1621387268 is an even 10-digits composite number following 1621387267
and preceding 1621387269 . In scientific notation, it is written as 1.621387268 × 10^9.
The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors.
There are 764830080 positive integers (up to 1621387268) that are relatively prime to 1621387268.
1621387268 has 24 divisors, whose sum is 2999193120
The reverse of 1621387268 is 8627831261
Previous prime number is 241
Is Prime? no
Number parity even
Number length 10
Sum of Digits 44
Digital Root 8
Name
one billion six hundred twenty-one million three hundred eighty-seven thousand two hundred sixty-eight
Scientific notation
1.621387268 × 10^9
Engineering notation
1.621387268 × 10^9
Prime Factorization
2 × 2 × 19 × 241 × 88523
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
810693634
Product of the distinct prime numbers
The prime factorization of 1621387268 is 2 × 2 × 19 × 241 × 88523.
Since it has a total of 5 prime factors.
3 , 9 , 44 , 77 , 924 , 832 , 4432 , 6220 , 63335 , 30348 , 771240 , 963538 , 7954380 , 8805886 , 4710386 , 81427256 , 658254217 , 644882824 , 3105488918 , 5878101933
n×2
3242774536
n×3
4864161804
n×4
6485549072
n×5
8106936340
n÷2
810693634
n÷3
540462422.66667
n÷3
405346817
n÷5
324277453.6
n2
2628896672832503824
n3
4.2624595942182E+27
n4
6.9110977164298E+36
n5
1.1205565845323E+46
2 √n
40266.453382437
3 √n
1174.7954418007
4 √n
200.66502780115
5 √n
69.49880732296
1 , 2 , 4 , 19 , 38 , 76 , 241 , 482 , 964 , 4579 , 9158 , 18316 , 88523 , 177046 , 354092 , 1681937 , 3363874 , 6727748 , 21334043 , 42668086 , 85336172 , 405346817 , 810693634 , 1621387268
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1621387267
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1621387268 can be divided by 24 positive divisors.
The sum of these divisors (counting 1621387268) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1100000101001000110100000000100
3
Ternary
11011222221000012022
4
Quaternary
1200221012200010
5
Quinary
11310033343033
6
Senary
424515542312
8
Octal
14051064004
10
Decimal
1621387268
12
Duodecimal
392bba998
16
Hexadecimal
60a46804
20
Vigesimal
156dd838
36
Base36
qtbyf8
md5
45e35c1e526ea32004902c3c6de854da
sha1
2777bab54460cf6c26262f2db457b31497f37374
sha256
3d9e5298af7516fb4dbc5d52d9606ca04ab6643acf7165fe92e29a05b1016820
sha512
9395d2cdf1a79ac566b8024cec3125c910559b12c7282867653b5f21f694ea0043c83e229a0437189750c8e9352f74f779b888a968edc2ff664190c474107bb7
ripemd-160
de8df35959dc1a7908fb3c2a38b39263243bf35c
Diameter
3242774536
Circumference
10187476659.546
Area
8.2589224744172E+18
Volume
1.7854548996559E+28
Surface area
3.3035689897669E+19
Circumference
10187476659.546
Perimeter
6485549072
Area
2628896672832503824
Diagonal
2292987864.2647
Surface area
1.5773380036995E+19
Volume
4.2624595942182E+27
Space diagonal
2808325126.9213
Perimeter
4864161804
Area
1.1383456512987E+18
Altitude
1404162563.4606
Surface area
1.1383456512987E+18
Volume
5.0233568060089E+26
Height
764329288.08822