643920007 is an odd 9-digits composite number following 643920006
and preceding 643920008 . In scientific notation, it is written as 6.43920007 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 636146784 positive integers (up to 643920007) that are relatively prime to 643920007.
643920007 has 8 divisors, whose sum is 651728000
The reverse of 643920007 is 700029346
Previous prime number is 349
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
six hundred forty-three million nine hundred twenty thousand seven
Scientific notation
6.43920007 × 10^8
Engineering notation
6.43920007 × 10^6
Prime Factorization
109 × 349 × 16927
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
643920007
Product of the distinct prime numbers
The prime factorization of 643920007 is 109 × 349 × 16927.
Since it has a total of 3 prime factors.
4 , 2 , 96 , 61 , 634 , 586 , 2492 , 7690 , 58862 , 35755 , 100053 , 653915 , 8845905 , 9187157 , 79718012 , 80246363 , 225211906 , 167730305 , 6386835842 , 7998559076
n×2
1287840014
n×3
1931760021
n×4
2575680028
n×5
3219600035
n÷2
321960003.5
n÷3
214640002.33333
n÷3
160980001.75
n÷5
128784001.4
n2
414632975414880049
n3
2.6699046843158E+26
n4
1.719205043014E+35
n5
1.107030523332E+44
2 √n
25375.57894906
3 √n
863.52975409195
4 √n
159.29714042964
5 √n
57.778516094955
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
-643920006
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 643920007 can be divided by 8 positive divisors.
The sum of these divisors (counting 643920007) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110011000010111000010000111
3
Ternary
1122212122112012011
4
Quaternary
212120113002013
5
Quinary
2304320420012
6
Senary
143521235051
8
Octal
4630270207
10
Decimal
643920007
12
Duodecimal
15b792a87
16
Hexadecimal
26617087
20
Vigesimal
a14a007
36
Base36
andfuv
md5
0ce14ed1103b961d7b1d477cf3cac409
sha1
22976eae010c3366e471cb2aae997ef23b1321e3
sha256
72fdd9c0882eacb5c465c3f2ec7b8f9f5245e6c06f9eaf057f4221e205a3947f
sha512
e14e722b4deccecd66317e206a7084a92c14bfd9f64816923684f5ab0bee739ad37ccf3eb643ba32c7f2aa1a25e0e4b0ef63cd03f11aa7d32724407e0b9a49c4
ripemd-160
d06a2b75961be7395d0153b814cdcb3c5975a02b
Diameter
1287840014
Circumference
4045868726.9814
Area
1.3026079094995E+18
Volume
1.1183670589375E+27
Surface area
5.2104316379979E+18
Circumference
4045868726.9814
Perimeter
2575680028
Area
414632975414880049
Diagonal
910640406.98278
Surface area
2487797852489280294
Volume
2.6699046843158E+26
Space diagonal
1115302168.1341
Perimeter
1931760021
Area
1.7954134497801E+17
Altitude
557651084.06705
Surface area
1.7954134497801E+17
Volume
3.1465128456691E+25
Height
303546802.32759