100805981 is an odd 9-digits prime number following 100805980
and preceding 100805982 . In scientific notation, it is written as 1.00805981 × 10^8.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 100805980 positive integers (up to 100805981) that are relatively prime to 100805981.
100805981 has 2 divisors, whose sum is 100805982
The reverse of 100805981 is 189508001
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred million eight hundred five thousand nine hundred eighty-one
Scientific notation
1.00805981 × 10^8
Engineering notation
1.00805981 × 10^6
Prime Factorization
100805981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
100805981
Product of the distinct prime numbers
The prime factorization of 100805981 is 100805981.
Since it has a total of 1 prime factors.
8 , 5 , 68 , 24 , 896 , 622 , 8948 , 2180 , 14824 , 86276 , 122858 , 528489 , 2346269 , 6528092 , 85441662 , 73063544 , 153601992 , 744012249 , 7134889395 , 7016620943
n×2
201611962
n×3
302417943
n×4
403223924
n×5
504029905
n÷2
50402990.5
n÷3
33601993.666667
n÷3
25201495.25
n÷5
20161196.2
n2
10161845805372361
n3
1.0243748351813E+24
n4
1.0326311017216E+32
n5
1.0409539122016E+40
2 √n
10040.21817492
3 √n
465.4025588622
4 √n
100.20088909246
5 √n
39.874684523277
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
100805982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
50402991
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
10040.21822472
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999801599
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 100805981 can be divided by 2 positive divisors.
The sum of these divisors (counting 100805981) is 100805982, the average is 50402991.
Base
System
Value
2
Binary
110000000100010110101011101
3
Ternary
21000200110210212
4
Quaternary
12000202311131
5
Quinary
201301242411
6
Senary
14000342205
8
Octal
600426535
10
Decimal
100805981
12
Duodecimal
29914965
16
Hexadecimal
6022d5d
20
Vigesimal
1ba0ej1
36
Base36
1o0me5
md5
a5fa18c3c1e533834cd40b6c0daeb797
sha1
636adcfc2029f0afed746c39549beadc984b8ae0
sha256
b4d8f3d011546db95c9b3519162908acce8bc7bdadae3a93fdd0d9dd770b51dc
sha512
f1fe4eef0e9672a5000d0218c8a11ae8210ef276ad9d18d98d0d8c4f1067153efcc612c8caebb31ae91182e73ceb5c99f23a13419e977e4be03d5c0fabcffeb9
ripemd-160
3e88e01506e50bbc2a39af2bd8e247c983dff59c
Diameter
201611962
Circumference
633382658.69502
Area
3.192438012907E+16
Volume
4.2908912756371E+24
Surface area
1.2769752051628E+17
Circumference
633382658.69502
Perimeter
403223924
Area
10161845805372361
Diagonal
142561185.49852
Surface area
60971074832234166
Volume
1.0243748351813E+24
Space diagonal
174601080.79882
Perimeter
302417943
Area
4.4002083083964E+15
Altitude
87300540.399411
Surface area
4.4002083083964E+15
Volume
1.2072373207226E+23
Height
47520395.166175