168420157 is an odd 9-digits composite number following 168420156
and preceding 168420158 . In scientific notation, it is written as 1.68420157 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 168179200 positive integers (up to 168420157) that are relatively prime to 168420157.
168420157 has 4 divisors, whose sum is 168661116
The reverse of 168420157 is 751024861
Previous prime number is 701
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred sixty-eight million four hundred twenty thousand one hundred fifty-seven
Scientific notation
1.68420157 × 10^8
Engineering notation
1.68420157 × 10^6
Prime Factorization
701 × 240257
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
168420157
Product of the distinct prime numbers
The prime factorization of 168420157 is 701 × 240257.
Since it has a total of 2 prime factors.
2 , 1 , 89 , 50 , 997 , 832 , 3100 , 9859 , 89903 , 98647 , 793523 , 752503 , 3906407 , 9367324 , 39985085 , 72149438 , 253157072 , 106267540 , 3727909561 , 6891870965
n×2
336840314
n×3
505260471
n×4
673680628
n×5
842100785
n÷2
84210078.5
n÷3
56140052.333333
n÷3
42105039.25
n÷5
33684031.4
n2
28365349283904649
n3
4.7772965797551E+24
n4
8.0459303999791E+32
n5
1.3550968611756E+41
2 √n
12977.679183891
3 √n
552.24444491911
4 √n
113.91961720394
5 √n
44.185402305454
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
-168420156
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 168420157 can be divided by 4 positive divisors.
The sum of these divisors (counting 168420157) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000010011110001100111101
3
Ternary
102201220122000121
4
Quaternary
22002132030331
5
Quinary
321103421112
6
Senary
24413454541
8
Octal
1202361475
10
Decimal
168420157
12
Duodecimal
484a1451
16
Hexadecimal
a09e33d
20
Vigesimal
2ccca7h
36
Base36
2s9ttp
md5
f3b3699dad5bb62c856d7a3ee210307b
sha1
651b535d9069b6444294844b82cc135408db412c
sha256
a42a1eea5766d9745446d81309de9f1fab8213ebf61644391975092fb1947244
sha512
13a7b62bb83e94a9cde75bebbd98c0bc26082f3233459c33df9adc6a44fe3d4fba02a894d1f49184b298c1417b3fda1433d344f65485c559831a72bc274215ee
ripemd-160
839ac685cb57868fd0aa70dca9222045843814f0
Diameter
336840314
Circumference
1058215055.8953
Area
8.9112372926823E+16
Volume
2.0011093118638E+25
Surface area
3.5644949170729E+17
Circumference
1058215055.8953
Perimeter
673680628
Area
28365349283904649
Diagonal
238182070.20641
Surface area
170192095703427894
Volume
4.7772965797551E+24
Space diagonal
291712268.94273
Perimeter
505260471
Area
1.228255653354E+16
Altitude
145856134.47136
Surface area
1.228255653354E+16
Volume
5.6300980121402E+23
Height
79394023.402135