157440978 is an even 9-digits composite number following 157440977
and preceding 157440979 . In scientific notation, it is written as 1.57440978 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 49393152 positive integers (up to 157440978) that are relatively prime to 157440978.
157440978 has 24 divisors, whose sum is 361188828
The reverse of 157440978 is 879044751
Previous prime number is 17
Is Prime? no Number parity even Number length 9 Sum of Digits 45 Digital Root 9
Name
one hundred fifty-seven million four hundred forty thousand nine hundred seventy-eight
Scientific notation
1.57440978 × 10^8
Engineering notation
1.57440978 × 10^6
Prime Factorization
2 × 3 × 3 × 17 × 514513
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
52480326 Product of the distinct prime numbers
The prime factorization of 157440978 is 2 × 3 × 3 × 17 × 514513.
Since it has a total of 5 prime factors.
10 , 8 , 83 , 44 , 184 , 176 , 4623 , 1904 , 8145 , 20212 , 224101 , 826897 , 4018950 , 52415 , 81061193 , 3295305 , 969612745 , 347023858 , 1835117017 , 2084143980
n×2
314881956
n×3
472322934
n×4
629763912
n×5
787204890
n÷2
78720489
n÷3
52480326
n÷3
39360244.5
n÷5
31488195.6
n2
24787661553596484
n3
3.9025936773312E+24
n4
6.1442816529565E+32
n5
9.6736171254892E+40
2 √n12547.548684903
3 √n539.97368184492
4 √n112.01584122303
5 √n43.593682393648
1 , 2 , 3 , 6 , 9 , 17 , 18 , 34 , 51 , 102 , 153 , 306 , 514513 , 1029026 , 1543539 , 3087078 , 4630617 , 8746721 , 9261234 , 17493442 , 26240163 , 52480326 , 78720489 , 157440978
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
-157440977 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 157440978 can be divided by 24 positive divisors.
The sum of these divisors (counting 157440978) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001011000100101101111010010
3
Ternary
101222020211102100
4
Quaternary
21120211233102
5
Quinary
310301102403
6
Senary
23342301230
8
Octal
1130455722
10
Decimal
157440978
12
Duodecimal
44887816
16
Hexadecimal
9625bd2
20
Vigesimal
294028i
36
Base36
2lqi8i
md5
8f5ecb8f9c3d6463895d20170dad072e
sha1
a911318ad034b1de0804e13505808db4850b87bc
sha256
eb8a11d4d01ef7890835a15d06975d4622180cde6c4c4bab8478e2dbb89bbb07
sha512
49a3139d5cba6f6e1d610a8f34bc83040aefb9a8625980b8e092b19302b0b7d4e9b42130f89918ac67e4463a7edc21dba0b74021d605e1c6376e4c0256cc9bb7
ripemd-160
bf22157f99152c94ff1e4b2654149c5f3fda9c23
Diameter
314881956
Circumference
989230839.71758
Area
7.7872735436449E+16
Volume
1.6347146168866E+25
Surface area
3.114909417458E+17
Circumference
989230839.71758
Perimeter
629763912
Area
24787661553596484
Diagonal
222655166.36088
Surface area
148725969321578904
Volume
3.9025936773312E+24
Space diagonal
272695773.08933
Perimeter
472322934
Area
1.0733372302913E+16
Altitude
136347886.54467
Surface area
1.0733372302913E+16
Volume
4.5992507557611E+23
Height
74218388.786961