145409090988

Names of 145409090988

• Cardinal: 145409090988 can be written as One hundred forty-five billion, four hundred nine million, ninety thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 1.45409090988 × 10¹¹

Factors of 145409090988

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1248165

Divisors of 145409090988

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 12 14 19 21 28 38 42 57 73 76 84 114 133 146 219 228 266 292 399 438 511 532 798 876 1022 1387 1533 1596 2044 2774 3066 4161 5548 6132 8322 9709 16644 19418 29127 38836 58254 116508 1248061 2496122 3744183 4992244 7488366 8736427 14976732 17472854 23713159 26209281 34945708 47426318 52418562 71139477 91108453 94852636 104837124 142278954 165992113 182216906 273325359 284557908 331984226 364433812 497976339 546650718 637759171 663968452 995952678 1093301436 1275518342 1731060607 1913277513 1991905356 2551036684 3462121214 3826555026 5193181821 6924242428 7653110052 10386363642 12117424249 20772727284 24234848498 36352272747 48469696996 72704545494 145409090988
• Sum of all divisors σ(n): 413757514240
• Sum of proper divisors (its aliquot sum) s(n): 268348423252
• 145409090988 is an abundant number, because the sum of its proper divisors (268348423252) is greater than itself. Its abundance is 122939332264

Bases of 145409090988

• Binary: 10000111011011000011101010010110101100₂
• Hexadecimal: 0x21DB0EA5AC
• Base-36: 1USSTGOC

Squares and roots of 145409090988

• 145409090988 squared (145409090988²) is 21143803741956462816144
• 145409090988 cubed (145409090988³) is 3074501282146562174767321611310272
• The square root of 145409090988 is 381325.4397335693
• The cube root of 145409090988 is 5258.5239125573

Scales and comparisons

• 145,409,090,988 seconds is equal to 4,623 years, 29 weeks, 14 hours, 9 minutes, 48 seconds.
• To count from 1 to 145,409,090,988 would take you about nine thousand, two hundred forty-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 145409090988 cubic inches would be around 438.2 feet tall.

Recreational maths with 145409090988

• 145409090988 backwards is 889090904541
• 145409090988 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 145409090988's digits is 57
• More coming soon!