157218198 is an even 9-digits composite number following 157218197
and preceding 157218199 . In scientific notation, it is written as 1.57218198 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 49647816 positive integers (up to 157218198) that are relatively prime to 157218198.
157218198 has 16 divisors, whose sum is 330985920
The reverse of 157218198 is 891812751
Previous prime number is 19
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred fifty-seven million two hundred eighteen thousand one hundred ninety-eight
Scientific notation
1.57218198 × 10^8
Engineering notation
1.57218198 × 10^6
Prime Factorization
2 × 3 × 19 × 1379107
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
157218198
Product of the distinct prime numbers
The prime factorization of 157218198 is 2 × 3 × 19 × 1379107.
Since it has a total of 4 prime factors.
3 , 4 , 45 , 40 , 781 , 661 , 1308 , 2732 , 83816 , 30254 , 485716 , 46984 , 1752686 , 1119373 , 94193326 , 23320733 , 297382848 , 928745720 , 143567051 , 1453837465
n×2
314436396
n×3
471654594
n×4
628872792
n×5
786090990
n÷2
78609099
n÷3
52406066
n÷3
39304549.5
n÷5
31443639.6
n2
24717561782367204
n3
3.8860505223774E+24
n4
6.1095786046514E+32
n5
9.6053693876265E+40
2 √n
12538.668111087
3 √n
539.71887287338
4 √n
111.97619439456
5 √n
43.581338336513
1 , 2 , 3 , 6 , 19 , 38 , 57 , 114 , 1379107 , 2758214 , 4137321 , 8274642 , 26203033 , 52406066 , 78609099 , 157218198
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157218197
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157218198 can be divided by 16 positive divisors.
The sum of these divisors (counting 157218198) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010111101111010110010110
3
Ternary
101221211111211020
4
Quaternary
21113233112112
5
Quinary
310221440243
6
Senary
23333422010
8
Octal
1127572626
10
Decimal
157218198
12
Duodecimal
4479a906
16
Hexadecimal
95ef596
20
Vigesimal
292c59i
36
Base36
2llqc6
md5
d00381a4bdc32b4efb971acde1ff53f7
sha1
9c3722deda8cf038f9981847c458e8afac6baadd
sha256
a4a1dcfc68651347eca7e292e63c55738604471985bb80d9987819a7c1fa43ed
sha512
ab5b842bd4ee41e79b201c3b9405feb34cf1bbaff07f0347dcf10bd792642081a59c7eed88398b8e4bd663c3b73bb45eef582f57505a0f4d1a4871e925de2b46
ripemd-160
0be08c43f56a02619119f12eae7568a95b476b4f
Diameter
314436396
Circumference
987831071.69485
Area
7.7652510510137E+16
Volume
1.627785036344E+25
Surface area
3.1061004204055E+17
Circumference
987831071.69485
Perimeter
628872792
Area
24717561782367204
Diagonal
222340107.86346
Surface area
148305370694203224
Volume
3.8860505223774E+24
Space diagonal
272309906.81042
Perimeter
471654594
Area
1.0703018211571E+16
Altitude
136154953.40521
Surface area
1.0703018211571E+16
Volume
4.5797544606777E+23
Height
74113369.28782