642912392 is an even 9-digits composite number following 642912391
and preceding 642912393 . In scientific notation, it is written as 6.42912392 × 10^8.
The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors.
There are 302546944 positive integers (up to 642912392) that are relatively prime to 642912392.
642912392 has 16 divisors, whose sum is 1276370460
The reverse of 642912392 is 293219246
Previous prime number is 17
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
six hundred forty-two million nine hundred twelve thousand three hundred ninety-two
Scientific notation
6.42912392 × 10^8
Engineering notation
6.42912392 × 10^6
Prime Factorization
2 × 2 × 2 × 17 × 4727297
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
160728098
Product of the distinct prime numbers
The prime factorization of 642912392 is 2 × 2 × 2 × 17 × 4727297.
Since it has a total of 5 prime factors.
1 , 3 , 92 , 68 , 343 , 638 , 2786 , 2193 , 93078 , 87482 , 194972 , 157677 , 5331006 , 3220576 , 56395970 , 58193124 , 509270263 , 9028249 , 7270296805 , 3453434014
n×2
1285824784
n×3
1928737176
n×4
2571649568
n×5
3214561960
n÷2
321456196
n÷3
214304130.66667
n÷3
160728098
n÷5
128582478.4
n2
413336343787161664
n3
2.6573905748474E+26
n4
1.7084693309534E+35
n5
1.0983961042219E+44
2 √n
25355.717146237
3 √n
863.0790978149
4 √n
159.23478623164
5 √n
57.760422240575
1 , 2 , 4 , 8 , 17 , 34 , 68 , 136 , 4727297 , 9454594 , 18909188 , 37818376 , 80364049 , 160728098 , 321456196 , 642912392
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
-642912391
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 642912392 can be divided by 16 positive divisors.
The sum of these divisors (counting 642912392) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010100100001000010001000
3
Ternary
1122210202100000002
4
Quaternary
212110201002020
5
Quinary
2304041144032
6
Senary
143443502132
8
Octal
4624410210
10
Decimal
642912392
12
Duodecimal
15b387948
16
Hexadecimal
26521088
20
Vigesimal
a0i40jc
36
Base36
amrudk
md5
9a3fa30748ca1b74901d2f54eea6c6d1
sha1
323c2ab186bba70c8391118b16000a43ac5c2b2e
sha256
f999c9bbb1c586a7514ff9d942896d3d09e2fd393c5f3da79db87cc9d5b963bf
sha512
2850aed70e2a7342d1d4b6f5464cbc9fb4878e6f60afb074edecf9b435b6e3bba7cb2396f67b9a5f3d36da4dcd0225759ec21d2f545df619809220805499e5a4
ripemd-160
5a6326c1198cbbf0964ce4431330ef8d9a19b7ae
Diameter
1285824784
Circumference
4039537695.2181
Area
1.2985344211034E+18
Volume
1.1131251610212E+27
Surface area
5.1941376844136E+18
Circumference
4039537695.2181
Perimeter
2571649568
Area
413336343787161664
Diagonal
909215424.18413
Surface area
2480018062722969984
Volume
2.6573905748474E+26
Space diagonal
1113556927.7596
Perimeter
1928737176
Area
1.7897988701353E+17
Altitude
556778463.87982
Surface area
1.7897988701353E+17
Volume
3.1317648262263E+25
Height
303071808.06138