649657989 is an odd 9-digits composite number following 649657988
and preceding 649657990 . In scientific notation, it is written as 6.49657989 × 10^8.
The sum of its digits is 63. It has a total of 4 prime factors and 16 positive divisors.
There are 432434376 positive integers (up to 649657989) that are relatively prime to 649657989.
649657989 has 16 divisors, whose sum is 899684352
The reverse of 649657989 is 989756946
Previous prime number is 683
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 63
Digital Root 9
Name
six hundred forty-nine million six hundred fifty-seven thousand nine hundred eighty-nine
Scientific notation
6.49657989 × 10^8
Engineering notation
6.49657989 × 10^6
Prime Factorization
27 × 3 × 683 × 11743
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
649657989
Product of the distinct prime numbers
The prime factorization of 649657989 is 27 × 3 × 683 × 11743.
Since it has a total of 4 prime factors.
2 , 1 , 15 , 93 , 392 , 615 , 1306 , 8298 , 85039 , 78762 , 180082 , 825073 , 4705905 , 9925442 , 18513748 , 59071164 , 545005644 , 981168806 , 2825382656 , 5479995820
n×2
1299315978
n×3
1948973967
n×4
2598631956
n×5
3248289945
n÷2
324828994.5
n÷3
216552663
n÷3
162414497.25
n÷5
129931597.8
n2
422055502671524121
n3
2.7419172911197E+26
n4
1.7813084733531E+35
n5
1.1572412805873E+44
2 √n
25488.389297874
3 √n
866.08714878729
4 √n
159.65083556898
5 √n
57.881124072834
1 , 3 , 27 , 81 , 683 , 2049 , 11743 , 18441 , 35229 , 55323 , 317061 , 951183 , 8020469 , 24061407 , 216552663 , 649657989
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-649657988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 649657989 can be divided by 16 positive divisors.
The sum of these divisors (counting 649657989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101110001111111010000101
3
Ternary
1200021110001020000
4
Quaternary
212232033322011
5
Quinary
2312303023424
6
Senary
144244231513
8
Octal
4656177205
10
Decimal
649657989
12
Duodecimal
16169b599
16
Hexadecimal
26b8fe85
20
Vigesimal
a3074j9
36
Base36
aqsfb9
md5
9369feb9329d5d198cfd378c6739d78d
sha1
a97a01f7312c46e97ac4fd4f206e0a53b683e8f8
sha256
89b78ad813aaf1eebd697aaf7293dde46e4f6de7962b000fd9dd0149c49c6f53
sha512
2b914b21047af60823885e3c42f72e3d7fdf69a67687853041ad568c2d82be31def388196898f2a14e20570bf12bb2aff04fab486887bcb84b6c56c79f11e158
ripemd-160
dd45f6ed58c30511e5a70418d7bb89fc3e0e8481
Diameter
1299315978
Circumference
4081921531.1766
Area
1.3259264666E+18
Volume
1.1485316291376E+27
Surface area
5.3037058664E+18
Circumference
4081921531.1766
Perimeter
2598631956
Area
422055502671524121
Diagonal
918755138.94783
Surface area
2532333016029144726
Volume
2.7419172911197E+26
Space diagonal
1125240644.491
Perimeter
1948973967
Area
1.8275539356028E+17
Altitude
562620322.24551
Surface area
1.8275539356028E+17
Volume
3.2313805166723E+25
Height
306251712.98261