21291244 is an even 8-digits composite number following 21291243
and preceding 21291245 . In scientific notation, it is written as 2.1291244 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors.
There are 9789120 positive integers (up to 21291244) that are relatively prime to 21291244.
21291244 has 24 divisors, whose sum is 40279568
The reverse of 21291244 is 44219212
Previous prime number is 1237
Is Prime? no Number parity even Number length 8 Sum of Digits 25 Digital Root 7
Name
twenty-one million two hundred ninety-one thousand two hundred forty-four
Scientific notation
2.1291244 × 10^7
Engineering notation
2.1291244 × 10^6
Prime Factorization
2 × 2 × 13 × 1237 × 331
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
10645622 Product of the distinct prime numbers
The prime factorization of 21291244 is 2 × 2 × 13 × 1237 × 331.
Since it has a total of 5 prime factors.
5 , 2 , 85 , 97 , 818 , 284 , 9404 , 9462 , 9667 , 55406 , 907698 , 127584 , 3436631 , 3651475 , 59670128 , 55508800 , 601063709 , 162525370 , 8942838831 , 5850363320
n×2
42582488
n×3
63873732
n×4
85164976
n×5
106456220
n÷2
10645622
n÷3
7097081.3333333
n÷3
5322811
n÷5
4258248.8
n2
453317071067536
n3
9.6516843694642E+21
n4
2.0549636692125E+29
n5
4.3752732892339E+36
2 √n4614.2435999847
3 √n277.16199519642
4 √n67.928223883631
5 √n29.217308580569
1 , 2 , 4 , 13 , 26 , 52 , 331 , 662 , 1237 , 1324 , 2474 , 4303 , 4948 , 8606 , 16081 , 17212 , 32162 , 64324 , 409447 , 818894 , 1637788 , 5322811 , 10645622 , 21291244
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-21291243 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21291244 can be divided by 24 positive divisors.
The sum of these divisors (counting 21291244) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001001110000011101100
3
Ternary
1111001201002121
4
Quaternary
1101032003230
5
Quinary
20422304434
6
Senary
2040202324
8
Octal
121160354
10
Decimal
21291244
12
Duodecimal
71693a4
16
Hexadecimal
144e0ec
20
Vigesimal
6d1824
36
Base36
cocfg
md5
2200572223247497f78fba7a746c8405
sha1
0db6d3f1f873289cce78a06a669ed1d516c300c5
sha256
57028431c3fcde314a863d7805d2e433397573343d003639a39a9628e1a5e87e
sha512
471e7282c10f19f4c222a4662cf1f3bf6da9ab3994787f350589a70c63bd0bd141078ca4daed10efbb0ee6e0b0c86ce1b4a561995a0646919ec076087f13aab5
ripemd-160
4cdbfdc00363ab80cb68dd7fa006d5c448e47d10
Diameter
42582488
Circumference
133776831.47238
Area
1.4241375802126E+15
Volume
4.0428880946502E+22
Surface area
5.6965503208505E+15
Circumference
133776831.47238
Perimeter
85164976
Area
453317071067536
Diagonal
30110366.024595
Surface area
2719902426405216
Volume
9.6516843694642E+21
Space diagonal
36877516.364346
Perimeter
63873732
Area
1.9629204975682E+14
Altitude
18438758.182173
Surface area
1.9629204975682E+14
Volume
1.1374619112534E+21
Height
10036788.674865