642904219 is an odd 9-digits composite number following 642904218
and preceding 642904220 . In scientific notation, it is written as 6.42904219 × 10^8.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 611990400 positive integers (up to 642904219) that are relatively prime to 642904219.
642904219 has 8 divisors, whose sum is 674442720
The reverse of 642904219 is 912409246
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
six hundred forty-two million nine hundred four thousand two hundred nineteen
Scientific notation
6.42904219 × 10^8
Engineering notation
6.42904219 × 10^6
Prime Factorization
29 × 71 × 312241
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
642904219
Product of the distinct prime numbers
The prime factorization of 642904219 is 29 × 71 × 312241.
Since it has a total of 3 prime factors.
6 , 5 , 80 , 14 , 372 , 21 , 1113 , 4840 , 92409 , 93383 , 558598 , 872802 , 6560103 , 5099735 , 60728188 , 38337322 , 552890663 , 546544121 , 7270938915 , 6296484949
n×2
1285808438
n×3
1928712657
n×4
2571616876
n×5
3214521095
n÷2
321452109.5
n÷3
214301406.33333
n÷3
160726054.75
n÷5
128580843.8
n2
413325834807999961
n3
2.6572892301976E+26
n4
1.7083824571973E+35
n5
1.0983262893977E+44
2 √n
25355.555978917
3 √n
863.07544051237
4 √n
159.23428016265
5 √n
57.760275384382
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
-642904218
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 642904219 can be divided by 8 positive divisors.
The sum of these divisors (counting 642904219) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010100011111000010011011
3
Ternary
1122210201220210101
4
Quaternary
212110133002123
5
Quinary
2304040413334
6
Senary
143443400231
8
Octal
4624370233
10
Decimal
642904219
12
Duodecimal
15b383077
16
Hexadecimal
2651f09b
20
Vigesimal
a0i30aj
36
Base36
amro2j
md5
7666b40a7eaf32c13d140b86803c15d8
sha1
0a38f5cc3834a22f845406012dae5930a396a307
sha256
72f2279dded2dcc04a1132928254650bfb9a56ebe5f6cdfc253e098c916781c8
sha512
191548b5f3de1c7a6965dd1ee32118ecaacbbd8d12e9f89b86863c244df89ad43c6baaf428c768de84972ec6f39b838334f68b53cdc55ee13eb354f6b7ebe6ae
ripemd-160
ecfd49f6725ac395629a5deff9a53f4832dd407a
Diameter
1285808438
Circumference
4039486342.7446
Area
1.2985014061717E+18
Volume
1.1130827098736E+27
Surface area
5.1940056246867E+18
Circumference
4039486342.7446
Perimeter
2571616876
Area
413325834807999961
Diagonal
909203865.81668
Surface area
2479955008847999766
Volume
2.6572892301976E+26
Space diagonal
1113542771.7084
Perimeter
1928712657
Area
1.7897533649207E+17
Altitude
556771385.85419
Surface area
1.7897533649207E+17
Volume
3.1316453904112E+25
Height
303067955.27223