816996891 is an odd 9-digits composite number following 816996890
and preceding 816996892 . In scientific notation, it is written as 8.16996891 × 10^8.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 544598432 positive integers (up to 816996891) that are relatively prime to 816996891.
816996891 has 8 divisors, whose sum is 1089461520
The reverse of 816996891 is 198699618
Previous prime number is 15413
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
eight hundred sixteen million nine hundred ninety-six thousand eight hundred ninety-one
Scientific notation
8.16996891 × 10^8
Engineering notation
8.16996891 × 10^6
Prime Factorization
3 × 15413 × 17669
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
816996891
Product of the distinct prime numbers
The prime factorization of 816996891 is 3 × 15413 × 17669.
Since it has a total of 3 prime factors.
9 , 8 , 72 , 48 , 897 , 608 , 6037 , 8368 , 46149 , 46910 , 724731 , 172939 , 5865744 , 716201 , 98450023 , 29979672 , 122244311 , 264043117 , 2999491582 , 31269140
n×2
1633993782
n×3
2450990673
n×4
3267987564
n×5
4084984455
n÷2
408498445.5
n÷3
272332297
n÷3
204249222.75
n÷5
163399378.2
n2
667483919903665881
n3
5.4533228735379E+26
n4
4.4553478332996E+35
n5
3.6400053281294E+44
2 √n
28583.15747079
3 √n
934.84613022686
4 √n
169.065541938
5 √n
60.596017281389
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
-816996890
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 816996891 can be divided by 8 positive divisors.
The sum of these divisors (counting 816996891) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000101100100110001000011011
3
Ternary
2002221022202001010
4
Quaternary
300230212020123
5
Quinary
3133122400031
6
Senary
213023025003
8
Octal
6054461033
10
Decimal
816996891
12
Duodecimal
1a973b163
16
Hexadecimal
30b2621b
20
Vigesimal
cf64c4b
36
Base36
dif2u3
md5
ee9b89d8ee5eb7517b1fc0fa874f7ca9
sha1
22d4817cb1993c195dd073f0a56f9e32bd657cac
sha256
b1c496e813b4cf8634b1070159f3ea9523020c64080e7542a1593874e70d12cd
sha512
fca89a0d455ce6ba3bfeca5e69fb8cb2f08527e9b4dbbc377432c0fed490149d09bd701610a29b9a882e331a8a381d8e2545e117b7c95042545eb2dc34c5683e
ripemd-160
e8bf7dd2495d396ff99c0c5c6a44606d17f865cf
Diameter
1633993782
Circumference
5133342861.5426
Area
2.0969625791587E+18
Volume
2.2842825436213E+27
Surface area
8.3878503166347E+18
Circumference
5133342861.5426
Perimeter
3267987564
Area
667483919903665881
Diagonal
1155408083.6689
Surface area
4004903519421995286
Volume
5.4533228735379E+26
Space diagonal
1415080124.8378
Perimeter
2450990673
Area
2.890290156271E+17
Altitude
707540062.41891
Surface area
2.890290156271E+17
Volume
6.4268026397972E+25
Height
385136027.88962