145245997140

Names of 145245997140

• Cardinal: 145245997140 can be written as One hundred forty-five billion, two hundred forty-five million, nine hundred ninety-seven thousand, one hundred forty.

Scientific notation

• Scientific notation: 1.4524599714 × 10¹¹

Factors of 145245997140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 48639

Divisors of 145245997140

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 29 30 58 60 87 116 145 174 290 348 435 580 870 1740 1783 3566 5349 7132 8915 10698 17830 21396 26745 35660 46817 51707 53490 93634 103414 106980 140451 155121 187268 206828 234085 258535 280902 310242 468170 517070 561804 620484 702255 775605 936340 1034140 1357693 1404510 1551210 2715386 2809020 3102420 4073079 5430772 6788465 8146158 13576930 16292316 20365395 27153860 40730790 81461580 83474711 166949422 250424133 333898844 417373555 500848266 834747110 1001696532 1252120665 1669494220 2420766619 2504241330 4841533238 5008482660 7262299857 9683066476 12103833095 14524599714 24207666190 29049199428 36311499285 48415332380 72622998570 145245997140
• Sum of all divisors σ(n): 420957492480
• Sum of proper divisors (its aliquot sum) s(n): 275711495340
• 145245997140 is an abundant number, because the sum of its proper divisors (275711495340) is greater than itself. Its abundance is 130465498200

Bases of 145245997140

• Binary: 10000111010001010101100000100001010100₂
• Hexadecimal: 0x21D1560854
• Base-36: 1UQ3PSNO

Squares and roots of 145245997140

• 145245997140 squared (145245997140²) is 21096399685192888179600
• 145245997140 cubed (145245997140³) is 3064167608339823136882521406344000
• The square root of 145245997140 is 381111.5284795253
• The cube root of 145245997140 is 5256.5571539453

Scales and comparisons

• 145,245,997,140 seconds is equal to 4,618 years, 19 weeks, 2 days, 22 hours, 19 minutes.
• To count from 1 to 145,245,997,140 would take you about nine thousand, two hundred thirty-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 145245997140 cubic inches would be around 438 feet tall.

Recreational maths with 145245997140

• 145245997140 backwards is 041799542541
• The number of decimal digits it has is: 12
• The sum of 145245997140's digits is 51
• More coming soon!