21151277 is an odd 8-digits composite number following 21151276
and preceding 21151278 . In scientific notation, it is written as 2.1151277 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 18129660 positive integers (up to 21151277) that are relatively prime to 21151277.
21151277 has 4 divisors, whose sum is 24172896
The reverse of 21151277 is 77215112
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million one hundred fifty-one thousand two hundred seventy-seven
Scientific notation
2.1151277 × 10^7
Engineering notation
2.1151277 × 10^6
Prime Factorization
7 × 3021611
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21151277
Product of the distinct prime numbers
The prime factorization of 21151277 is 7 × 3021611.
Since it has a total of 2 prime factors.
2 , 7 , 64 , 61 , 251 , 232 , 8124 , 7880 , 35111 , 456 , 630341 , 114928 , 8359360 , 91804 , 84785597 , 47427280 , 954943107 , 602969132 , 9773693529 , 4991838230
n×2
42302554
n×3
63453831
n×4
84605108
n×5
105756385
n÷2
10575638.5
n÷3
7050425.6666667
n÷3
5287819.25
n÷5
4230255.4
n2
447376518730729
n3
9.4625846709693E+21
n4
2.0014574951163E+29
n5
4.233338188293E+36
2 √n
4599.0517500894
3 √n
276.55331221885
4 √n
67.816308879866
5 √n
29.17879269904
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21151276
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21151277 can be divided by 4 positive divisors.
The sum of these divisors (counting 21151277) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000101011111000101101
3
Ternary
1110210121002122
4
Quaternary
1100223320231
5
Quinary
20403320102
6
Senary
2033202325
8
Octal
120537055
10
Decimal
21151277
12
Duodecimal
71003a5
16
Hexadecimal
142be2d
20
Vigesimal
6c3i3h
36
Base36
clcfh
md5
c1eb3fae14bc8d32246a58d16c156ca8
sha1
88c5e6aef6b6ad5715fcf5bf05316787117bfadc
sha256
8f8c7e96c72ff577b148d6b7a1950167941acc38b99194cccb93b2191f2f4390
sha512
457f4a59ebc45f0bef8b1d44369a0d0a4a628eec2142588beb3ad876fd025823636e71e2c45521631baf4ca5bf396f9df7cd1ea8a465b257868a1ec3725895b3
ripemd-160
ddccce13c3b3418082ed25717da25ede2170e671
Diameter
42302554
Circumference
132897392.87449
Area
1.405474784633E+15
Volume
3.9636781981718E+22
Surface area
5.6218991385321E+15
Circumference
132897392.87449
Perimeter
84605108
Area
447376518730729
Diagonal
29912422.79491
Surface area
2684259112384374
Volume
9.4625846709693E+21
Space diagonal
36635086.408963
Perimeter
63453831
Area
1.9371971513873E+14
Altitude
18317543.204482
Surface area
1.9371971513873E+14
Volume
1.1151762980657E+21
Height
9970807.5983034