149681664

Names of 149681664

• Cardinal: 149681664 can be written as One hundred forty-nine million, six hundred eighty-one thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 1.49681664 × 10⁸

Factors of 149681664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2969

Divisors of 149681664

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 128 132 144 176 192 198 256 264 288 352 384 396 512 528 576 704 768 792 1056 1152 1408 1536 1584 2112 2304 2816 2953 3168 4224 4608 5632 5906 6336 8448 8859 11812 12672 16896 17718 23624 25344 26577 32483 35436 47248 50688 53154 64966 70872 94496 97449 106308 129932 141744 188992 194898 212616 259864 283488 292347 377984 389796 425232 519728 566976 584694 755968 779592 850464 1039456 1133952 1169388 1511936 1559184 1700928 2078912 2267904 2338776 3118368 3401856 4157824 4535808 4677552 6236736 6803712 8315648 9355104 12473472 13607424 16631296 18710208 24946944 37420416 49893888 74840832 149681664
• Sum of all divisors σ(n): 471422952
• Sum of proper divisors (its aliquot sum) s(n): 321741288
• 149681664 is an abundant number, because the sum of its proper divisors (321741288) is greater than itself. Its abundance is 172059624

Bases of 149681664

• Binary: 1000111010111111011000000000₂
• Hexadecimal: 0x8EBF600
• Base-36: 2H4740

Squares and roots of 149681664

• 149681664 squared (149681664²) is 22404600537808896
• 149681664 cubed (149681664³) is 3353557889754530467282944
• The square root of 149681664 is 12234.4457986457
• The cube root of 149681664 is 530.9531489621

Scales and comparisons

• 149,681,664 seconds is equal to 4 years, 39 weeks, 3 days, 10 hours, 14 minutes, 24 seconds.
• To count from 1 to 149,681,664 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 149681664 cubic inches would be around 44.2 feet tall.

Recreational maths with 149681664

• 149681664 backwards is 466186941
• The number of decimal digits it has is: 9
• The sum of 149681664's digits is 45
• More coming soon!