642912698 is an even 9-digits composite number following 642912697
and preceding 642912699 . In scientific notation, it is written as 6.42912698 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 289392576 positive integers (up to 642912698) that are relatively prime to 642912698.
642912698 has 16 divisors, whose sum is 1065493440
The reverse of 642912698 is 896219246
Previous prime number is 23
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred forty-two million nine hundred twelve thousand six hundred ninety-eight
Scientific notation
6.42912698 × 10^8
Engineering notation
6.42912698 × 10^6
Prime Factorization
2 × 17 × 23 × 822139
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642912698
Product of the distinct prime numbers
The prime factorization of 642912698 is 2 × 17 × 23 × 822139.
Since it has a total of 4 prime factors.
8 , 7 , 29 , 46 , 450 , 966 , 3642 , 2073 , 54728 , 65498 , 599303 , 703638 , 7852226 , 9034478 , 23005628 , 81403691 , 955299166 , 419567163 , 9175374790 , 2171278216
n×2
1285825396
n×3
1928738094
n×4
2571650792
n×5
3214563490
n÷2
321456349
n÷3
214304232.66667
n÷3
160728174.5
n÷5
128582539.6
n2
413336737249639204
n3
2.6573943692768E+26
n4
1.7084725836018E+35
n5
1.0983987181824E+44
2 √n
25355.723180379
3 √n
863.07923474499
4 √n
159.23480517895
5 √n
57.760427738894
1 , 2 , 17 , 23 , 34 , 46 , 391 , 782 , 822139 , 1644278 , 13976363 , 18909197 , 27952726 , 37818394 , 321456349 , 642912698
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
-642912697
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 642912698 can be divided by 16 positive divisors.
The sum of these divisors (counting 642912698) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010100100001000110111010
3
Ternary
1122210202100102102
4
Quaternary
212110201012322
5
Quinary
2304041201243
6
Senary
143443503402
8
Octal
4624410672
10
Decimal
642912698
12
Duodecimal
15b387b62
16
Hexadecimal
265211ba
20
Vigesimal
a0i41ei
36
Base36
amrum2
md5
ea4bc54209218ed683714effaa5b7a40
sha1
500cc2b2f4e2267de7b39cf727a7e2e4953223c2
sha256
b02c529b300ec69246d7cb7a13450231e857c94e4dda45676cc74f21d291969c
sha512
d0e75b4cb6994f3f6e8c632a6d7232bbc23f15c5242eb3e7b226760948c1a99652b94ad9218c4936aaf0b7d65685a5e0af6c3b8063acf49fc2b8e73dfedf1c87
ripemd-160
a4c1993c14c8b4cc731f6ff8e9b67da450f9958d
Diameter
1285825396
Circumference
4039539617.8728
Area
1.2985356572022E+18
Volume
1.1131267504281E+27
Surface area
5.194142628809E+18
Circumference
4039539617.8728
Perimeter
2571650792
Area
413336737249639204
Diagonal
909215856.93348
Surface area
2480020423497835224
Volume
2.6573943692768E+26
Space diagonal
1113557457.7672
Perimeter
1928738094
Area
1.7898005738778E+17
Altitude
556778728.88359
Surface area
1.7898005738778E+17
Volume
3.1317692980043E+25
Height
303071952.31116