1649394489 is an odd 10-digits composite number following 1649394488
and preceding 1649394490 . In scientific notation, it is written as 1.649394489 × 10^9.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 1097337456 positive integers (up to 1649394489) that are relatively prime to 1649394489.
1649394489 has 8 divisors, whose sum is 2203710400
The reverse of 1649394489 is 9844939461
Previous prime number is 487
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 57
Digital Root 3
Name
one billion six hundred forty-nine million three hundred ninety-four thousand four hundred eighty-nine
Scientific notation
1.649394489 × 10^9
Engineering notation
1.649394489 × 10^9
Prime Factorization
3 × 487 × 1128949
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1649394489
Product of the distinct prime numbers
The prime factorization of 1649394489 is 3 × 487 × 1128949.
Since it has a total of 3 prime factors.
4 , 4 , 38 , 31 , 291 , 615 , 9511 , 6649 , 41743 , 20684 , 761640 , 403417 , 2895341 , 7647174 , 45296494 , 47750072 , 117886900 , 242254795 , 3487095200 , 5630556045
n×2
3298788978
n×3
4948183467
n×4
6597577956
n×5
8246972445
n÷2
824697244.5
n÷3
549798163
n÷3
412348622.25
n÷5
329878897.8
n2
2720502180343571121
n3
4.4871813035712E+27
n4
7.4011321132541E+36
n5
1.2207386519962E+46
2 √n
40612.738014076
3 √n
1181.521184982
4 √n
201.52602316841
5 √n
69.737264500831
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
-1649394488
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 1649394489 can be divided by 8 positive divisors.
The sum of these divisors (counting 1649394489) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100010010011111100001100111001
3
Ternary
11020221121220212210
4
Quaternary
1202103330030321
5
Quinary
11334221110424
6
Senary
431400125333
8
Octal
14223741471
10
Decimal
1649394489
12
Duodecimal
3a0466849
16
Hexadecimal
624fc339
20
Vigesimal
15f8e649
36
Base36
ra08xl
md5
a256496dd7cabdc17c5e613823b558d2
sha1
3f122d2e295aef898e7d29d4455412e47e2593d5
sha256
6488eafcd90e767f0b60197ff5f39c1d874aee52247585096c4d0f712a368b8f
sha512
d37fff8840826147324dc7bb5937609e373bdb8cd9323e7fef2f8dccebd7db5b6f9d68a23ad125b1bde6d157ff8bb7944c4d64c527ab84993e6d9d14f1758e1b
ripemd-160
d79164b981f9479aba9ab9405db6106b8f1fba46
Diameter
3298788978
Circumference
10363451219.028
Area
8.5467096638424E+18
Volume
1.87958610915E+28
Surface area
3.418683865537E+19
Circumference
10363451219.028
Perimeter
6597577956
Area
2720502180343571121
Diagonal
2332596056.0472
Surface area
1.6323013082061E+19
Volume
4.4871813035712E+27
Space diagonal
2856835056.6721
Perimeter
4948183467
Area
1.1780119996142E+18
Altitude
1428417528.3361
Surface area
1.1780119996142E+18
Volume
5.2881938802811E+26
Height
777532018.68241