649642738 is an even 9-digits composite number following 649642737
and preceding 649642739 . In scientific notation, it is written as 6.49642738 × 10^8.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 324821368 positive integers (up to 649642738) that are relatively prime to 649642738.
649642738 has 4 divisors, whose sum is 974464110
The reverse of 649642738 is 837246946
Previous prime number is 2
Is Prime? no Number parity even Number length 9 Sum of Digits 49 Digital Root 4
Name
six hundred forty-nine million six hundred forty-two thousand seven hundred thirty-eight
Scientific notation
6.49642738 × 10^8
Engineering notation
6.49642738 × 10^6
Prime Factorization
2 × 324821369
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
649642738 Product of the distinct prime numbers
The prime factorization of 649642738 is 2 × 324821369.
Since it has a total of 2 prime factors.
9 , 6 , 73 , 6 , 89 , 449 , 9142 , 7769 , 11409 , 59322 , 135236 , 471665 , 7609176 , 5964261 , 41918445 , 48081051 , 865067938 , 426823069 , 9287539045 , 5511038965
n×2
1299285476
n×3
1948928214
n×4
2598570952
n×5
3248213690
n÷2
324821369
n÷3
216547579.33333
n÷3
162410684.5
n÷5
129928547.6
n2
422035687036136644
n3
2.7417241925987E+26
n4
1.7811412113206E+35
n5
1.157105453287E+44
2 √n25488.090120682
3 √n866.08037147846
4 √n159.64989859277
5 √n57.880852313438
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
-649642737 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 649642738 can be divided by 4 positive divisors.
The sum of these divisors (counting 649642738) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101110001100001011110010
3
Ternary
1200021102021022011
4
Quaternary
212232030023302
5
Quinary
2312302031423
6
Senary
144244033134
8
Octal
4656141362
10
Decimal
649642738
12
Duodecimal
1616927aa
16
Hexadecimal
26b8c2f2
20
Vigesimal
a3056gi
36
Base36
aqs3jm
md5
d164497a99f801b72d043f470afb2676
sha1
44beb37e80793256c2071ecf09a46655caa13a6d
sha256
388ac764034d24012078ffa9bfcaedf937a2a5899261069cad15e212089cb5c2
sha512
f75258917f1f6b818f2f43e280c0653b2fc4574c0d8a8fc29d643d2f034e1444662fd06cc168c56c14eb31a8ea0c68cb1c56b188a289e96d2ef0cc29f0e7abfd
ripemd-160
aa1b5f67239605bc18cc619b71f9310f59875685
Diameter
1299285476
Circumference
4081825706.3175
Area
1.3258642139454E+18
Volume
1.1484507442183E+27
Surface area
5.3034568557818E+18
Circumference
4081825706.3175
Perimeter
2598570952
Area
422035687036136644
Diagonal
918733570.77679
Surface area
2532214122216819864
Volume
2.7417241925987E+26
Space diagonal
1125214228.9842
Perimeter
1948928214
Area
1.8274681313846E+17
Altitude
562607114.49208
Surface area
1.8274681313846E+17
Volume
3.2311529478829E+25
Height
306244523.59226