155981490 is an even 9-digits composite number following 155981489
and preceding 155981491 . In scientific notation, it is written as 1.55981490 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 35409600 positive integers (up to 155981490) that are relatively prime to 155981490.
155981490 has 32 divisors, whose sum is 323066880
The reverse of 155981490 is 094189551
Previous prime number is 151
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred fifty-five million nine hundred eighty-one thousand four hundred ninety
Scientific notation
1.55981490 × 10^8
Engineering notation
1.55981490 × 10^6
Prime Factorization
2 × 35 × 3 × 151 × 4919
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
155981490
Product of the distinct prime numbers
The prime factorization of 155981490 is 2 × 35 × 3 × 151 × 4919.
Since it has a total of 5 prime factors.
3 , 2 , 73 , 100 , 191 , 773 , 4949 , 2639 , 65670 , 86701 , 812928 , 815700 , 6058558 , 2650509 , 16067847 , 48615594 , 173494199 , 9262999 , 8798033059 , 958467840
n×2
311962980
n×3
467944470
n×4
623925960
n×5
779907450
n÷2
77990745
n÷3
51993830
n÷3
38995372.5
n÷5
31196298
n2
24330225222620100
n3
3.7950647822599E+24
n4
5.9195985938342E+32
n5
9.2334780886816E+40
2 √n
12489.254981783
3 √n
538.29996907054
4 √n
111.7553353616
5 √n
43.512557772802
1 , 2 , 3 , 6 , 35 , 70 , 105 , 151 , 210 , 302 , 453 , 906 , 4919 , 5285 , 9838 , 10570 , 14757 , 15855 , 29514 , 31710 , 172165 , 344330 , 516495 , 742769 , 1032990 , 1485538 , 2228307 , 4456614 , 25996915 , 51993830 , 77990745 , 155981490
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-155981489
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155981490 can be divided by 32 positive divisors.
The sum of these divisors (counting 155981490) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001010011000001011010110010
3
Ternary
101212111200101020
4
Quaternary
21103001122302
5
Quinary
304412401430
6
Senary
23251120310
8
Octal
1123013262
10
Decimal
155981490
12
Duodecimal
442a3096
16
Hexadecimal
94c16b2
20
Vigesimal
28ehdea
36
Base36
2kv836
md5
b7912cb6a255a8682dce71822a2fa870
sha1
ef4cb60cd81ffb21bbbb93713ca439432c9c87d9
sha256
8687f2444645e0c8ca485d546f6781a721819435eb6caddfbc7ea074a3d7ef8c
sha512
ddd8be565c9bbd9a140b7e769cdaf71bd7ff420d010bc5fe25d6473b6564cb8f6a07c46c943cfd1cce134ba78a340de0a2609758d16f1645eda3e8186b6f3630
ripemd-160
cec414fbe5b4d3c4677e3ccd0ff5a71e83718336
Diameter
311962980
Circumference
980060606.15998
Area
7.6435656819568E+16
Volume
1.589673018646E+25
Surface area
3.0574262727827E+17
Circumference
980060606.15998
Perimeter
623925960
Area
24330225222620100
Diagonal
220591138.63716
Surface area
145981351335720600
Volume
3.7950647822599E+24
Space diagonal
270167865.7203
Perimeter
467944470
Area
1.0535296561293E+16
Altitude
135083932.86015
Surface area
1.0535296561293E+16
Volume
4.4725267376303E+23
Height
73530379.545721