972912991 is an odd 9-digits composite number following 972912990
and preceding 972912992 . In scientific notation, it is written as 9.72912991 × 10^8.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 972847800 positive integers (up to 972912991) that are relatively prime to 972912991.
972912991 has 4 divisors, whose sum is 972978184
The reverse of 972912991 is 199219279
Previous prime number is 23131
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
nine hundred seventy-two million nine hundred twelve thousand nine hundred ninety-one
Scientific notation
9.72912991 × 10^8
Engineering notation
9.72912991 × 10^6
Prime Factorization
23131 × 42061
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
972912991
Product of the distinct prime numbers
The prime factorization of 972912991 is 23131 × 42061.
Since it has a total of 2 prime factors.
5 , 7 , 18 , 43 , 16 , 944 , 3602 , 9573 , 39766 , 42970 , 563558 , 153157 , 6012930 , 4681865 , 98637952 , 10123833 , 483462623 , 76270298 , 5637175336 , 9300609907
n×2
1945825982
n×3
2918738973
n×4
3891651964
n×5
4864564955
n÷2
486456495.5
n÷3
324304330.33333
n÷3
243228247.75
n÷5
194582598.2
n2
946559688056566081
n3
9.2092021726714E+26
n4
8.9597524305374E+35
n5
8.7170595358137E+44
2 √n
31191.553199544
3 √n
990.88822471792
4 √n
176.6113054126
5 √n
62.750154649569
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
-972912990
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 972912991 can be divided by 4 positive divisors.
The sum of these divisors (counting 972912991) is 1, the average is 0.25.
Base
System
Value
2
Binary
111001111111010111100101011111
3
Ternary
2111210201002201111
4
Quaternary
321333113211133
5
Quinary
3443031203431
6
Senary
240312522451
8
Octal
7177274537
10
Decimal
972912991
12
Duodecimal
2319b0427
16
Hexadecimal
39fd795f
20
Vigesimal
f40e29b
36
Base36
g38wgv
md5
e920f5016251e956ad5354e82e6c90fd
sha1
a82679f39f24f9a1157c93d1a9ae5aaee20e9fca
sha256
576019fcdfe7dbb54951b1773bacd28078c2334cf4ac0f2889006064d2757a9a
sha512
3b3afb61d8f5a59665891bc3bc45750fe0a0d59abc928c50bd61e2bf2ac4981f7033e9e3664b177ae8427be30ad1596c10bbd5e0b93457326c155c66104537dd
ripemd-160
c82429d7bb05f29c2f191eca2ba04b3b27243ae3
Diameter
1945825982
Circumference
6112992610.2153
Area
2.9737049621828E+18
Volume
3.8575415854784E+27
Surface area
1.1894819848731E+19
Circumference
6112992610.2153
Perimeter
3891651964
Area
946559688056566081
Diagonal
1375906746.8812
Surface area
5679358128339396486
Volume
9.2092021726714E+26
Space diagonal
1685134731.7558
Perimeter
2918738973
Area
4.0987236802763E+17
Altitude
842567365.8779
Surface area
4.0987236802763E+17
Volume
1.085314884269E+26
Height
458635582.29372