
3
Ternary
12112211010020222102
4
Quaternary
2000020213212011
5
Quinary
13400313233411
6
Senary
553152241445
8
Octal
20010474605
10
Decimal
2149742981
12
Duodecimal
4bbb40285
16
Hexadecimal
80227985
20
Vigesimal
1dbfhh91
36
Base36
zjwgat
md5
bc250acda69b1e22a0d946045048f4b9
sha1
6e88dbde67d53d798da2a2f4ce9e6f01196fa54d
sha256
b3365741cf21dfb56bf08155413b4fd8cba5e8eecd8923805e2e19b5696cf5c3
sha512
a5afbc608c3a329b361b245afa95abe3f0c630ea33833b189cbedb9d4a72d2b4197e3906bebaae4ac79c45f0db8dd7a438d5830642332d087708e93aceba603e
ripemd-160
9db573670af7761187c8c7b4aec314eeec4a7d67
Diameter
4299485962
Circumference
13507233512.432
Area
1.4518540218039E+19
Volume
4.1614839904127E+28
Surface area
5.8074160872156E+19
Circumference
13507233512.432
Perimeter
8598971924
Area
4621394884358766361
Diagonal
3040195679.3466
Surface area
2.7728369306153E+19
Volume
9.9348112150796E+27
Space diagonal
3723464066.3066
Perimeter
6449228943
Area
2.0011226853871E+18
Altitude
1861732033.1533
Surface area
2.0011226853871E+18
Volume
1.1708287299985E+27
Height
1013398559.7822