20001251 is an odd 8-digits composite number following 20001250
and preceding 20001252 . In scientific notation, it is written as 2.0001251 × 10^7.
The sum of its digits is 11. It has a total of 2 prime factors and 4 positive divisors.
There are 19991400 positive integers (up to 20001251) that are relatively prime to 20001251.
20001251 has 4 divisors, whose sum is 20011104
The reverse of 20001251 is 15210002
Previous prime number is 2861
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 11
Digital Root 2
Name
twenty million one thousand two hundred fifty-one
Scientific notation
2.0001251 × 10^7
Engineering notation
2.0001251 × 10^6
Prime Factorization
2861 × 6991
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20001251
Product of the distinct prime numbers
The prime factorization of 20001251 is 2861 × 6991.
Since it has a total of 2 prime factors.
3 , 8 , 60 , 57 , 761 , 127 , 3011 , 6880 , 2479 , 97072 , 130278 , 487738 , 3298754 , 5236281 , 98560389 , 90022772 , 830025246 , 991650565 , 9424340946 , 1079423583
n×2
40002502
n×3
60003753
n×4
80005004
n×5
100006255
n÷2
10000625.5
n÷3
6667083.6666667
n÷3
5000312.75
n÷5
4000250.2
n2
400050041565001
n3
8.001501293902E+21
n4
1.6004003575616E+29
n5
3.2010009252079E+36
2 √n
4472.2758188645
3 √n
271.44742110222
4 √n
66.875076215766
5 √n
28.85435907263
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
-20001250
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 20001251 can be divided by 4 positive divisors.
The sum of these divisors (counting 20001251) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010011000111100011
3
Ternary
1101122011120002
4
Quaternary
1030103013203
5
Quinary
20110020001
6
Senary
1552410215
8
Octal
114230743
10
Decimal
20001251
12
Duodecimal
684696b
16
Hexadecimal
13131e3
20
Vigesimal
65032b
36
Base36
bwp2b
md5
78a61ed14d6383d34e914252145e50a7
sha1
2cde589b7935a802917b1d5020c31da35f3102a5
sha256
fb1124f2e2c5bc50ffe0839b442dbb8d6f3b0ba10f998c0621e5a097d9503f8e
sha512
645541f07da264abd9fd4468bc07ac4c7b16f25f929d21cfd4ac40b9e9042034a129957099a6a35298bd770613ee8cf37429c1c2627da3ae410904aa86e34951
ripemd-160
1e7ac69d2622b8d315e6e2aaa8f37c9bf90a8090
Diameter
40002502
Circumference
125671566.40841
Area
1.2567942716489E+15
Volume
3.3516610243482E+22
Surface area
5.0271770865956E+15
Circumference
125671566.40841
Perimeter
80005004
Area
400050041565001
Diagonal
28286040.428628
Surface area
2400300249390006
Volume
8.001501293902E+21
Space diagonal
34643182.946938
Perimeter
60003753
Area
1.7322674939016E+14
Altitude
17321591.473469
Surface area
1.7322674939016E+14
Volume
9.4298597076518E+20
Height
9428680.1428761