1621947047 is an odd 10-digits composite number following 1621947046
and preceding 1621947048 . In scientific notation, it is written as 1.621947047 × 10^9.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 1389644064 positive integers (up to 1621947047) that are relatively prime to 1621947047.
1621947047 has 8 divisors, whose sum is 1854448800
The reverse of 1621947047 is 7407491261
Previous prime number is 2389
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 41
Digital Root 5
Name
one billion six hundred twenty-one million nine hundred forty-seven thousand forty-seven
Scientific notation
1.621947047 × 10^9
Engineering notation
1.621947047 × 10^9
Prime Factorization
7 × 2389 × 96989
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1621947047
Product of the distinct prime numbers
The prime factorization of 1621947047 is 7 × 2389 × 96989.
Since it has a total of 3 prime factors.
10 , 5 , 70 , 59 , 730 , 709 , 4521 , 5541 , 2630 , 81799 , 336747 , 425757 , 687054 , 4533799 , 26722640 , 53061652 , 289635487 , 114190943 , 2911076929 , 5759915467
n×2
3243894094
n×3
4865841141
n×4
6487788188
n×5
8109735235
n÷2
810973523.5
n÷3
540649015.66667
n÷3
405486761.75
n÷5
324389409.4
n2
2630712223272020209
n3
4.2668759220429E+27
n4
6.9206468016728E+36
n5
1.1224922643303E+46
2 √n
40273.40371759
3 √n
1174.9306244236
4 √n
200.68234530618
5 √n
69.503605510556
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
-1621947046
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 1621947047 can be divided by 8 positive divisors.
The sum of these divisors (counting 1621947047) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100000101011001111001010100111
3
Ternary
11012000222110001212
4
Quaternary
1200223033022213
5
Quinary
11310204301142
6
Senary
424535542035
8
Octal
14053171247
10
Decimal
1621947047
12
Duodecimal
39322a91b
16
Hexadecimal
60acf2a7
20
Vigesimal
156h37c7
36
Base36
qtnycn
md5
2176f5d1d8c919544ba76497f2fde87b
sha1
871628842f67a29636ef3a72ab3e3d2d18afe36b
sha256
804ca3235e1bbcf37da300426cbce5116955b21f7521bc8fae7b54405b2573b7
sha512
64407682fb6e61706e8f29cc4562c59ceaceff2091fb63c781035b4b8365dd2ae337d51685808367601e3fdeb2b3d33668309f5706041bb26c6fd20538d4f9a8
ripemd-160
597d8f5fead3838d2701c7dd4d6ec7cb9cddf64c
Diameter
3243894094
Circumference
10190993854.734
Area
8.2646261943402E+18
Volume
1.7873048067292E+28
Surface area
3.3058504777361E+19
Circumference
10190993854.734
Perimeter
6487788188
Area
2630712223272020209
Diagonal
2293779511.3184
Surface area
1.5784273339632E+19
Volume
4.2668759220429E+27
Space diagonal
2809294692.5903
Perimeter
4865841141
Area
1.1391318076999E+18
Altitude
1404647346.2952
Surface area
1.1391318076999E+18
Volume
5.0285614982635E+26
Height
764593170.43946