145240992

Names of 145240992

• Cardinal: 145240992 can be written as One hundred forty-five million, two hundred forty thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.45240992 × 10⁸

Factors of 145240992

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 278

Divisors of 145240992

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 67 72 78 96 104 108 117 134 144 156 193 201 208 216 234 268 288 312 351 386 402 416 432 468 536 579 603 624 702 772 804 864 871 936 1072 1158 1206 1248 1404 1544 1608 1737 1742 1809 1872 2144 2316 2412 2509 2613 2808 3088 3216 3474 3484 3618 3744 4632 4824 5018 5211 5226 5616 6176 6432 6948 6968 7236 7527 7839 9264 9648 10036 10422 10452 11232 12931 13896 13936 14472 15054 15678 18528 19296 20072 20844 20904 22581 23517 25862 27792 27872 28944 30108 31356 38793 40144 41688 41808 45162 47034 51724 55584 57888 60216 62712 67743 77586 80288 83376 83616 90324 94068 103448 116379 120432 125424 135486 155172 166752 168103 180648 188136 206896 232758 240864 250848 270972 310344 336206 349137 361296 376272 413792 465516 504309 541944 620688 672412 698274 722592 752544 931032 1008618 1083888 1241376 1344824 1396548 1512927 1862064 2017236 2167776 2689648 2793096 3025854 3724128 4034472 4538781 5379296 5586192 6051708 8068944 9077562 11172384 12103416 16137888 18155124 24206832 36310248 48413664 72620496 145240992
• Sum of all divisors σ(n): 465413760
• Sum of proper divisors (its aliquot sum) s(n): 320172768
• 145240992 is an abundant number, because the sum of its proper divisors (320172768) is greater than itself. Its abundance is 174931776

Bases of 145240992

• Binary: 1000101010000011001110100000₂
• Hexadecimal: 0x8A833A0
• Base-36: 2EH0O0

Squares and roots of 145240992

• 145240992 squared (145240992²) is 21094945757144064
• 145240992 cubed (145240992³) is 3063850847953794942271488
• The square root of 145240992 is 12051.5970725875
• The cube root of 145240992 is 525.6496773379

Scales and comparisons

• 145,240,992 seconds is equal to 4 years, 32 weeks, 1 day, 43 minutes, 12 seconds.
• To count from 1 to 145,240,992 would take you about six 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 145240992 cubic inches would be around 43.8 feet tall.

Recreational maths with 145240992

• 145240992 backwards is 299042541
• 145240992 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 145240992's digits is 36
• More coming soon!