645366984 is an even 9-digits composite number following 645366983
and preceding 645366985 . In scientific notation, it is written as 6.45366984 × 10^8.
The sum of its digits is 51. It has a total of 5 prime factors and 16 positive divisors.
There are 215122320 positive integers (up to 645366984) that are relatively prime to 645366984.
645366984 has 16 divisors, whose sum is 1613417520
The reverse of 645366984 is 489663546
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 51
Digital Root 6
Name
six hundred forty-five million three hundred sixty-six thousand nine hundred eighty-four
Scientific notation
6.45366984 × 10^8
Engineering notation
6.45366984 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 26890291
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
161341746
Product of the distinct prime numbers
The prime factorization of 645366984 is 2 × 2 × 2 × 3 × 26890291.
Since it has a total of 5 prime factors.
10 , 4 , 99 , 16 , 397 , 247 , 9485 , 2389 , 22931 , 39461 , 582903 , 198886 , 2057733 , 2207092 , 63090343 , 36211521 , 646886600 , 826701384 , 2685479269 , 8939007364
n×2
1290733968
n×3
1936100952
n×4
2581467936
n×5
3226834920
n÷2
322683492
n÷3
215122328
n÷3
161341746
n÷5
129073396.8
n2
416498544037256256
n3
2.6879440920572E+26
n4
1.7347103718515E+35
n5
1.1195248007953E+44
2 √n
25404.074161441
3 √n
864.17609365144
4 √n
159.38655577382
5 √n
57.804460043299
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 26890291 , 53780582 , 80670873 , 107561164 , 161341746 , 215122328 , 322683492 , 645366984
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
-645366983
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 645366984 can be divided by 16 positive divisors.
The sum of these divisors (counting 645366984) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110011101111000010011001000
3
Ternary
1122222101001001220
4
Quaternary
212131320103020
5
Quinary
2310203220414
6
Senary
144012242040
8
Octal
4635702310
10
Decimal
645366984
12
Duodecimal
160170320
16
Hexadecimal
267784c8
20
Vigesimal
a1dah94
36
Base36
ao8gco
md5
65448e01264a1ef183d5b7138f8799e8
sha1
9b23e78f28bb66a20d97044a0ef72760eb0ef816
sha256
2370cfea431a5d6ca9f27fa493e333e7da433e4e24fad3a31ff7e1c2e9c64f9f
sha512
f99560aa2cd7edff832348772b1c8a7ec653e10ccfa012e69d08e2b52dac5c83def8a91140b4692c739670ad51a3d62fa102f033ecdc19f16d768da5a32c1e50
ripemd-160
f0a01e06204db484c0936abd87d4c237c15ee55c
Diameter
1290733968
Circumference
4054960351.6076
Area
1.3084687661783E+18
Volume
1.1259233883822E+27
Surface area
5.2338750647132E+18
Circumference
4054960351.6076
Perimeter
2581467936
Area
416498544037256256
Diagonal
912686741.48062
Surface area
2498991264223537536
Volume
2.6879440920572E+26
Space diagonal
1117808405.8155
Perimeter
1936100952
Area
1.8034915988775E+17
Altitude
558904202.90775
Surface area
1.8034915988775E+17
Volume
3.1677724915732E+25
Height
304228913.82687