1225621891 is an odd 10-digits composite number following 1225621890
and preceding 1225621892 . In scientific notation, it is written as 1.225621891 × 10^9.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 1131060672 positive integers (up to 1225621891) that are relatively prime to 1225621891.
1225621891 has 8 divisors, whose sum is 1320230240
The reverse of 1225621891 is 1981265221
Previous prime number is 5113
Is Prime? no Number parity odd Number length 10 Sum of Digits 37 Digital Root 1
Name
one billion two hundred twenty-five million six hundred twenty-one thousand eight hundred ninety-one
Scientific notation
1.225621891 × 10^9
Engineering notation
1.225621891 × 10^9
Prime Factorization
13 × 5113 × 18439
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1225621891 Product of the distinct prime numbers
The prime factorization of 1225621891 is 13 × 5113 × 18439.
Since it has a total of 3 prime factors.
8 , 8 , 94 , 42 , 515 , 522 , 2906 , 6475 , 69304 , 52344 , 337004 , 592324 , 3490747 , 9331974 , 76929702 , 34585724 , 66712224 , 280680109 , 6599388838 , 4150207127
n×2
2451243782
n×3
3676865673
n×4
4902487564
n×5
6128109455
n÷2
612810945.5
n÷3
408540630.33333
n÷3
306405472.75
n÷5
245124378.2
n2
1502149019698415881
n3
1.8410667220866E+27
n4
2.2564516773809E+36
n5
2.7655565717817E+45
2 √n35008.883029883
3 √n1070.1685153986
4 √n187.10660872851
5 √n65.716027377636
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
-1225621890 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 1225621891 can be divided by 8 positive divisors.
The sum of these divisors (counting 1225621891) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001001000011011000000110000011
3
Ternary
10011102020001011101
4
Quaternary
1021003120012003
5
Quinary
10002224400031
6
Senary
321341155231
8
Octal
11103300603
10
Decimal
1225621891
12
Duodecimal
2a255bb17
16
Hexadecimal
490d8183
20
Vigesimal
j302eeb
36
Base36
k9pbwj
md5
e303906dc568496c2905cf46f1f47f85
sha1
027311cf1a0519066e2213dc52ac24dfdafc4911
sha256
4d0c41132a9ba7791d113e9056ffee492daee6642e971c2ff7a17c06d4b5b621
sha512
8dd92854a8b8ac6bd0a23246eaaf9491a27b02c59e461142c82a59254589a517f7872433c6e54668df627b1ece5a0fb212522eb1c0cb9af46db8c47dba7ab924
ripemd-160
d4f6778f8d5530d132b51a4db3f370fb1230c928
Diameter
2451243782
Circumference
7700809457.6889
Area
4.7191403248817E+18
Volume
7.7118422518344E+27
Surface area
1.8876561299527E+19
Circumference
7700809457.6889
Perimeter
4902487564
Area
1502149019698415881
Diagonal
1733291100.5936
Surface area
9012894118190495286
Volume
1.8410667220866E+27
Space diagonal
2122839386.0806
Perimeter
3676865673
Area
6.5044960566436E+17
Altitude
1061419693.0403
Surface area
6.5044960566436E+17
Volume
2.1697179396738E+26
Height
577763700.19785