681001421 is an odd 9-digits composite number following 681001420
and preceding 681001422 . In scientific notation, it is written as 6.81001421 × 10^8.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 680604000 positive integers (up to 681001421) that are relatively prime to 681001421.
681001421 has 4 divisors, whose sum is 681398844
The reverse of 681001421 is 124100186
Previous prime number is 1721
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 23
Digital Root 5
Name
six hundred eighty-one million one thousand four hundred twenty-one
Scientific notation
6.81001421 × 10^8
Engineering notation
6.81001421 × 10^6
Prime Factorization
1721 × 395701
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
681001421
Product of the distinct prime numbers
The prime factorization of 681001421 is 1721 × 395701.
Since it has a total of 2 prime factors.
10 , 8 , 38 , 27 , 545 , 660 , 9591 , 3620 , 79126 , 34780 , 471388 , 554497 , 5970541 , 7669341 , 78975892 , 29342058 , 760559417 , 704951228 , 9669196380 , 7182783836
n×2
1362002842
n×3
2043004263
n×4
2724005684
n×5
3405007105
n÷2
340500710.5
n÷3
227000473.66667
n÷3
170250355.25
n÷5
136200284.2
n2
463762935404019241
n3
3.1582321801727E+26
n4
2.1507606025455E+35
n5
1.4646710265643E+44
2 √n
26096.003927805
3 √n
879.7973969704
4 √n
161.54257620765
5 √n
58.429154733394
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
-681001420
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 681001421 can be divided by 4 positive divisors.
The sum of these divisors (counting 681001421) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000100101110100000111001101
3
Ternary
1202110102110022212
4
Quaternary
220211310013031
5
Quinary
2343314021141
6
Senary
151324120205
8
Octal
5045640715
10
Decimal
681001421
12
Duodecimal
170096065
16
Hexadecimal
289741cd
20
Vigesimal
acg53b1
36
Base36
b9g825
md5
68300c2f5c4e8e1396412682a0e1b644
sha1
bd2e2e8c4db63777d6437840381499eeb70875d5
sha256
062bea76471043eddda9f562c4aee50eb59ce3fcab26750c4f0f167119ec89f3
sha512
6bdcc0e8f7e3b331353b877ee124e40f824c53bc2e27268b6524c834bc5a6ceb4cef19360f8dfe6a51d74f74183751bc469fae09a065f3023bdbd683659635d4
ripemd-160
8ace10200987cc2fa6dc14b9c81591c17693a61f
Diameter
1362002842
Circumference
4278858122.5956
Area
1.4569542308725E+18
Volume
1.3229172020749E+27
Surface area
5.82781692349E+18
Circumference
4278858122.5956
Perimeter
2724005684
Area
463762935404019241
Diagonal
963081445.57355
Surface area
2782577612424115446
Volume
3.1582321801727E+26
Space diagonal
1179529061.1986
Perimeter
2043004263
Area
2.0081524169676E+17
Altitude
589764530.5993
Surface area
2.0081524169676E+17
Volume
3.7220123186028E+25
Height
321027148.52452