642000972 is an even 9-digits composite number following 642000971
and preceding 642000973 . In scientific notation, it is written as 6.42000972 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors.
There are 214000320 positive integers (up to 642000972) that are relatively prime to 642000972.
642000972 has 12 divisors, whose sum is 1498002296
The reverse of 642000972 is 279000246
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 30
Digital Root 3
Name
six hundred forty-two million nine hundred seventy-two
Scientific notation
6.42000972 × 10^8
Engineering notation
6.42000972 × 10^6
Prime Factorization
2 × 2 × 3 × 53500081
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
321000486
Product of the distinct prime numbers
The prime factorization of 642000972 is 2 × 2 × 3 × 53500081.
Since it has a total of 4 prime factors.
4 , 7 , 81 , 94 , 880 , 409 , 4479 , 9203 , 3544 , 21636 , 738013 , 53048 , 8283273 , 1075834 , 78910710 , 62674345 , 96142812 , 201637994 , 668426633 , 3390992457
n×2
1284001944
n×3
1926002916
n×4
2568003888
n×5
3210004860
n÷2
321000486
n÷3
214000324
n÷3
160500243
n÷5
128400194.4
n2
412165248048944784
n3
2.6461048987204E+26
n4
1.6988019169925E+35
n5
1.0906324819446E+44
2 √n
25337.738099523
3 √n
862.6710590354
4 √n
159.17832170092
5 √n
57.744036219007
1 , 2 , 3 , 4 , 6 , 12 , 53500081 , 107000162 , 160500243 , 214000324 , 321000486 , 642000972
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642000971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642000972 can be divided by 12 positive divisors.
The sum of these divisors (counting 642000972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110010001000010100001001100
3
Ternary
1122202001000202210
4
Quaternary
212101002201030
5
Quinary
2303323012342
6
Senary
143412150420
8
Octal
4621024114
10
Decimal
642000972
12
Duodecimal
15b008410
16
Hexadecimal
2644284c
20
Vigesimal
a0ca28c
36
Base36
am8b4c
md5
a4a42dd668ed7414921d2b00b81e6f1b
sha1
c2727026f09f1131d1bc01cc2336386f65610e74
sha256
4cd0cc54a20364b6c7fc87729df5cad4b92966d8c1f542ffa87a49281c9112e3
sha512
623a76ff55ec6597cac4fc3c4744300ed503d0ec4da74018c2029d31adef65e0824a65f785e93ecf6b4ba4dd733280b96d28d4f4ad0d48a9fe5e8c991f132ed7
ripemd-160
a4cbbfa54f5e70d3b46ad0a581721c19c5f5c8fd
Diameter
1284001944
Circumference
4033811074.4654
Area
1.2948553153356E+18
Volume
1.1083978280597E+27
Surface area
5.1794212613423E+18
Circumference
4033811074.4654
Perimeter
2568003888
Area
412165248048944784
Diagonal
907926481.65911
Surface area
2472991488293668704
Volume
2.6461048987204E+26
Space diagonal
1111978302.0126
Perimeter
1926002916
Area
1.7847278768375E+17
Altitude
555989151.0063
Surface area
1.7847278768375E+17
Volume
3.1184645293603E+25
Height
302642160.55304