816406921 is an odd 9-digits composite number following 816406920
and preceding 816406922 . In scientific notation, it is written as 8.16406921 × 10^8.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 741612240 positive integers (up to 816406921) that are relatively prime to 816406921.
816406921 has 8 divisors, whose sum is 891316800
The reverse of 816406921 is 129604618
Previous prime number is 1319
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
eight hundred sixteen million four hundred six thousand nine hundred twenty-one
Scientific notation
8.16406921 × 10^8
Engineering notation
8.16406921 × 10^6
Prime Factorization
11 × 1319 × 56269
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
816406921
Product of the distinct prime numbers
The prime factorization of 816406921 is 11 × 1319 × 56269.
Since it has a total of 3 prime factors.
2 , 3 , 13 , 62 , 132 , 402 , 2998 , 2664 , 26428 , 95173 , 997839 , 683667 , 3262391 , 7437132 , 14229697 , 31310290 , 499135375 , 211452824 , 304823262 , 1369926837
n×2
1632813842
n×3
2449220763
n×4
3265627684
n×5
4082034605
n÷2
408203460.5
n÷3
272135640.33333
n÷3
204101730.25
n÷5
163281384.2
n2
666520260656700241
n3
5.4415175378685E+26
n4
4.4424925786588E+35
n5
3.6268816877081E+44
2 √n
28572.83536858
3 √n
934.62105226631
4 √n
169.03501225657
5 √n
60.587263230191
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
-816406920
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 816406921 can be divided by 8 positive divisors.
The sum of these divisors (counting 816406921) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000101010010110000110001001
3
Ternary
2002220012202202101
4
Quaternary
300222112012021
5
Quinary
3133000010141
6
Senary
213002233401
8
Octal
6052260611
10
Decimal
816406921
12
Duodecimal
1a94b5861
16
Hexadecimal
30a96189
20
Vigesimal
cf2ah61
36
Base36
di2fm1
md5
1abf1c4a19554b2672f93ed2a133df87
sha1
274f7c6177273a82d53a173ffd09b6dc2be26895
sha256
4d6ff4d56ad1d790bd2dd1844b15a8a06816165155adbc4994852d631cd6b614
sha512
1a111bef63b4b453e7738fe4ff4d835fa2b0dbe13424b1267b69d975b36dbab39b7710d18fe69fd443cc60a17f09fb26ae9449e106f52d531a88d775957047c7
ripemd-160
5486ee6c792dacd92afb8020f54990994cf4abdd
Diameter
1632813842
Circumference
5129635970.7069
Area
2.0939351543478E+18
Volume
2.2793375361797E+27
Surface area
8.3757406173914E+18
Circumference
5129635970.7069
Perimeter
3265627684
Area
666520260656700241
Diagonal
1154573740.0935
Surface area
3999121563940201446
Volume
5.4415175378685E+26
Space diagonal
1414058266.8229
Perimeter
2449220763
Area
2.8861173893286E+17
Altitude
707029133.41144
Surface area
2.8861173893286E+17
Volume
6.4128899182873E+25
Height
384857913.36449