21158091 is an odd 8-digits composite number following 21158090
and preceding 21158092 . In scientific notation, it is written as 2.1158091 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 13115520 positive integers (up to 21158091) that are relatively prime to 21158091.
21158091 has 32 divisors, whose sum is 31385088
The reverse of 21158091 is 19085112
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million one hundred fifty-eight thousand ninety-one
Scientific notation
2.1158091 × 10^7
Engineering notation
2.1158091 × 10^6
Prime Factorization
27 × 3 × 23 × 41 × 277
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21158091
Product of the distinct prime numbers
The prime factorization of 21158091 is 27 × 3 × 23 × 41 × 277.
Since it has a total of 5 prime factors.
6 , 1 , 85 , 14 , 652 , 532 , 9210 , 5924 , 61860 , 2111 , 907557 , 914513 , 8548989 , 3833455 , 72818265 , 784247 , 514745951 , 931728209 , 6407087757 , 3591939194
n×2
42316182
n×3
63474273
n×4
84632364
n×5
105790455
n÷2
10579045.5
n÷3
7052697
n÷3
5289522.75
n÷5
4231618.2
n2
447664814764281
n3
9.4717328882808E+21
n4
2.0040378637794E+29
n5
4.240161548929E+36
2 √n
4599.7924953198
3 √n
276.5830067529
4 √n
67.821770069202
5 √n
29.180672478474
1 , 3 , 23 , 27 , 41 , 69 , 81 , 123 , 277 , 621 , 831 , 943 , 1107 , 1863 , 2829 , 3321 , 6371 , 7479 , 11357 , 19113 , 22437 , 25461 , 34071 , 76383 , 172017 , 261211 , 306639 , 516051 , 783633 , 919917 , 7052697 , 21158091
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21158090
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21158091 can be divided by 32 positive divisors.
The sum of these divisors (counting 21158091) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000101101100011001011
3
Ternary
1110210221110000
4
Quaternary
1100231203023
5
Quinary
20404024331
6
Senary
2033254043
8
Octal
120554313
10
Decimal
21158091
12
Duodecimal
7104323
16
Hexadecimal
142d8cb
20
Vigesimal
6c4f4b
36
Base36
clhor
md5
51b73d875d6b9cab7234284c122ea912
sha1
33258d82af034982243a5c37fecbfc7766bed9f6
sha256
1a0db2cea3a0c52891cdb05717e7df46104c7a771a55f9e41fa780e363a8e4d2
sha512
3f0aacd7d4ee0a1df0e047886662e6440081a697a1da9244585b54a5e33e454974a95d2ce7b41245d209398629240825f792d3507b3646926b853879c86b74ff
ripemd-160
a1b2d5a55abb438c4b907688a9113cd028d03833
Diameter
42316182
Circumference
132940206.49917
Area
1.4063804933341E+15
Volume
3.9675101944784E+22
Surface area
5.6255219733364E+15
Circumference
132940206.49917
Perimeter
84632364
Area
447664814764281
Diagonal
29922059.246124
Surface area
2685988888585686
Volume
9.4717328882808E+21
Space diagonal
36646888.603166
Perimeter
63474273
Area
1.9384455098316E+14
Altitude
18323444.301583
Surface area
1.9384455098316E+14
Volume
1.1162544258152E+21
Height
9974019.748708