157021408 is an even 9-digits composite number following 157021407
and preceding 157021409 . In scientific notation, it is written as 1.57021408 × 10^8.
The sum of its digits is 28. It has a total of 6 prime factors and 12 positive divisors.
There are 78510688 positive integers (up to 157021408) that are relatively prime to 157021408.
157021408 has 12 divisors, whose sum is 309135960
The reverse of 157021408 is 804120751
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred fifty-seven million twenty-one thousand four hundred eight
Scientific notation
1.57021408 × 10^8
Engineering notation
1.57021408 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 4906919
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
9813838
Product of the distinct prime numbers
The prime factorization of 157021408 is 2 × 2 × 2 × 2 × 2 × 4906919.
Since it has a total of 6 prime factors.
4 , 1 , 38 , 56 , 589 , 867 , 6279 , 6203 , 35231 , 26350 , 777021 , 68915 , 4983411 , 880910 , 37265016 , 56803335 , 550732990 , 344332423 , 3872331246 , 6384184534
n×2
314042816
n×3
471064224
n×4
628085632
n×5
785107040
n÷2
78510704
n÷3
52340469.333333
n÷3
39255352
n÷5
31404281.6
n2
24655722570302464
n3
3.8714762732463E+24
n4
6.0790465546372E+32
n5
9.5454044930669E+40
2 √n
12530.818329223
3 √n
539.49359016848
4 √n
111.94113778778
5 √n
43.570422718696
1 , 2 , 4 , 8 , 16 , 32 , 4906919 , 9813838 , 19627676 , 39255352 , 78510704 , 157021408
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157021407
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157021408 can be divided by 12 positive divisors.
The sum of these divisors (counting 157021408) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001010110111111010011100000
3
Ternary
101221110111212201
4
Quaternary
21112333103200
5
Quinary
310144141113
6
Senary
23325302544
8
Octal
1126772340
10
Decimal
157021408
12
Duodecimal
44704a54
16
Hexadecimal
95bf4e0
20
Vigesimal
2917da8
36
Base36
2lhihs
md5
2dc79fb2bdaaa7221539f77a7dd0e460
sha1
82c57f633f299b2160527da944145e95f532b128
sha256
a9e066f3cacb813062316f1fe124ea9e36dc5bc5483be15d399ebaf5aebb8818
sha512
cbe63dc6d81a7f5ba1d74c0c90731d1f8fb67a41d8391a3d277153f392dc0b0e4100c8a4372885036219926f04a9d4156d4756db119456a97d0955e967ad899f
ripemd-160
a0597b6258b6eee6285dc13ea21c4e114e71f743
Diameter
314042816
Circumference
986594603.65825
Area
7.745823689581E+16
Volume
1.6216801891437E+25
Surface area
3.0983294758324E+17
Circumference
986594603.65825
Perimeter
628085632
Area
24655722570302464
Diagonal
222061804.77652
Surface area
147934335421814784
Volume
3.8714762732463E+24
Space diagonal
271969056.532
Perimeter
471064224
Area
1.0676241047272E+16
Altitude
135984528.266
Surface area
1.0676241047272E+16
Volume
4.5625785433588E+23
Height
74020601.592173