997047891 is an odd 9-digits composite number following 997047890
and preceding 997047892 . In scientific notation, it is written as 9.97047891 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 567874800 positive integers (up to 997047891) that are relatively prime to 997047891.
997047891 has 16 divisors, whose sum is 1397265408
The reverse of 997047891 is 198740799
Previous prime number is 307
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
nine hundred ninety-seven million forty-seven thousand eight hundred ninety-one
Scientific notation
9.97047891 × 10^8
Engineering notation
9.97047891 × 10^6
Prime Factorization
21 × 3 × 307 × 51551
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
997047891
Product of the distinct prime numbers
The prime factorization of 997047891 is 21 × 3 × 307 × 51551.
Since it has a total of 4 prime factors.
8 , 7 , 51 , 74 , 66 , 213 , 7755 , 3504 , 71264 , 93330 , 659223 , 16438 , 3862803 , 6324173 , 47803900 , 52580412 , 173612094 , 757971035 , 272598205 , 3776781259
n×2
1994095782
n×3
2991143673
n×4
3988191564
n×5
4985239455
n÷2
498523945.5
n÷3
332349297
n÷3
249261972.75
n÷5
199409578.2
n2
994104496947547881
n3
9.9116979211517E+26
n4
9.8824375085134E+35
n5
9.8532634758026E+44
2 √n
31576.065160181
3 √n
999.01499374791
4 √n
177.6965535968
5 √n
63.058437282753
1 , 3 , 21 , 63 , 307 , 921 , 6447 , 19341 , 51551 , 154653 , 1082571 , 3247713 , 15826157 , 47478471 , 332349297 , 997047891
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-997047890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 997047891 can be divided by 16 positive divisors.
The sum of these divisors (counting 997047891) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011011011011011111001010011
3
Ternary
2120111010021120200
4
Quaternary
323123123321103
5
Quinary
4020221013031
6
Senary
242534110243
8
Octal
7333337123
10
Decimal
997047891
12
Duodecimal
239aab383
16
Hexadecimal
3b6dbe53
20
Vigesimal
fbbajeb
36
Base36
ghm72r
md5
def20efaa11432426afa8f65197c225f
sha1
5f631ea9b04fed12c7f4a4cc4f7f12600e055f6b
sha256
f8a42def9e6071b4ebac61b3c0bc1c305ec45fd1619bd295a73a07e5786b5812
sha512
5e85ee2ab80180f1fa5d40307a1b425e2e0e53f24233d641ea450e0f096901f39e569f7caec04b9b6211d4eed64c6ef7f658300d0a7b1b8d60631d901cdd8e2c
ripemd-160
aa318fd9eb28af9e5a61186a8fb84ac3d954a569
Diameter
1994095782
Circumference
6264636659.2856
Area
3.123071384511E+18
Volume
4.1518023164922E+27
Surface area
1.2492285538044E+19
Circumference
6264636659.2856
Perimeter
3988191564
Area
994104496947547881
Diagonal
1410038649.7877
Surface area
5964626981685287286
Volume
9.9116979211517E+26
Space diagonal
1726937604.7914
Perimeter
2991143673
Area
4.3045987418646E+17
Altitude
863468802.3957
Surface area
4.3045987418646E+17
Volume
1.1681048021865E+26
Height
470012883.26256