1989469451 is an odd 10-digits composite number following 1989469450
and preceding 1989469452 . In scientific notation, it is written as 1.989469451 × 10^9.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 1988813904 positive integers (up to 1989469451) that are relatively prime to 1989469451.
1989469451 has 4 divisors, whose sum is 1990125000
The reverse of 1989469451 is 1549649891
Previous prime number is 3049
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion nine hundred eighty-nine million four hundred sixty-nine thousand four hundred fifty-one
Scientific notation
1.989469451 × 10^9
Engineering notation
1.989469451 × 10^9
Prime Factorization
3049 × 652499
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1989469451
Product of the distinct prime numbers
The prime factorization of 1989469451 is 3049 × 652499.
Since it has a total of 2 prime factors.
10 , 9 , 38 , 100 , 754 , 350 , 4125 , 5814 , 77972 , 17294 , 109655 , 745947 , 3808510 , 7060936 , 67092452 , 6889164 , 418117747 , 274228440 , 1286217924 , 9599569768
n×2
3978938902
n×3
5968408353
n×4
7957877804
n×5
9947347255
n÷2
994734725.5
n÷3
663156483.66667
n÷3
497367362.75
n÷5
397893890.2
n2
3957988696462241401
n3
7.8742975990149E+27
n4
1.5665674521323E+37
n5
3.1166380889481E+46
2 √n
44603.469046701
3 √n
1257.705880784
4 √n
211.19533386583
5 √n
72.401481835241
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
-1989469450
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 1989469451 can be divided by 4 positive divisors.
The sum of these divisors (counting 1989469451) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110100101001110010100001011
3
Ternary
12010122112112000202
4
Quaternary
1312211032110023
5
Quinary
13033301010301
6
Senary
525225122415
8
Octal
16645162413
10
Decimal
1989469451
12
Duodecimal
47632940b
16
Hexadecimal
7694e50b
20
Vigesimal
1b1e3dcb
36
Base36
wwh8gb
md5
cbed85838856c873363044b63c07e1f7
sha1
8a8ab1e02342a8efe928b9598e4e86d59a752ddb
sha256
cb08f9d4e5922fbec294b43e31a75dee467b0cbd9bb649f9950430d1f1dacb34
sha512
b28c53cd570cc982cf337fa6860b68e4beadd0cc114b3efdafe7ecabd436b5ec6673437b0491025717c4769ac9a0e18d4eb074dde58e4f76576d871cb38a93c1
ripemd-160
604b98deba7661e4f7b76b5a0a93103f48c67a42
Diameter
3978938902
Circumference
12500205223.606
Area
1.2434388211797E+19
Volume
3.2983780652327E+28
Surface area
4.9737552847189E+19
Circumference
12500205223.606
Perimeter
7957877804
Area
3957988696462241401
Diagonal
2813534679.5312
Surface area
2.3747932178773E+19
Volume
7.8742975990149E+27
Space diagonal
3445862169.2382
Perimeter
5968408353
Area
1.713859379514E+18
Altitude
1722931084.6191
Surface area
1.713859379514E+18
Volume
9.279948715574E+26
Height
937844893.17705