8281421381 is an odd 10-digits prime number following 8281421380
and preceding 8281421382 . In scientific notation, it is written as 8.281421381 × 10^9.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 8281421380 positive integers (up to 8281421381) that are relatively prime to 8281421381.
8281421381 has 2 divisors, whose sum is 8281421382
The reverse of 8281421381 is 1831241828
Previous prime number is 1
Is Prime? yes Number parity odd Number length 10 Sum of Digits 38 Digital Root 2
Name
eight billion two hundred eighty-one million four hundred twenty-one thousand three hundred eighty-one
Scientific notation
8.281421381 × 10^9
Engineering notation
8.281421381 × 10^9
Prime Factorization
8281421381
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
8281421381 Product of the distinct prime numbers
The prime factorization of 8281421381 is 8281421381.
Since it has a total of 1 prime factors.
6 , 7 , 31 , 47 , 142 , 169 , 9618 , 6204 , 63310 , 95582 , 581190 , 359930 , 576761 , 5982746 , 86158203 , 15204047 , 758327603 , 525919677 , 8162759128 , 1185677579
n×2
16562842762
n×3
24844264143
n×4
33125685524
n×5
41407106905
n÷2
4140710690.5
n÷3
2760473793.6667
n÷3
2070355345.25
n÷5
1656284276.2
n2
6.8581940089684E+19
n3
5.6795594500917E+29
n4
4.703482506465E+39
n5
3.8951520594199E+49
2 √n91002.315250767
3 √n2023.1820400764
4 √n301.66590004634
5 √n96.298822469337
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
8281421382 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
4140710691 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
91002.315256261 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999997585 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 8281421381 can be divided by 2 positive divisors.
The sum of these divisors (counting 8281421381) is 8281421382, the average is 4140710691.
Base
System
Value
2
Binary
111101101100111000111011001000101
3
Ternary
210101010221210110102
4
Quaternary
13231213013121011
5
Quinary
113430020441011
6
Senary
3445431333445
8
Octal
75547073105
10
Decimal
8281421381
12
Duodecimal
1731521285
16
Hexadecimal
1ed9c7645
20
Vigesimal
697ihd91
36
Base36
3syjlmt
md5
830bbae9fd4ff0065d8e4dc5724fa852
sha1
782ac54a797584dfdfaec1d5bc277ec3538eaa61
sha256
2dfaa025695bfbc62edfd365be946262d1d46a2587611d6df08bfe3f5d69c820
sha512
60e0bed5baff49983fc959d82ce4150699556f224af14e13e0f3d45b1a6b91a6781c23591be43a373b85d5a8a1d110e071a60c3db657e708e8fd4f47b2d4aa4a
ripemd-160
472ce2cb4873c6aae649c88cd31ad41096ae90d8
Diameter
16562842762
Circumference
52033705143.662
Area
2.1545651915469E+20
Volume
2.3790482992046E+30
Surface area
8.6182607661875E+20
Circumference
52033705143.662
Perimeter
33125685524
Area
6.8581940089684E+19
Diagonal
11711698432.737
Surface area
4.114916405381E+20
Volume
5.6795594500917E+29
Space diagonal
14343842590.779
Perimeter
24844264143
Area
2.9696851179244E+19
Altitude
7171921295.3896
Surface area
2.9696851179244E+19
Volume
6.6934250021866E+28
Height
3903899477.5789