997804987 is an odd 9-digits composite number following 997804986
and preceding 997804988 . In scientific notation, it is written as 9.97804987 × 10^8.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 916204800 positive integers (up to 997804987) that are relatively prime to 997804987.
997804987 has 8 divisors, whose sum is 1082268432
The reverse of 997804987 is 789408799
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 61
Digital Root 7
Name
nine hundred ninety-seven million eight hundred four thousand nine hundred eighty-seven
Scientific notation
9.97804987 × 10^8
Engineering notation
9.97804987 × 10^6
Prime Factorization
17 × 41 × 1431571
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
997804987
Product of the distinct prime numbers
The prime factorization of 997804987 is 17 × 41 × 1431571.
Since it has a total of 3 prime factors.
9 , 10 , 20 , 17 , 482 , 837 , 1177 , 3452 , 97331 , 31774 , 895052 , 958846 , 4355575 , 8879802 , 81609531 , 78246518 , 668652316 , 741960918 , 2461800518 , 3754689538
n×2
1995609974
n×3
2993414961
n×4
3991219948
n×5
4989024935
n÷2
498902493.5
n÷3
332601662.33333
n÷3
249451246.75
n÷5
199560997.4
n2
995614792082070169
n3
9.9342940467046E+26
n4
9.9124881421262E+35
n5
9.8907301017919E+44
2 √n
31588.051332743
3 √n
999.26779300377
4 √n
177.73027691629
5 √n
63.068010904435
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
-997804986
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 997804987 can be divided by 8 positive divisors.
The sum of these divisors (counting 997804987) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011011110010100101110111011
3
Ternary
2120112112202010021
4
Quaternary
323132110232323
5
Quinary
4020414224422
6
Senary
243002231311
8
Octal
7336245673
10
Decimal
997804987
12
Duodecimal
23a1b5537
16
Hexadecimal
3b794bbb
20
Vigesimal
fbg5c97
36
Base36
gi2f97
md5
985deb8d1187b786b63c5eee260ae5b6
sha1
92993740b3c7516e142ef5bc265acd2a05c49ac2
sha256
45b5bfde3584960da65e8e17a3d83f533dae5e53474a72e5891662551c8b917a
sha512
f985f174ff8ec221355cc81031ead22b1d6b7a966ab2703c1d59dfe2f98dd2f7d830f7417d931c0836abb9c15027ac1ec1c9a25c24455883081747f04006ef13
ripemd-160
852f6503e52798e919a2bf825d161648b8229bb6
Diameter
1995609974
Circumference
6269393633.7489
Area
3.1278161166104E+18
Volume
4.1612673594304E+27
Surface area
1.2511264466441E+19
Circumference
6269393633.7489
Perimeter
3991219948
Area
995614792082070169
Diagonal
1411109345.2189
Surface area
5973688752492421014
Volume
9.9342940467046E+26
Space diagonal
1728248933.5296
Perimeter
2993414961
Area
4.3111385116332E+17
Altitude
864124466.7648
Surface area
4.3111385116332E+17
Volume
1.170767781121E+26
Height
470369781.73964