642243398 is an even 9-digits composite number following 642243397
and preceding 642243399 . In scientific notation, it is written as 6.42243398 × 10^8.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 305564160 positive integers (up to 642243398) that are relatively prime to 642243398.
642243398 has 16 divisors, whose sum is 1010473056
The reverse of 642243398 is 893342246
Previous prime number is 193
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
six hundred forty-two million two hundred forty-three thousand three hundred ninety-eight
Scientific notation
6.42243398 × 10^8
Engineering notation
6.42243398 × 10^6
Prime Factorization
2 × 23 × 193 × 72341
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642243398
Product of the distinct prime numbers
The prime factorization of 642243398 is 2 × 23 × 193 × 72341.
Since it has a total of 4 prime factors.
3 , 8 , 100 , 52 , 788 , 201 , 7685 , 8201 , 21248 , 38974 , 840448 , 73892 , 6643912 , 1461553 , 82859860 , 4811717 , 976039919 , 200143943 , 4242181064 , 3225197760
n×2
1284486796
n×3
1926730194
n×4
2568973592
n×5
3211216990
n÷2
321121699
n÷3
214081132.66667
n÷3
160560849.5
n÷5
128448679.6
n2
412476582274586404
n3
2.6491036179546E+26
n4
1.7013693092492E+35
n5
1.0926932064251E+44
2 √n
25342.521539894
3 √n
862.77962978275
4 √n
159.19334640585
5 √n
57.748396505798
1 , 2 , 23 , 46 , 193 , 386 , 4439 , 8878 , 72341 , 144682 , 1663843 , 3327686 , 13961813 , 27923626 , 321121699 , 642243398
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
-642243397
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 642243398 can be divided by 16 positive divisors.
The sum of these divisors (counting 642243398) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010001111101101101000110
3
Ternary
1122202111100022112
4
Quaternary
212101331231012
5
Quinary
2303403242043
6
Senary
143421301022
8
Octal
4621755506
10
Decimal
642243398
12
Duodecimal
15b104772
16
Hexadecimal
2647db46
20
Vigesimal
a0e089i
36
Base36
amdi6e
md5
f0303ba56d997a25b1d0e3c9b3bad53c
sha1
75951e8578ea996b471da749f24f25c1ea1a1e12
sha256
3f91043ec6857776b318e80492faa5b2269008888827c1b93eebc5929a4c6446
sha512
1004241134542dcb77cb4f77a4edb08f19b90260cdcaf34d1f24b7f0b04fe7f9f0ebcbe6330e78f743f073c3955acc2380f1552d2e5cea1d99fb3b314f86b916
ripemd-160
457a3a2dc3947d59c628a9e03ca8d10a3c27eb59
Diameter
1284486796
Circumference
4035334281.9467
Area
1.2958334006517E+18
Volume
1.1096539286352E+27
Surface area
5.1833336026067E+18
Circumference
4035334281.9467
Perimeter
2568973592
Area
412476582274586404
Diagonal
908269323.79618
Surface area
2474859493647518424
Volume
2.6491036179546E+26
Space diagonal
1112398196.1617
Perimeter
1926730194
Area
1.7860759935799E+17
Altitude
556199098.08084
Surface area
1.7860759935799E+17
Volume
3.1219985538692E+25
Height
302756441.26539