125721897 is an odd 9-digits composite number following 125721896
and preceding 125721898 . In scientific notation, it is written as 1.25721897 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 71160768 positive integers (up to 125721897) that are relatively prime to 125721897.
125721897 has 24 divisors, whose sum is 196844256
The reverse of 125721897 is 798127521
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-five million seven hundred twenty-one thousand eight hundred ninety-seven
Scientific notation
1.25721897 × 10^8
Engineering notation
1.25721897 × 10^6
Prime Factorization
3 × 7 × 7 × 107 × 7993
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
17960271
Product of the distinct prime numbers
The prime factorization of 125721897 is 3 × 7 × 7 × 107 × 7993.
Since it has a total of 5 prime factors.
7 , 6 , 94 , 3 , 587 , 881 , 6824 , 8109 , 38213 , 80060 , 161316 , 226715 , 1937906 , 174283 , 34506419 , 53522438 , 626886647 , 596805870 , 9272420297 , 8948882860
n×2
251443794
n×3
377165691
n×4
502887588
n×5
628609485
n÷2
62860948.5
n÷3
41907299
n÷3
31430474.25
n÷5
25144379.4
n2
15805995385278609
n3
1.9871597238105E+24
n4
2.4982949011945E+32
n5
3.140903742436E+40
2 √n
11212.577625149
3 √n
500.96068233009
4 √n
105.88945946198
5 √n
41.675631094991
1 , 3 , 7 , 21 , 49 , 107 , 147 , 321 , 749 , 2247 , 5243 , 7993 , 15729 , 23979 , 55951 , 167853 , 391657 , 855251 , 1174971 , 2565753 , 5986757 , 17960271 , 41907299 , 125721897
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-125721896
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 125721897 can be divided by 24 positive divisors.
The sum of these divisors (counting 125721897) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111011111100101110100101001
3
Ternary
22202120100000120
4
Quaternary
13133211310221
5
Quinary
224141100042
6
Senary
20250353453
8
Octal
737456451
10
Decimal
125721897
12
Duodecimal
3612b889
16
Hexadecimal
77e5d29
20
Vigesimal
1j5f4eh
36
Base36
22unmx
md5
3e4c7584aa8f474fbeb7c1da3cd5f78a
sha1
70b9e0e3286b9e9789805696ddf34d2e401c4ae7
sha256
3fa416335b195a609edcf1a247c69161185862c85309005f68d22bf610f8464e
sha512
f616630f0bd6e90057de36b93eb20297bf0800b3882370bbd0643bec24953fe0e7a3c90bd89ab77b864e279bdc80a47b5d415868975ca5225d050588353c41f9
ripemd-160
1b68afde7fd37b719ca49a03b25e7c702336e806
Diameter
251443794
Circumference
789933976.02115
Area
4.9655998985065E+16
Volume
8.3237951864433E+24
Surface area
1.9862399594026E+17
Circumference
789933976.02115
Perimeter
502887588
Area
15805995385278609
Diagonal
177797611.82467
Surface area
94835972311671654
Volume
1.9871597238105E+24
Space diagonal
217756713.22794
Perimeter
377165691
Area
6.8441967678754E+15
Altitude
108878356.61397
Surface area
6.8441967678754E+15
Volume
2.3418901933453E+23
Height
59265870.608224