155238907 is an odd 9-digits composite number following 155238906
and preceding 155238908 . In scientific notation, it is written as 1.55238907 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 155106280 positive integers (up to 155238907) that are relatively prime to 155238907.
155238907 has 4 divisors, whose sum is 155371536
The reverse of 155238907 is 709832551
Previous prime number is 1181
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred fifty-five million two hundred thirty-eight thousand nine hundred seven
Scientific notation
1.55238907 × 10^8
Engineering notation
1.55238907 × 10^6
Prime Factorization
1181 × 131447
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
155238907
Product of the distinct prime numbers
The prime factorization of 155238907 is 1181 × 131447.
Since it has a total of 2 prime factors.
4 , 10 , 52 , 7 , 324 , 495 , 7754 , 4586 , 85659 , 33876 , 22820 , 455940 , 5429108 , 6995455 , 14441970 , 24711078 , 952973924 , 555442641 , 3090877202 , 3570608624
n×2
310477814
n×3
465716721
n×4
620955628
n×5
776194535
n÷2
77619453.5
n÷3
51746302.333333
n÷3
38809726.75
n÷5
31047781.4
n2
24099118246554649
n3
3.7411207762589E+24
n4
5.8076750026142E+32
n5
9.0157711961706E+40
2 √n
12459.490639669
3 √n
537.44437946182
4 √n
111.62208849358
5 √n
43.471048497964
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
-155238906
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 155238907 can be divided by 4 positive divisors.
The sum of these divisors (counting 155238907) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010000001100000111111011
3
Ternary
101211002221202011
4
Quaternary
21100030013323
5
Quinary
304220121112
6
Senary
23223150351
8
Octal
1120140773
10
Decimal
155238907
12
Duodecimal
43ba53b7
16
Hexadecimal
940c1fb
20
Vigesimal
28a4h57
36
Base36
2kfb3v
md5
3d8773a2db385ce627aeb3bd0ababeff
sha1
f68c898952cb8392097bcb0290a609ea561afa24
sha256
d673702f96b963becdfc79685a8bca2dc8719c45bc8ae071984c25693f601e22
sha512
8efc7084fdedd8b3cf194ec1e0b98898833cd62718f336f6902cc7b09c50268a836a629f8d87d7cb2d682887cbb8f0bb8153587e3a17bc58c3564c4c7fdd6896
ripemd-160
60adfcbbb6e673dfe6c526e72ccc0bb9b0f92f64
Diameter
310477814
Circumference
975394819.56502
Area
7.5709612841368E+16
Volume
1.5670770062516E+25
Surface area
3.0283845136547E+17
Circumference
975394819.56502
Perimeter
620955628
Area
24099118246554649
Diagonal
219540967.68738
Surface area
144594709479327894
Volume
3.7411207762589E+24
Space diagonal
268881674.23546
Perimeter
465716721
Area
1.0435224305161E+16
Altitude
134440837.11773
Surface area
1.0435224305161E+16
Volume
4.4089531168842E+23
Height
73180322.562459