1808996421 is an odd 10-digits composite number following 1808996420
and preceding 1808996422 . In scientific notation, it is written as 1.808996421 × 10^9.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 1201643280 positive integers (up to 1808996421) that are relatively prime to 1808996421.
1808996421 has 8 divisors, whose sum is 2420703904
The reverse of 1808996421 is 1246998081
Previous prime number is 277
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 48
Digital Root 3
Name
one billion eight hundred eight million nine hundred ninety-six thousand four hundred twenty-one
Scientific notation
1.808996421 × 10^9
Engineering notation
1.808996421 × 10^9
Prime Factorization
3 × 277 × 2176891
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1808996421
Product of the distinct prime numbers
The prime factorization of 1808996421 is 3 × 277 × 2176891.
Since it has a total of 3 prime factors.
1 , 6 , 13 , 35 , 572 , 964 , 4524 , 8311 , 76941 , 68719 , 982748 , 723083 , 227867 , 3463863 , 2860476 , 9833577 , 583877529 , 5330395 , 3442693619 , 1990674508
n×2
3617992842
n×3
5426989263
n×4
7235985684
n×5
9044982105
n÷2
904498210.5
n÷3
602998807
n÷3
452249105.25
n÷5
361799284.2
n2
3272468051190809241
n3
5.919882992441E+27
n4
1.0709047146065E+37
n5
1.9372627959551E+46
2 √n
42532.298562387
3 √n
1218.4636265798
4 √n
206.23360192361
5 √n
71.037479140556
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
-1808996420
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 1808996421 can be divided by 8 positive divisors.
The sum of these divisors (counting 1808996421) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011110100110001100001000101
3
Ternary
11200001221112120110
4
Quaternary
1223310301201011
5
Quinary
12201100341141
6
Senary
455301023233
8
Octal
15364614105
10
Decimal
1808996421
12
Duodecimal
4259b4b19
16
Hexadecimal
6bd31845
20
Vigesimal
18564b11
36
Base36
tx12kl
md5
b8c7aecd6984c214a4d40867bd726c43
sha1
d7cedb08b83bb1fd94645e97c0ab185f2bcc1535
sha256
7565ca3def3a0f6435922dd3bc09f4d76d47fd8cd11e6a3c24be34cb5775ea5b
sha512
1193753b74424def28a1b51291bfa291bcfeb8dfc5d48cb44dff992f14ba76a1e91e8523fa2ba850051f9b80db7da137ed2bd3337b2d173bc0640ee09f50d4a7
ripemd-160
f557e2b1fd29a73392d7e3a23419984d5480a86d
Diameter
3617992842
Circumference
11366259733.168
Area
1.0280761588728E+19
Volume
2.4797147892218E+28
Surface area
4.1123046354913E+19
Circumference
11366259733.168
Perimeter
7235985684
Area
3272468051190809241
Diagonal
2558307272.8626
Surface area
1.9634808307145E+19
Volume
5.919882992441E+27
Space diagonal
3133273711.8823
Perimeter
5426989263
Area
1.4170202327021E+18
Altitude
1566636855.9411
Surface area
1.4170202327021E+18
Volume
6.9766490129766E+26
Height
852769090.9542