125616991 is an odd 9-digits composite number following 125616990
and preceding 125616992 . In scientific notation, it is written as 1.25616991 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 121357560 positive integers (up to 125616991) that are relatively prime to 125616991.
125616991 has 8 divisors, whose sum is 129890304
The reverse of 125616991 is 199616521
Previous prime number is 647
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-five million six hundred sixteen thousand nine hundred ninety-one
Scientific notation
1.25616991 × 10^8
Engineering notation
1.25616991 × 10^6
Prime Factorization
31 × 647 × 6263
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
125616991
Product of the distinct prime numbers
The prime factorization of 125616991 is 31 × 647 × 6263.
Since it has a total of 3 prime factors.
2 , 3 , 30 , 8 , 377 , 650 , 1889 , 9601 , 76035 , 17008 , 239711 , 533199 , 8274046 , 9107428 , 70552008 , 25299954 , 591217334 , 853038506 , 4280286932 , 4777494928
n×2
251233982
n×3
376850973
n×4
502467964
n×5
628084955
n÷2
62808495.5
n÷3
41872330.333333
n÷3
31404247.75
n÷5
25123398.2
n2
15779628427894081
n3
1.9821894422101E+24
n4
2.489966733224E+32
n5
3.127821287177E+40
2 √n
11207.898598756
3 √n
500.8213048447
4 √n
105.86736323701
5 √n
41.668673701174
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
-125616990
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 125616991 can be divided by 8 positive divisors.
The sum of these divisors (counting 125616991) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011111001100001101011111
3
Ternary
22202101000010011
4
Quaternary
13133030031133
5
Quinary
224124220431
6
Senary
20244224051
8
Octal
737141537
10
Decimal
125616991
12
Duodecimal
3609b027
16
Hexadecimal
77cc35f
20
Vigesimal
1j5229b
36
Base36
22seov
md5
1e80ef6eb3b0184be4790d17cd3faf4d
sha1
9de71680bdb28170533a6a3760aba9a40e32c251
sha256
f8469ead74bf62bcdd2886ff6aa46f8a3851b211e1edbd19f25ac3c0c4be769a
sha512
51cd82e8b6f28aea714ccb6dd3900298126d949ce62ae62f2a5fc6336f39c19d776affef547d12c59bd779cc85f0cf75af182a2d8ba97f93fc3c183cd5800323
ripemd-160
bb17d800c8206d65339fbd2dbdd7c335df6e6d17
Diameter
251233982
Circumference
789274832.18331
Area
4.9573164745449E+16
Volume
8.3029757195607E+24
Surface area
1.9829265898179E+17
Circumference
789274832.18331
Perimeter
502467964
Area
15779628427894081
Diagonal
177649252.3367
Surface area
94677770567364486
Volume
1.9821894422101E+24
Space diagonal
217575010.70592
Perimeter
376850973
Area
6.8327795404177E+15
Altitude
108787505.35296
Surface area
6.8327795404177E+15
Volume
2.3360326603053E+23
Height
59216417.445566