21000537 is an odd 8-digits composite number following 21000536
and preceding 21000538 . In scientific notation, it is written as 2.1000537 × 10^7.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 13898808 positive integers (up to 21000537) that are relatively prime to 21000537.
21000537 has 8 divisors, whose sum is 23503200
The reverse of 21000537 is 73500012
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million five hundred thirty-seven
Scientific notation
2.1000537 × 10^7
Engineering notation
2.1000537 × 10^6
Prime Factorization
9 × 139 × 16787
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21000537
Product of the distinct prime numbers
The prime factorization of 21000537 is 9 × 139 × 16787.
Since it has a total of 3 prime factors.
3 , 6 , 70 , 99 , 493 , 816 , 7139 , 1140 , 24067 , 5989 , 213007 , 309489 , 5575673 , 4178389 , 92906961 , 42540843 , 793716024 , 32119575 , 5536922991 , 7080678145
n×2
42001074
n×3
63001611
n×4
84002148
n×5
105002685
n÷2
10500268.5
n÷3
7000179
n÷3
5250134.25
n÷5
4200107.4
n2
441022554288369
n3
9.2617104691674E+21
n4
1.9450089339104E+29
n5
4.0846232081915E+36
2 √n
4582.6342860848
3 √n
275.89476927248
4 √n
67.695157035676
5 √n
29.137083598846
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000536
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000537 can be divided by 8 positive divisors.
The sum of these divisors (counting 21000537) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000111000101011001
3
Ternary
1110111221022200
4
Quaternary
1100013011121
5
Quinary
20334004122
6
Senary
2030040413
8
Octal
120070531
10
Decimal
21000537
12
Duodecimal
7049109
16
Hexadecimal
1407159
20
Vigesimal
6b516h
36
Base36
ci449
md5
2accfd99b11ce561a26af99f0807777f
sha1
871a30ad9a7236733a56b6a499a8858140cf0bcc
sha256
e1536ed72bc06dc2dd9f1a5b05babf6909620c6fe4d645810b8a0544a757a9a0
sha512
bd2fa8ca6c16bd846dc5a694b102e055b18bb888a5993c935305f7933f2a1cdb881c9a4d5b155136cd5465e31879f85afc8dad11f93cc951ce1d1bdd612da672
ripemd-160
45ed71c70109e7d2ef0c4ea1ff10435f758da265
Diameter
42001074
Circumference
131950265.52128
Area
1.3855132166197E+15
Volume
3.8795362092816E+22
Surface area
5.542052866479E+15
Circumference
131950265.52128
Perimeter
84002148
Area
441022554288369
Diagonal
29699244.242518
Surface area
2646135325730214
Volume
9.2617104691674E+21
Space diagonal
36373997.07023
Perimeter
63001611
Area
1.9096836782781E+14
Altitude
18186998.535115
Surface area
1.9096836782781E+14
Volume
1.0915030463558E+21
Height
9899748.0808393