21139954 is an even 8-digits composite number following 21139953
and preceding 21139955 . In scientific notation, it is written as 2.1139954 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 32 positive divisors.
There are 9190800 positive integers (up to 21139954) that are relatively prime to 21139954.
21139954 has 32 divisors, whose sum is 36126720
The reverse of 21139954 is 45993112
Previous prime number is 139
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million one hundred thirty-nine thousand nine hundred fifty-four
Scientific notation
2.1139954 × 10^7
Engineering notation
2.1139954 × 10^6
Prime Factorization
2 × 11 × 31 × 139 × 223
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21139954
Product of the distinct prime numbers
The prime factorization of 21139954 is 2 × 11 × 31 × 139 × 223.
Since it has a total of 5 prime factors.
7 , 9 , 69 , 67 , 435 , 949 , 7561 , 9713 , 16070 , 93776 , 957514 , 638358 , 3675946 , 3857133 , 29642961 , 61928437 , 707603465 , 833987193 , 4383546610 , 6366458830
n×2
42279908
n×3
63419862
n×4
84559816
n×5
105699770
n÷2
10569977
n÷3
7046651.3333333
n÷3
5284988.5
n÷5
4227990.8
n2
446897655122116
n3
9.4473958719894E+21
n4
1.9971751415365E+29
n5
4.2220190622024E+36
2 √n
4597.8205706617
3 √n
276.50395393653
4 √n
67.807230961467
5 √n
29.175667949264
1 , 2 , 11 , 22 , 31 , 62 , 139 , 223 , 278 , 341 , 446 , 682 , 1529 , 2453 , 3058 , 4309 , 4906 , 6913 , 8618 , 13826 , 30997 , 47399 , 61994 , 76043 , 94798 , 152086 , 340967 , 681934 , 960907 , 1921814 , 10569977 , 21139954
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
-21139953
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 21139954 can be divided by 32 positive divisors.
The sum of these divisors (counting 21139954) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000101001000111110010
3
Ternary
1110210000120021
4
Quaternary
1100221013302
5
Quinary
20402434304
6
Senary
2033034054
8
Octal
120510762
10
Decimal
21139954
12
Duodecimal
70b592a
16
Hexadecimal
14291f2
20
Vigesimal
6c29he
36
Base36
cl3oy
md5
459082524cec68a4e00cffdcdfa4739c
sha1
d0577869225dbf59c05df3cef1cc7cded37d1770
sha256
ca406ae14e291af60c13d1691a706994f373274e53cc455290702285e7abad15
sha512
bb4bc3bf4a91201c16b64490c9b494b96f2bfbe1884764363dd5061b471b796cbcaace7eb5fbf3e5142ee6b39e81018ed30127419d68ae8282e43dc4541aeff4
ripemd-160
cf55d6fdfcf4093309d9eb6efce4a476759ac8d7
Diameter
42279908
Circumference
132826248.36725
Area
1.4039703902381E+15
Volume
3.9573159289329E+22
Surface area
5.6158815609526E+15
Circumference
132826248.36725
Perimeter
84559816
Area
446897655122116
Diagonal
29896409.654743
Surface area
2681385930732696
Volume
9.4473958719894E+21
Space diagonal
36615474.397669
Perimeter
63419862
Area
1.9351236111372E+14
Altitude
18307737.198834
Surface area
1.9351236111372E+14
Volume
1.1133862809396E+21
Height
9965469.8849145