640888912 is an even 9-digits composite number following 640888911
and preceding 640888913 . In scientific notation, it is written as 6.40888912 × 10^8.
The sum of its digits is 46. It has a total of 6 prime factors and 20 positive divisors.
There are 317448800 positive integers (up to 640888912) that are relatively prime to 640888912.
640888912 has 20 divisors, whose sum is 1253330496
The reverse of 640888912 is 219888046
Previous prime number is 107
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
six hundred forty million eight hundred eighty-eight thousand nine hundred twelve
Scientific notation
6.40888912 × 10^8
Engineering notation
6.40888912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 107 × 374351
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
80111114
Product of the distinct prime numbers
The prime factorization of 640888912 is 2 × 2 × 2 × 2 × 107 × 374351.
Since it has a total of 6 prime factors.
8 , 8 , 75 , 3 , 624 , 728 , 8886 , 9907 , 94934 , 83144 , 263925 , 77876 , 5599706 , 848235 , 42287437 , 74631851 , 630737982 , 851564313 , 4787359225 , 2233525940
n×2
1281777824
n×3
1922666736
n×4
2563555648
n×5
3204444560
n÷2
320444456
n÷3
213629637.33333
n÷3
160222228
n÷5
128177782.4
n2
410738597524543744
n3
2.6323781288391E+26
n4
1.6870619549643E+35
n5
1.0812193007937E+44
2 √n
25315.783851187
3 √n
862.17267119775
4 √n
159.10934558091
5 √n
57.72401775342
1 , 2 , 4 , 8 , 16 , 107 , 214 , 428 , 856 , 1712 , 374351 , 748702 , 1497404 , 2994808 , 5989616 , 40055557 , 80111114 , 160222228 , 320444456 , 640888912
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-640888911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 640888912 can be divided by 20 positive divisors.
The sum of these divisors (counting 640888912) is 1, the average is 0.05.
Base
System
Value
2
Binary
100110001100110011000001010000
3
Ternary
1122122221112022101
4
Quaternary
212030303001100
5
Quinary
2303031421122
6
Senary
143332250144
8
Octal
4614630120
10
Decimal
640888912
12
Duodecimal
15a770954
16
Hexadecimal
26333050
20
Vigesimal
a05b25c
36
Base36
alkh1s
md5
bf4cf039d5cc74d0321fc2958d48b1cd
sha1
b023cfe32736f004890aa6f460988b01652da6fa
sha256
9b62e690910d48351f6916410e46d7482d975699c99de1b5924dd574432f4a19
sha512
c54a4d2ad2ae5230432d67ee9e05f2fadc9f698519f17c81199e1a260749d49d6396259366515b47e88a5fd10daaab7cc7f0cea55a1018c9aab3287686f5cce0
ripemd-160
7fd7d22ef29cedaee76b3c69ac9ebc7bfb055d2d
Diameter
1281777824
Circumference
4026823795.4127
Area
1.2903733605289E+18
Volume
1.1026479721375E+27
Surface area
5.1614934421155E+18
Circumference
4026823795.4127
Perimeter
2563555648
Area
410738597524543744
Diagonal
906353791.32494
Surface area
2464431585147262464
Volume
2.6323781288391E+26
Space diagonal
1110052157.5915
Perimeter
1922666736
Area
1.7785502988552E+17
Altitude
555026078.79577
Surface area
1.7785502988552E+17
Volume
3.1022873759155E+25
Height
302117930.44165