100991285 is an odd 9-digits composite number following 100991284
and preceding 100991286 . In scientific notation, it is written as 1.00991285 × 10^8.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 80712640 positive integers (up to 100991285) that are relatively prime to 100991285.
100991285 has 8 divisors, whose sum is 121310136
The reverse of 100991285 is 582199001
Previous prime number is 1061
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred million nine hundred ninety-one thousand two hundred eighty-five
Scientific notation
1.00991285 × 10^8
Engineering notation
1.00991285 × 10^6
Prime Factorization
5 × 1061 × 19037
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
100991285
Product of the distinct prime numbers
The prime factorization of 100991285 is 5 × 1061 × 19037.
Since it has a total of 3 prime factors.
10 , 4 , 22 , 59 , 354 , 334 , 9351 , 4735 , 15462 , 68690 , 637434 , 578282 , 7163756 , 788604 , 27188544 , 83614259 , 207506467 , 622512770 , 7885260318 , 9429847575
n×2
201982570
n×3
302973855
n×4
403965140
n×5
504956425
n÷2
50495642.5
n÷3
33663761.666667
n÷3
25247821.25
n÷5
20198257
n2
10199239645951225
n3
1.0300343178676E+24
n4
1.0402448935554E+32
n5
1.0505566851485E+40
2 √n
10049.442024312
3 √n
465.68755572914
4 √n
100.2469053104
5 √n
39.889333478511
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
-100991284
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 100991285 can be divided by 8 positive divisors.
The sum of these divisors (counting 100991285) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000001010000000100110101
3
Ternary
21001000212222222
4
Quaternary
12001100010311
5
Quinary
201323210120
6
Senary
14004332125
8
Octal
601200465
10
Decimal
100991285
12
Duodecimal
299a4045
16
Hexadecimal
6050135
20
Vigesimal
1bb3i45
36
Base36
1o4ldh
md5
abd5ba466ccd93b30c52a51e097bfe2b
sha1
5b4e9ddf74c3152ac29a86178e5e0a8f23ce7993
sha256
e762ba7fc07611c3db44c88ccdb651be22c9e5582092a9dff77823b3f3e01d5b
sha512
9153fb4205026fa143381f51135656fa1dab2dd79d455ef68495ede46416c0219b0cf569c9b6f1459c11e1ff027097639251fe59843d18ca4b1b1d32e69a0fc1
ripemd-160
35fd281c62468faf1722a94b08f9e0eaba2a59b0
Diameter
201982570
Circumference
634546958.06519
Area
3.2041856343922E+16
Volume
4.3145976612775E+24
Surface area
1.2816742537569E+17
Circumference
634546958.06519
Perimeter
403965140
Area
10199239645951225
Diagonal
142823244.92849
Surface area
61195437875707350
Volume
1.0300343178676E+24
Space diagonal
174922036.74167
Perimeter
302973855
Area
4.4164003163396E+15
Altitude
87461018.370834
Surface area
4.4164003163396E+15
Volume
1.2139070850317E+23
Height
47607748.309496