21895087 is an odd 8-digits composite number following 21895086
and preceding 21895088 . In scientific notation, it is written as 2.1895087 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 19734624 positive integers (up to 21895087) that are relatively prime to 21895087.
21895087 has 16 divisors, whose sum is 24192000
The reverse of 21895087 is 78059812
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million eight hundred ninety-five thousand eighty-seven
Scientific notation
2.1895087 × 10^7
Engineering notation
2.1895087 × 10^6
Prime Factorization
29 × 19 × 79 × 503
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21895087
Product of the distinct prime numbers
The prime factorization of 21895087 is 29 × 19 × 79 × 503.
Since it has a total of 4 prime factors.
6 , 8 , 66 , 13 , 749 , 528 , 1354 , 7435 , 57236 , 72362 , 350618 , 867296 , 3360755 , 772539 , 40170922 , 53066665 , 237539030 , 801035402 , 3508684373 , 5200134111
n×2
43790174
n×3
65685261
n×4
87580348
n×5
109475435
n÷2
10947543.5
n÷3
7298362.3333333
n÷3
5473771.75
n÷5
4379017.4
n2
479394834737569
n3
1.049639161393E+22
n4
2.2981940757306E+29
n5
5.0319159231006E+36
2 √n
4679.2186313529
3 √n
279.75781354
4 √n
68.404814387241
5 √n
29.381186846647
1 , 19 , 29 , 79 , 503 , 551 , 1501 , 2291 , 9557 , 14587 , 39737 , 43529 , 277153 , 755003 , 1152373 , 21895087
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21895086
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21895087 can be divided by 16 positive divisors.
The sum of these divisors (counting 21895087) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011100001011110101111
3
Ternary
1112012101102011
4
Quaternary
1103201132233
5
Quinary
21101120322
6
Senary
2101142051
8
Octal
123413657
10
Decimal
21895087
12
Duodecimal
73ba927
16
Hexadecimal
14e17af
20
Vigesimal
6gghe7
36
Base36
d1acv
md5
06664df62ef1649758fa7c7b89338bc7
sha1
867b5d5306ea1e54760e40581466363cd583ffd9
sha256
1b54816b98770a33276d4bef6e74800671150f069741e64ed3f6b0b982bcc47c
sha512
8a039de9558a049ef18ecafc9ac0b330b37e7dc7a820c07c6b096b9f5abcfe0b76d37724bec92d7143928e6b2ca6736ad42be73946c31f4d5f50476864ac4392
ripemd-160
1f4eefe5587f74ba7ce01a1236ae12c24fc23d82
Diameter
43790174
Circumference
137570888.93782
Area
1.5060632909804E+15
Volume
4.3967182378031E+22
Surface area
6.0242531639218E+15
Circumference
137570888.93782
Perimeter
87580348
Area
479394834737569
Diagonal
30964328.984739
Surface area
2876369008425414
Volume
1.049639161393E+22
Space diagonal
37923403.120141
Perimeter
65685261
Area
2.0758405266289E+14
Altitude
18961701.56007
Surface area
2.0758405266289E+14
Volume
1.2370116146999E+21
Height
10321442.994913