101991105 is an odd 9-digits composite number following 101991104
and preceding 101991106 . In scientific notation, it is written as 1.01991105 × 10^8.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 54395232 positive integers (up to 101991105) that are relatively prime to 101991105.
101991105 has 12 divisors, whose sum is 176784660
The reverse of 101991105 is 501199101
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred one million nine hundred ninety-one thousand one hundred five
Scientific notation
1.01991105 × 10^8
Engineering notation
1.01991105 × 10^6
Prime Factorization
5 × 3 × 3 × 2266469
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
33997035
Product of the distinct prime numbers
The prime factorization of 101991105 is 5 × 3 × 3 × 2266469.
Since it has a total of 4 prime factors.
10 , 10 , 42 , 38 , 300 , 876 , 8628 , 590 , 90361 , 87942 , 200517 , 685682 , 2311596 , 4324644 , 82097669 , 72414677 , 844514890 , 287809189 , 151849261 , 5121032184
n×2
203982210
n×3
305973315
n×4
407964420
n×5
509955525
n÷2
50995552.5
n÷3
33997035
n÷3
25497776.25
n÷5
20398221
n2
10402185499121025
n3
1.0609303934703E+24
n4
1.0820546315812E+32
n5
1.1035994754534E+40
2 √n
10099.064560641
3 √n
467.21929062239
4 √n
100.49410211869
5 √n
39.968003931634
1 , 3 , 5 , 9 , 15 , 45 , 2266469 , 6799407 , 11332345 , 20398221 , 33997035 , 101991105
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-101991104
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 101991105 can be divided by 12 positive divisors.
The sum of these divisors (counting 101991105) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110000101000100001011000001
3
Ternary
21002220200111100
4
Quaternary
12011010023001
5
Quinary
202102203410
6
Senary
14042005013
8
Octal
605041301
10
Decimal
101991105
12
Duodecimal
2a1a6769
16
Hexadecimal
61442c1
20
Vigesimal
1bh8hf5
36
Base36
1oq0u9
md5
549ae940a67102df7e101ef2366783bf
sha1
0a24bd3d7f795b696a20d5eeb4ddf00c15646e73
sha256
7b7730bdf36460fac86588b3ab01150674d6c5b553127a0e4993e4bf2251bcaf
sha512
78c2dad9e833e8c96f86bc4ced808b10813941d3ed46e6eb4781db878b7a185274a09f24f7139bf28e7fa3497a1fca5098c52342a502948129503634ca4066d2
ripemd-160
5de1e0d4507ad455491f23b88ebad597a7b9fd85
Diameter
203982210
Circumference
640829012.39901
Area
3.2679429545317E+16
Volume
4.4440148401287E+24
Surface area
1.3071771818127E+17
Circumference
640829012.39901
Perimeter
407964420
Area
10402185499121025
Diagonal
144237203.93242
Surface area
62413112994726150
Volume
1.0609303934703E+24
Space diagonal
176653775.78009
Perimeter
305973315
Area
4.5042784485585E+15
Altitude
88326887.890046
Surface area
4.5042784485585E+15
Volume
1.2503184593163E+23
Height
48079067.977473