157238749 is an odd 9-digits composite number following 157238748
and preceding 157238750 . In scientific notation, it is written as 1.57238749 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 154891836 positive integers (up to 157238749) that are relatively prime to 157238749.
157238749 has 4 divisors, whose sum is 159585664
The reverse of 157238749 is 947832751
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred fifty-seven million two hundred thirty-eight thousand seven hundred forty-nine
Scientific notation
1.57238749 × 10^8
Engineering notation
1.57238749 × 10^6
Prime Factorization
67 × 2346847
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157238749
Product of the distinct prime numbers
The prime factorization of 157238749 is 67 × 2346847.
Since it has a total of 2 prime factors.
6 , 2 , 70 , 46 , 959 , 146 , 1083 , 9620 , 90502 , 91902 , 76906 , 141808 , 7342052 , 3145611 , 60308446 , 58585891 , 406077564 , 954805419 , 2906005266 , 7245787340
n×2
314477498
n×3
471716247
n×4
628954996
n×5
786193745
n÷2
78619374.5
n÷3
52412916.333333
n÷3
39309687.25
n÷5
31447749.8
n2
24724024187085001
n3
3.887574633423E+24
n4
6.1127737200356E+32
n5
9.6116489265848E+40
2 √n
12539.487589212
3 √n
539.74238855507
4 √n
111.97985349701
5 √n
43.58247763625
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157238748
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157238749 can be divided by 4 positive divisors.
The sum of these divisors (counting 157238749) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010111110100010111011101
3
Ternary
101221212120000101
4
Quaternary
21113310113131
5
Quinary
310223114444
6
Senary
23334101101
8
Octal
1127642735
10
Decimal
157238749
12
Duodecimal
447aa791
16
Hexadecimal
95f45dd
20
Vigesimal
292egh9
36
Base36
2lm671
md5
b1784d00e725bf296ffc4b2d8ec5e966
sha1
33e9eafe8f1df9d0c0a3f377757ce32c6f6b9d69
sha256
f80988bd1d7d7c38b2b8f5532cf3c4828e88f3f02c4fab4fa15d00179880c825
sha512
0113b109ea14a961a5a6130d70ed698886d383842bfb9b86620f99622ef9c59391fcc659e3bace81493900ec16b1ecb1f6aeb957f269981068525ddd174fd94c
ripemd-160
c258151e3a51bbe566d9840ad18e4a53520681ca
Diameter
314477498
Circumference
987960197.4361
Area
7.7672812753323E+16
Volume
1.6284234544858E+25
Surface area
3.1069125101329E+17
Circumference
987960197.4361
Perimeter
628954996
Area
24724024187085001
Diagonal
222369171.36638
Surface area
148344145122510006
Volume
3.887574633423E+24
Space diagonal
272345502.18657
Perimeter
471716247
Area
1.0705816514898E+16
Altitude
136172751.09328
Surface area
1.0705816514898E+16
Volume
4.5815506427703E+23
Height
74123057.122126