981338861 is an odd 9-digits composite number following 981338860
and preceding 981338862 . In scientific notation, it is written as 9.81338861 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 938671932 positive integers (up to 981338861) that are relatively prime to 981338861.
981338861 has 4 divisors, whose sum is 1024005792
The reverse of 981338861 is 168833189
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
nine hundred eighty-one million three hundred thirty-eight thousand eight hundred sixty-one
Scientific notation
9.81338861 × 10^8
Engineering notation
9.81338861 × 10^6
Prime Factorization
23 × 42666907
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
981338861
Product of the distinct prime numbers
The prime factorization of 981338861 is 23 × 42666907.
Since it has a total of 2 prime factors.
5 , 2 , 62 , 68 , 347 , 555 , 1258 , 6790 , 86212 , 50711 , 451246 , 655469 , 8306298 , 5503912 , 4341396 , 76922150 , 159071712 , 405480690 , 4595366066 , 2895687516
n×2
1962677722
n×3
2944016583
n×4
3925355444
n×5
4906694305
n÷2
490669430.5
n÷3
327112953.66667
n÷3
245334715.25
n÷5
196267772.2
n2
963025960108777321
n3
9.4505479880658E+26
n4
9.2741899984343E+35
n5
9.1011230497611E+44
2 √n
31326.328559217
3 √n
993.74052100711
4 √n
176.99245339623
5 √n
62.858469064531
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
-981338860
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 981338861 can be divided by 4 positive divisors.
The sum of these divisors (counting 981338861) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010011111100000101011101101
3
Ternary
2112101120011211202
4
Quaternary
322133200223231
5
Quinary
4002210320421
6
Senary
241213255245
8
Octal
7237405355
10
Decimal
981338861
12
Duodecimal
234794525
16
Hexadecimal
3a7e0aed
20
Vigesimal
f6d7731
36
Base36
g89hwt
md5
cb0edf0a3fb1e364dd06385d665d9442
sha1
dd100fb5ed49219822e313f52ed80f5691be02f3
sha256
41b2e3f2c4442a6b7fcf7ceb3a4d7f3d18f230fa8fc10da56e190be4d7337ece
sha512
ffb7da55cac2b5c4518e0b0cddfc4d2825e6d45561d293f28cf22225986a0b30ac3f72d6415d870b6eff57bf8bc1701913c12efbd5d566fc517dee000b80a82b
ripemd-160
2bfa7a9187262c754cd1867f633980ed049ee5f7
Diameter
1962677722
Circumference
6165933912.7996
Area
3.025435281494E+18
Volume
3.9586362842274E+27
Surface area
1.2101741125976E+19
Circumference
6165933912.7996
Perimeter
3925355444
Area
963025960108777321
Diagonal
1387822726.51
Surface area
5778155760652663926
Volume
9.4505479880658E+26
Space diagonal
1699728766.6938
Perimeter
2944016583
Area
4.1700247297905E+17
Altitude
849864383.34689
Surface area
4.1700247297905E+17
Volume
1.1137577613817E+26
Height
462607575.50332