100806981 is an odd 9-digits composite number following 100806980
and preceding 100806982 . In scientific notation, it is written as 1.00806981 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 59443200 positive integers (up to 100806981) that are relatively prime to 100806981.
100806981 has 16 divisors, whose sum is 150593088
The reverse of 100806981 is 189608001
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred million eight hundred six thousand nine hundred eighty-one
Scientific notation
1.00806981 × 10^8
Engineering notation
1.00806981 × 10^6
Prime Factorization
3 × 11 × 37 × 82561
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
100806981
Product of the distinct prime numbers
The prime factorization of 100806981 is 3 × 11 × 37 × 82561.
Since it has a total of 4 prime factors.
3 , 8 , 66 , 37 , 459 , 297 , 7604 , 5883 , 50548 , 26568 , 532251 , 438597 , 4153313 , 9816087 , 6173888 , 83350444 , 316597308 , 637762042 , 9138463717 , 1114326287
n×2
201613962
n×3
302420943
n×4
403227924
n×5
504034905
n÷2
50403490.5
n÷3
33602327
n÷3
25201745.25
n÷5
20161396.2
n2
10162047418334361
n3
1.0244053210211E+24
n4
1.0326720773248E+32
n5
1.0410055447811E+40
2 √n
10040.267974511
3 √n
465.40409779543
4 √n
100.2011375909
5 √n
39.874763634706
1 , 3 , 11 , 33 , 37 , 111 , 407 , 1221 , 82561 , 247683 , 908171 , 2724513 , 3054757 , 9164271 , 33602327 , 100806981
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-100806980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 100806981 can be divided by 16 positive divisors.
The sum of these divisors (counting 100806981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000000100011000101000101
3
Ternary
21000200112011220
4
Quaternary
12000203011011
5
Quinary
201301310411
6
Senary
14000350553
8
Octal
600430505
10
Decimal
100806981
12
Duodecimal
29915459
16
Hexadecimal
6023145
20
Vigesimal
1ba0h91
36
Base36
1o0n5x
md5
37965f4a61bb16481c217b7d2f210c65
sha1
7d3f045412bcc9e7f4f94f4343fec3a599cd5175
sha256
7ed7e93ed824e82c9fd9662e054b139937730ffcb72d1437121b06b2c5c75654
sha512
cc7d8edf578f980b55d782bb70626cce9e15c4204d2371dce71e7a4fbcc536f22f43516072288aa2454091c7c74261d541888ee66d3873db7045bf2d53faf8ed
ripemd-160
eff2eec1731c022b4530fd53f511c069b1d6584b
Diameter
201613962
Circumference
633388941.88033
Area
3.192501351487E+16
Volume
4.2910189744244E+24
Surface area
1.2770005405948E+17
Circumference
633388941.88033
Perimeter
403227924
Area
10162047418334361
Diagonal
142562599.71209
Surface area
60972284510006166
Volume
1.0244053210211E+24
Space diagonal
174602812.84963
Perimeter
302420943
Area
4.4002956093698E+15
Altitude
87301406.424815
Surface area
4.4002956093698E+15
Volume
1.2072732486294E+23
Height
47520866.570696