647438942 is an even 9-digits composite number following 647438941
and preceding 647438943 . In scientific notation, it is written as 6.47438942 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 320760960 positive integers (up to 647438942) that are relatively prime to 647438942.
647438942 has 16 divisors, whose sum is 980057232
The reverse of 647438942 is 249834746
Previous prime number is 2897
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred forty-seven million four hundred thirty-eight thousand nine hundred forty-two
Scientific notation
6.47438942 × 10^8
Engineering notation
6.47438942 × 10^6
Prime Factorization
2 × 131 × 2897 × 853
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
647438942
Product of the distinct prime numbers
The prime factorization of 647438942 is 2 × 131 × 2897 × 853.
Since it has a total of 4 prime factors.
2 , 10 , 98 , 73 , 61 , 885 , 2045 , 2220 , 72392 , 59438 , 836011 , 149886 , 1559628 , 4799834 , 81079322 , 1651439 , 810031260 , 380298472 , 5138589419 , 9929343265
n×2
1294877884
n×3
1942316826
n×4
2589755768
n×5
3237194710
n÷2
323719471
n÷3
215812980.66667
n÷3
161859735.5
n÷5
129487788.4
n2
419177183618079364
n3
2.7139163227223E+26
n4
1.7570951126599E+35
n5
1.1376118007339E+44
2 √n
25444.821516371
3 √n
865.09992140946
4 √n
159.51433012859
5 √n
57.84152884442
1 , 2 , 131 , 262 , 853 , 1706 , 2897 , 5794 , 111743 , 223486 , 379507 , 759014 , 2471141 , 4942282 , 323719471 , 647438942
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
-647438941
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 647438942 can be divided by 16 positive divisors.
The sum of these divisors (counting 647438942) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110100101110010001001011110
3
Ternary
1200010021022021002
4
Quaternary
212211302021132
5
Quinary
2311221021232
6
Senary
144124510302
8
Octal
4645621136
10
Decimal
647438942
12
Duodecimal
1609ab392
16
Hexadecimal
2697225e
20
Vigesimal
a269h72
36
Base36
apgv32
md5
dd700a964aee84133d8c3fcb6940e49b
sha1
5dcaea89fb2cbd135535ef3be4745d3ba2b31635
sha256
12c35980ac6b6ef00fc6fa9017a842fb65bc908f782d723d1c08e1ee8a8332d2
sha512
0c859829cfe591850708ad1acc703b0c33bf53b91730adb09786be4fe7825b6d08d4901710401477ff6c7c80da93a9c600575714cab5aac05c86af4c0a8484f2
ripemd-160
79e1713585e59f59df527b81b2719b878999de50
Diameter
1294877884
Circumference
4067978847.6703
Area
1.316883960607E+18
Volume
1.1368026109229E+27
Surface area
5.2675358424281E+18
Circumference
4067978847.6703
Perimeter
2589755768
Area
419177183618079364
Diagonal
915616932.58489
Surface area
2515063101708476184
Volume
2.7139163227223E+26
Space diagonal
1121397142.3426
Perimeter
1942316826
Area
1.8150904485004E+17
Altitude
560698571.17132
Surface area
1.8150904485004E+17
Volume
3.1983810589497E+25
Height
305205644.19496