251013808 is an even 9-digits composite number following 251013807
and preceding 251013809 . In scientific notation, it is written as 2.51013808 × 10^8.
The sum of its digits is 28. It has a total of 6 prime factors and 20 positive divisors.
There are 122445440 positive integers (up to 251013808) that are relatively prime to 251013808.
251013808 has 20 divisors, whose sum is 498202488
The reverse of 251013808 is 808310152
Previous prime number is 41
Is Prime? no
Number parity even
Number length 9
Sum of Digits 28
Digital Root 1
Name
two hundred fifty-one million thirteen thousand eight hundred eight
Scientific notation
2.51013808 × 10^8
Engineering notation
2.51013808 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 41 × 382643
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
31376726
Product of the distinct prime numbers
The prime factorization of 251013808 is 2 × 2 × 2 × 2 × 41 × 382643.
Since it has a total of 6 prime factors.
4 , 7 , 94 , 58 , 942 , 431 , 7277 , 9683 , 28044 , 41014 , 85805 , 69131 , 1353124 , 1853878 , 45740022 , 82348137 , 573305333 , 931986825 , 3008292414 , 7157429972
n×2
502027616
n×3
753041424
n×4
1004055232
n×5
1255069040
n÷2
125506904
n÷3
83671269.333333
n÷3
62753452
n÷5
50202761.6
n2
63007931806660864
n3
1.5815860896994E+25
n4
3.9699994705528E+33
n5
9.9652468486145E+41
2 √n
15843.415288378
3 √n
630.81092182221
4 √n
125.87062917288
5 √n
47.856344546228
1 , 2 , 4 , 8 , 16 , 41 , 82 , 164 , 328 , 656 , 382643 , 765286 , 1530572 , 3061144 , 6122288 , 15688363 , 31376726 , 62753452 , 125506904 , 251013808
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-251013807
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 251013808 can be divided by 20 positive divisors.
The sum of these divisors (counting 251013808) is 1, the average is 0.05.
Base
System
Value
2
Binary
1110111101100010101010110000
3
Ternary
122111022211012201
4
Quaternary
32331202222300
5
Quinary
1003224420213
6
Senary
40524032544
8
Octal
1675425260
10
Decimal
251013808
12
Duodecimal
70092754
16
Hexadecimal
ef62ab0
20
Vigesimal
3i8gea8
36
Base36
45g3hs
md5
5714163b355916c38b3e6dca2b0dae2d
sha1
e0142bf44cea618112d37630f0cb9cd4689bf4cc
sha256
ef72aee0faf4c450b8b5bcbc661bebf8dfa0b0f4e135aaee12d757e323cbbc97
sha512
ab464293e16b012edfd6b94d9ae267f30f357b496b97574c45676a0e537e9e64ce7fb003d4ce054f022b11fa12d92300825dd7aaa114d8f2ea531f425e0f456b
ripemd-160
23801536852b0d9c2f11132fa782e79449d5b47d
Diameter
502027616
Circumference
1577166270.3248
Area
1.9794525568169E+17
Volume
6.6249323205594E+25
Surface area
7.9178102272677E+17
Circumference
1577166270.3248
Perimeter
1004055232
Area
63007931806660864
Diagonal
354987131.61652
Surface area
378047590839965184
Volume
1.5815860896994E+25
Space diagonal
434768668.85734
Perimeter
753041424
Area
2.7283234792243E+16
Altitude
217384334.42867
Surface area
2.7283234792243E+16
Volume
1.8639170817613E+24
Height
118329043.87217