145488085990

Names of 145488085990

• Cardinal: 145488085990 can be written as One hundred forty-five billion, four hundred eighty-eight million, eighty-five thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.4548808599 × 10¹¹

Factors of 145488085990

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 148

Divisors of 145488085990

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 10 13 26 61 65 67 122 130 134 305 335 610 670 793 871 1586 1742 3721 3965 4087 4355 4489 7442 7930 8174 8710 8978 18605 20435 22445 37210 40870 44890 48373 53131 58357 96746 106262 116714 241865 249307 265655 273829 291785 300763 483730 498614 531310 547658 583570 601526 1246535 1369145 1503815 2493070 2738290 3007630 3240991 3559777 3909919 6481982 7119554 7819838 16204955 16703569 17798885 18346543 19549595 32409910 33407138 35597770 36693086 39099190 83517845 91732715 167035690 183465430 217146397 238505059 434292794 477010118 1085731985 1119139123 1192525295 2171463970 2238278246 2385050590 5595695615 11191391230 14548808599 29097617198 72744042995 145488085990
• Sum of all divisors σ(n): 291066441120
• Sum of proper divisors (its aliquot sum) s(n): 145578355130
• 145488085990 is an abundant number, because the sum of its proper divisors (145578355130) is greater than itself. Its abundance is 90269140

Bases of 145488085990

• Binary: 10000111011111110001000000001111100110₂
• Hexadecimal: 0x21DFC403E6
• Base-36: 1UU3ULLY

Squares and roots of 145488085990

• 145488085990 squared (145488085990²) is 21166783165033634280100
• 145488085990 cubed (145488085990³) is 3079514769246097745385400545799000
• The square root of 145488085990 is 381429.0051765859
• The cube root of 145488085990 is 5259.4759894505

Scales and comparisons

• 145,488,085,990 seconds is equal to 4,626 years, 3 weeks, 4 days, 21 hours, 13 minutes, 10 seconds.
• To count from 1 to 145,488,085,990 would take you about nine thousand, two hundred fifty-two 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 145488085990 cubic inches would be around 438.3 feet tall.

Recreational maths with 145488085990

• 145488085990 backwards is 099580884541
• 145488085990 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 145488085990's digits is 61
• More coming soon!