1640378887 is an odd 10-digits composite number following 1640378886
and preceding 1640378888 . In scientific notation, it is written as 1.640378887 × 10^9.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 1404557952 positive integers (up to 1640378887) that are relatively prime to 1640378887.
1640378887 has 8 divisors, whose sum is 1876693536
The reverse of 1640378887 is 7888730461
Previous prime number is 953
Is Prime? no Number parity odd Number length 10 Sum of Digits 52 Digital Root 7
Name
one billion six hundred forty million three hundred seventy-eight thousand eight hundred eighty-seven
Scientific notation
1.640378887 × 10^9
Engineering notation
1.640378887 × 10^9
Prime Factorization
7 × 953 × 245897
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1640378887 Product of the distinct prime numbers
The prime factorization of 1640378887 is 7 × 953 × 245897.
Since it has a total of 3 prime factors.
2 , 1 , 8 , 31 , 484 , 118 , 4430 , 3003 , 48466 , 40871 , 99654 , 382212 , 9393890 , 5340135 , 68304309 , 85529892 , 484349252 , 515096844 , 37809273 , 2211445000
n×2
3280757774
n×3
4921136661
n×4
6561515548
n×5
8201894435
n÷2
820189443.5
n÷3
546792962.33333
n÷3
410094721.75
n÷5
328075777.4
n2
2690842892915358769
n3
4.4140018697724E+27
n4
7.2406354743531E+36
n5
1.1877385560592E+46
2 √n40501.591166274
3 √n1179.3645163423
4 √n201.25007122054
5 √n69.660860390864
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
-1640378886 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 1640378887 can be divided by 8 positive divisors.
The sum of these divisors (counting 1640378887) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001110001100011001000000111
3
Ternary
11020022122212210121
4
Quaternary
1201301203020013
5
Quinary
11324414111022
6
Senary
430435002411
8
Octal
14161431007
10
Decimal
1640378887
12
Duodecimal
399439407
16
Hexadecimal
61c63207
20
Vigesimal
15cc7747
36
Base36
r4n0g7
md5
fa6e9073e7bb8b1f8ef4c1c23a8f2d74
sha1
e0e37721313475f8fbf43a6ed3a7d4fcfb73109b
sha256
a5b0ca109d92b05662d82a855ad40f333a4836e6c4a2f48450821b300e300e03
sha512
34d93d41632b67519e3eb337ce33ba55a71eb25e0556be5bb5522d3daa6c437ecaf45b5a00f2dd0123baa362bc1b09c74dc138a3f369ed74e8a9f495020a0661
ripemd-160
fe5485dd626e1285476fbe14f9f9bec51044e82c
Diameter
3280757774
Circumference
10306804521.006
Area
8.4535322643472E+18
Volume
1.8489327796011E+28
Surface area
3.3814129057389E+19
Circumference
10306804521.006
Perimeter
6561515548
Area
2690842892915358769
Diagonal
2319846069.4259
Surface area
1.6145057357492E+19
Volume
4.4140018697724E+27
Space diagonal
2841219575.9473
Perimeter
4921136661
Area
1.1651691514288E+18
Altitude
1420609787.9736
Surface area
1.1651691514288E+18
Volume
5.2019510904769E+26
Height
773282023.14196