122990490

Names of 122990490

• Cardinal: 122990490 can be written as One hundred twenty-two million, nine hundred ninety thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.2299049 × 10⁸

Factors of 122990490

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 184

Divisors of 122990490

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 49 63 70 90 98 105 126 147 167 210 245 294 315 334 441 490 501 630 735 835 882 1002 1169 1470 1503 1670 2205 2338 2505 3006 3507 4410 5010 5845 7014 7515 8183 10521 11690 15030 16366 17535 21042 24549 27889 35070 40915 49098 52605 55778 73647 81830 83667 105210 122745 139445 147294 167334 195223 245490 251001 278890 368235 390446 418335 502002 585669 736470 836670 976115 1171338 1255005 1366561 1757007 1952230 2510010 2733122 2928345 3514014 4099683 5856690 6832805 8199366 8785035 12299049 13665610 17570070 20498415 24598098 40996830 61495245 122990490
• Sum of all divisors σ(n): 374224266
• Sum of proper divisors (its aliquot sum) s(n): 251233776
• 122990490 is an abundant number, because the sum of its proper divisors (251233776) is greater than itself. Its abundance is 128243286

Bases of 122990490

• Binary: 111010101001010111110011010₂
• Hexadecimal: 0x754AF9A
• Base-36: 21842I

Squares and roots of 122990490

• 122990490 squared (122990490²) is 15126660630440100
• 122990490 cubed (122990490³) is 1860435403001536814649000
• The square root of 122990490 is 11090.1077542105
• The cube root of 122990490 is 497.3061659137

Scales and comparisons

• 122,990,490 seconds is equal to 3 years, 47 weeks, 2 days, 12 hours, 1 minute, 30 seconds.
• To count from 1 to 122,990,490 would take you about five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 122990490 cubic inches would be around 41.4 feet tall.

Recreational maths with 122990490

• 122990490 backwards is 094099221
• The number of decimal digits it has is: 9
• The sum of 122990490's digits is 36
• More coming soon!