1949920981 is an odd 10-digits composite number following 1949920980
and preceding 1949920982 . In scientific notation, it is written as 1.949920981 × 10^9.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 1949828364 positive integers (up to 1949920981) that are relatively prime to 1949920981.
1949920981 has 4 divisors, whose sum is 1950013600
The reverse of 1949920981 is 1890299491
Previous prime number is 60259
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 52
Digital Root 7
Name
one billion nine hundred forty-nine million nine hundred twenty thousand nine hundred eighty-one
Scientific notation
1.949920981 × 10^9
Engineering notation
1.949920981 × 10^9
Prime Factorization
60259 × 32359
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1949920981
Product of the distinct prime numbers
The prime factorization of 1949920981 is 60259 × 32359.
Since it has a total of 2 prime factors.
8 , 2 , 86 , 28 , 827 , 805 , 3374 , 2353 , 37958 , 38586 , 512442 , 882130 , 5759590 , 6679858 , 24510055 , 5047104 , 661920648 , 548863098 , 7184989020 , 8194413596
n×2
3899841962
n×3
5849762943
n×4
7799683924
n×5
9749604905
n÷2
974960490.5
n÷3
649973660.33333
n÷3
487480245.25
n÷5
389984196.2
n2
3802191832144002361
n3
7.4139736272844E+27
n4
1.4456662728423E+37
n5
2.8189349969392E+46
2 √n
44157.909608585
3 √n
1249.3161018416
4 √n
210.13783478609
5 √n
72.111312868151
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
-1949920980
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 1949920981 can be divided by 4 positive divisors.
The sum of these divisors (counting 1949920981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110100001110010110111011010101
3
Ternary
12000220010020201121
4
Quaternary
1310032112323111
5
Quinary
12443134432411
6
Senary
521253323541
8
Octal
16416267325
10
Decimal
1949920981
12
Duodecimal
4650365b1
16
Hexadecimal
74396ed5
20
Vigesimal
1a970291
36
Base36
w8xknp
md5
510a20981d8272cb400c5e6b008150f1
sha1
075c60a1c33691acef3e4434f000829197a36434
sha256
15d2704b095e8588be266a010158e9e0189813c30bced493ffcd7b9ea75029a1
sha512
936f04abd9345029d2b8430452752440ce5e4a09da2030e05010f191d3b0b48df2ae5b6b9b9d60362e30b62edd7d5bc1e43c36bf611404cea0e7ad153cd7d447
ripemd-160
b8bf840ca2a8f6f920adaed806ce476d47ffde4e
Diameter
3899841962
Circumference
12251714857.98
Area
1.1944937927403E+19
Volume
3.1055580108514E+28
Surface area
4.7779751709611E+19
Circumference
12251714857.98
Perimeter
7799683924
Area
3802191832144002361
Diagonal
2757604696.8861
Surface area
2.2813150992864E+19
Volume
7.4139736272844E+27
Space diagonal
3377362209.8365
Perimeter
5849762943
Area
1.6463973583492E+18
Altitude
1688681104.9183
Surface area
1.6463973583492E+18
Volume
8.7374517123184E+26
Height
919201565.62868