642630897 is an odd 9-digits composite number following 642630896
and preceding 642630898 . In scientific notation, it is written as 6.42630897 × 10^8.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 428420592 positive integers (up to 642630897) that are relatively prime to 642630897.
642630897 has 4 divisors, whose sum is 714034340
The reverse of 642630897 is 798036246
Previous prime number is 9
Is Prime? no Number parity odd Number length 9 Sum of Digits 45 Digital Root 9
Name
six hundred forty-two million six hundred thirty thousand eight hundred ninety-seven
Scientific notation
6.42630897 × 10^8
Engineering notation
6.42630897 × 10^6
Prime Factorization
9 × 71403433
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
642630897 Product of the distinct prime numbers
The prime factorization of 642630897 is 9 × 71403433.
Since it has a total of 2 prime factors.
1 , 3 , 28 , 36 , 111 , 971 , 5862 , 7013 , 15835 , 67198 , 423712 , 258415 , 7473847 , 66412 , 57741825 , 24209306 , 141572496 , 921551140 , 594524823 , 6320875124
n×2
1285261794
n×3
1927892691
n×4
2570523588
n×5
3213154485
n÷2
321315448.5
n÷3
214210299
n÷3
160657724.25
n÷5
128526179.4
n2
412974469779024609
n3
2.6539015395219E+26
n4
1.7054791268927E+35
n5
1.0959935811298E+44
2 √n25350.165620761
3 √n862.95311490719
4 √n159.21735339077
5 √n57.755363349624
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-642630896 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642630897 can be divided by 4 positive divisors.
The sum of these divisors (counting 642630897) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110010011011100010011110001
3
Ternary
1122210020000212100
4
Quaternary
212103130103301
5
Quinary
2304003142042
6
Senary
143433451013
8
Octal
4623342361
10
Decimal
642630897
12
Duodecimal
15b270a69
16
Hexadecimal
264dc4f1
20
Vigesimal
a0g8h4h
36
Base36
amlt69
md5
1b79bab90143003c190e17036642f823
sha1
0bd8f4c58a0d4c5cdf9cbc1701e1df5c88d523dc
sha256
e20c63f74668374f45392f0cd3fc41482d9f8095f94b7c8d0d988a4e3c68e47d
sha512
c95d9ea93eae869c15c782b7659ed668379aeaf65351261432a87f3b2d93606f2e2129768a2579723a1d0a05865f792f4daa1c29a73a56efa206ec1ea852f7b8
ripemd-160
4b2ec545a0c0b2009c65bd579b588520cb0b387e
Diameter
1285261794
Circumference
4037769009.97
Area
1.2973975603779E+18
Volume
1.1116636773217E+27
Surface area
5.1895902415117E+18
Circumference
4037769009.97
Perimeter
2570523588
Area
412974469779024609
Diagonal
908817330.13739
Surface area
2477846818674147654
Volume
2.6539015395219E+26
Space diagonal
1113069364.1176
Perimeter
1927892691
Area
1.7882319097152E+17
Altitude
556534682.05878
Surface area
1.7882319097152E+17
Volume
3.1276529586623E+25
Height
302939110.0458