149478144

Names of 149478144

• Cardinal: 149478144 can be written as One hundred forty-nine million, four hundred seventy-eight thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 1.49478144 × 10⁸

Factors of 149478144

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 129

Divisors of 149478144

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 24 32 34 48 51 64 68 96 102 107 128 136 192 204 214 256 272 321 384 408 428 544 642 768 816 856 1088 1284 1632 1712 1819 2176 2568 3264 3424 3638 4352 5136 5457 6528 6848 7276 10272 10914 11449 13056 13696 14552 20544 21828 22898 27392 29104 34347 41088 43656 45796 58208 68694 82176 87312 91592 116416 137388 174624 183184 194633 232832 274776 349248 366368 389266 465664 549552 583899 698496 732736 778532 1099104 1167798 1396992 1465472 1557064 2198208 2335596 2930944 3114128 4396416 4671192 6228256 8792832 9342384 12456512 18684768 24913024 37369536 49826048 74739072 149478144
• Sum of all divisors σ(n): 425205144
• Sum of proper divisors (its aliquot sum) s(n): 275727000
• 149478144 is an abundant number, because the sum of its proper divisors (275727000) is greater than itself. Its abundance is 126248856

Bases of 149478144

• Binary: 1000111010001101101100000000₂
• Hexadecimal: 0x8E8DB00
• Base-36: 2GZU2O

Squares and roots of 149478144

• 149478144 squared (149478144²) is 22343715533684736
• 149478144 cubed (149478144³) is 3339897128039163818409984
• The square root of 149478144 is 12226.1254696653
• The cube root of 149478144 is 530.7123966999

Scales and comparisons

• 149,478,144 seconds is equal to 4 years, 39 weeks, 1 day, 1 hour, 42 minutes, 24 seconds.
• To count from 1 to 149,478,144 would take you about seven 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 149478144 cubic inches would be around 44.2 feet tall.

Recreational maths with 149478144

• 149478144 backwards is 441874941
• The number of decimal digits it has is: 9
• The sum of 149478144's digits is 42
• More coming soon!