642912111 is an odd 9-digits composite number following 642912110
and preceding 642912112 . In scientific notation, it is written as 6.42912111 × 10^8.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 417023856 positive integers (up to 642912111) that are relatively prime to 642912111.
642912111 has 8 divisors, whose sum is 733653840
The reverse of 642912111 is 111219246
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
six hundred forty-two million nine hundred twelve thousand one hundred eleven
Scientific notation
6.42912111 × 10^8
Engineering notation
6.42912111 × 10^6
Prime Factorization
9 × 37 × 1930667
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
642912111
Product of the distinct prime numbers
The prime factorization of 642912111 is 9 × 37 × 1930667.
Since it has a total of 3 prime factors.
7 , 8 , 51 , 22 , 741 , 42 , 9152 , 2765 , 9899 , 83093 , 603997 , 778587 , 4424148 , 7778815 , 55896720 , 26426634 , 330059359 , 136262220 , 4482223883 , 6564425944
n×2
1285824222
n×3
1928736333
n×4
2571648444
n×5
3214560555
n÷2
321456055.5
n÷3
214304037
n÷3
160728027.75
n÷5
128582422.2
n2
413335982470476321
n3
2.6573870904235E+26
n4
1.7084663440483E+35
n5
1.0983937038246E+44
2 √n
25355.71160508
3 √n
863.07897207187
4 √n
159.23476883231
5 √n
57.760417191464
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
-642912110
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 642912111 can be divided by 8 positive divisors.
The sum of these divisors (counting 642912111) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010100100000111101101111
3
Ternary
1122210202022121200
4
Quaternary
212110200331233
5
Quinary
2304041141421
6
Senary
143443500543
8
Octal
4624407557
10
Decimal
642912111
12
Duodecimal
15b387753
16
Hexadecimal
26520f6f
20
Vigesimal
a0i405b
36
Base36
amru5r
md5
ba8fb89fd6897a93718b42b1c293f291
sha1
f8246f70ec54d5f813de9db23c9ef6e009f42a86
sha256
9fab0778b861efb6cf6d35cf09970c5cc5f1fb0b7caab9e08fc4aef4d8a822df
sha512
6eba91f583b43131cb25d5a840d6e76bcf12c8c3ff3e7f4015db5fcf71f5b11b150c3d3c873cef7659eca200c09a2459ecdce9f0e6be93cb161812af28f89611
ripemd-160
be0a0fa36676c6f4628bf69a9b1cd4cf3518d25f
Diameter
1285824222
Circumference
4039535929.643
Area
1.2985332859936E+18
Volume
1.1131237014692E+27
Surface area
5.1941331439743E+18
Circumference
4039535929.643
Perimeter
2571648444
Area
413335982470476321
Diagonal
909215026.79012
Surface area
2480015894822857926
Volume
2.6573870904235E+26
Space diagonal
1113556441.0534
Perimeter
1928736333
Area
1.7897973055882E+17
Altitude
556778220.52668
Surface area
1.7897973055882E+17
Volume
3.1317607197934E+25
Height
303071675.59671