155230387 is an odd 9-digits composite number following 155230386
and preceding 155230388 . In scientific notation, it is written as 1.55230387 × 10^8.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 136281600 positive integers (up to 155230387) that are relatively prime to 155230387.
155230387 has 8 divisors, whose sum is 156537360
The reverse of 155230387 is 783032551
Previous prime number is 1763
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred fifty-five million two hundred thirty thousand three hundred eighty-seven
Scientific notation
1.55230387 × 10^8
Engineering notation
1.55230387 × 10^6
Prime Factorization
169 × 1763 × 521
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
155230387
Product of the distinct prime numbers
The prime factorization of 155230387 is 169 × 1763 × 521.
Since it has a total of 3 prime factors.
1 , 8 , 96 , 30 , 656 , 156 , 7720 , 2353 , 200 , 78317 , 168912 , 405146 , 6904244 , 5902770 , 94733642 , 81089816 , 705162140 , 956639774 , 7420161410 , 5465760626
n×2
310460774
n×3
465691161
n×4
620921548
n×5
776151935
n÷2
77615193.5
n÷3
51743462.333333
n÷3
38807596.75
n÷5
31046077.4
n2
24096473048169769
n3
3.7405048366025E+24
n4
5.8064001336117E+32
n5
9.013297398174E+40
2 √n
12459.14872694
3 √n
537.43454706869
4 √n
111.62055691914
5 √n
43.470571321886
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
-155230386
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 155230387 can be divided by 8 positive divisors.
The sum of these divisors (counting 155230387) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010000001010000010110011
3
Ternary
101211002112001121
4
Quaternary
21100022002303
5
Quinary
304214333022
6
Senary
23223043111
8
Octal
1120120263
10
Decimal
155230387
12
Duodecimal
43ba0497
16
Hexadecimal
940a0b3
20
Vigesimal
28a3fj7
36
Base36
2kf4j7
md5
7eccab7a89434fd2651bbbc35f5d4dd5
sha1
f4f032ae183378399e3f2170169e6d6d76ceffba
sha256
aae9ac6b144998d41887963bb9b7309d72abcfc3b4eed46200e951cab8c8fb68
sha512
6521c20a895b72477b622e8508b09458bac57d50b9d3111b89bb58eeb0b60bfc980421071847091627a5ca51e042a2adae5ed496fcbf1b5d293339f583289d77
ripemd-160
1f1efab928190fcde1166af01c41c3b6cac9860b
Diameter
310460774
Circumference
975341286.8262
Area
7.5701302705555E+16
Volume
1.5668190020517E+25
Surface area
3.0280521082222E+17
Circumference
975341286.8262
Perimeter
620921548
Area
24096473048169769
Diagonal
219528918.58782
Surface area
144578838289018614
Volume
3.7405048366025E+24
Space diagonal
268866917.16258
Perimeter
465691161
Area
1.0434078900661E+16
Altitude
134433458.58129
Surface area
1.0434078900661E+16
Volume
4.4082272250378E+23
Height
73176306.195941