640961569 is an odd 9-digits composite number following 640961568
and preceding 640961570 . In scientific notation, it is written as 6.40961569 × 10^8.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 610784160 positive integers (up to 640961569) that are relatively prime to 640961569.
640961569 has 8 divisors, whose sum is 671866272
The reverse of 640961569 is 965169046
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
six hundred forty million nine hundred sixty-one thousand five hundred sixty-nine
Scientific notation
6.40961569 × 10^8
Engineering notation
6.40961569 × 10^6
Prime Factorization
41 × 43 × 363563
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
640961569
Product of the distinct prime numbers
The prime factorization of 640961569 is 41 × 43 × 363563.
Since it has a total of 3 prime factors.
8 , 9 , 17 , 53 , 284 , 752 , 755 , 9646 , 44213 , 72242 , 159855 , 104200 , 9320818 , 5787045 , 10430786 , 63876541 , 714811206 , 906859575 , 4242339964 , 5564705772
n×2
1281923138
n×3
1922884707
n×4
2563846276
n×5
3204807845
n÷2
320480784.5
n÷3
213653856.33333
n÷3
160240392.25
n÷5
128192313.8
n2
410831732934941761
n3
2.6332735213697E+26
n4
1.6878271278633E+35
n5
1.081832324076E+44
2 √n
25317.21882435
3 √n
862.20525121356
4 √n
159.11385491009
5 √n
57.725326518075
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
-640961568
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 640961569 can be divided by 8 positive divisors.
The sum of these divisors (counting 640961569) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110001101000100110000100001
3
Ternary
1122200002012222101
4
Quaternary
212031010300201
5
Quinary
2303041232234
6
Senary
143334010401
8
Octal
4615046041
10
Decimal
640961569
12
Duodecimal
15a7a6a01
16
Hexadecimal
26344c21
20
Vigesimal
a0603i9
36
Base36
alm141
md5
e58e6902ad108ffbbca891cef079fee7
sha1
77d9f3d7d17c156da6b1cb4e42300fbee0b94746
sha256
5dc9cd977fb28b633ace2c232209a4c06ec69737072dd5c53a311c04a195431f
sha512
e4e9590210d971d13b7fcbcb8cd53ee348fb3e952e24ea25c2544dfd383d97555260b7a97e49c2ae07aed7801b8462993f4196cfbd5ed6266977eadbe10df18e
ripemd-160
0ef24038fbce7f85d0c18e748d45d2db1eef7fff
Diameter
1281923138
Circumference
4027280312.8076
Area
1.29066595405E+18
Volume
1.1030230332837E+27
Surface area
5.1626638161999E+18
Circumference
4027280312.8076
Perimeter
2563846276
Area
410831732934941761
Diagonal
906456543.83974
Surface area
2464990397609650566
Volume
2.6332735213697E+26
Space diagonal
1110178003.2071
Perimeter
1922884707
Area
1.7789535870122E+17
Altitude
555089001.60353
Surface area
1.7789535870122E+17
Volume
3.1033426061325E+25
Height
302152181.27991