101991609 is an odd 9-digits composite number following 101991608
and preceding 101991610 . In scientific notation, it is written as 1.01991609 × 10^8.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 67994388 positive integers (up to 101991609) that are relatively prime to 101991609.
101991609 has 4 divisors, whose sum is 105769104
The reverse of 101991609 is 906199101
Previous prime number is 27
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred one million nine hundred ninety-one thousand six hundred nine
Scientific notation
1.01991609 × 10^8
Engineering notation
1.01991609 × 10^6
Prime Factorization
27 × 3777467
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
101991609
Product of the distinct prime numbers
The prime factorization of 101991609 is 27 × 3777467.
Since it has a total of 2 prime factors.
3 , 7 , 99 , 46 , 608 , 328 , 2198 , 1728 , 14156 , 85215 , 949174 , 95027 , 4718711 , 3398276 , 64795535 , 371896 , 683876693 , 334483314 , 643764188 , 8842282697
n×2
203983218
n×3
305974827
n×4
407966436
n×5
509958045
n÷2
50995804.5
n÷3
33997203
n÷3
25497902.25
n÷5
20398321.8
n2
10402288306408881
n3
1.0609461216525E+24
n4
1.0820760200965E+32
n5
1.1036267434996E+40
2 √n
10099.089513417
3 √n
467.22006022589
4 √n
100.49422626906
5 √n
39.968043432793
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
-101991608
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 101991609 can be divided by 4 positive divisors.
The sum of these divisors (counting 101991609) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000101000100010010111001
3
Ternary
21002220201012000
4
Quaternary
12011010102321
5
Quinary
202102212414
6
Senary
14042011213
8
Octal
605042271
10
Decimal
101991609
12
Duodecimal
2a1a6b09
16
Hexadecimal
61444b9
20
Vigesimal
1bh8j09
36
Base36
1oq189
md5
bf637962bc30cca3366f3b705baa7d46
sha1
8679469c30329f2f945a2c62f62de3dd8b4e3b9b
sha256
7aca78cb3bf139c65b2b7a06e98b62b61259e5bb8c12e508d3e9907c486fd019
sha512
4922d57f39c6421b88a703ad688b29a46539a1d135e4ce501a5aff5318feb3998d18332f8ba89bda559206159660330ed1ecf5e1c2b3ad9b04f65ca5c954c65c
ripemd-160
ff391f976d564bc9aeb11e49ef85729cbe41d244
Diameter
203983218
Circumference
640832179.12441
Area
3.2679752523937E+16
Volume
4.4440807221842E+24
Surface area
1.3071901009575E+17
Circumference
640832179.12441
Perimeter
407966436
Area
10402288306408881
Diagonal
144237916.69605
Surface area
62413729838453286
Volume
1.0609461216525E+24
Space diagonal
176654648.7337
Perimeter
305974827
Area
4.5043229654199E+15
Altitude
88327324.36685
Surface area
4.5043229654199E+15
Volume
1.2503369951568E+23
Height
48079305.565351