155040198180

Names of 155040198180

• Cardinal: 155040198180 can be written as One hundred fifty-five billion, forty million, one hundred ninety-eight thousand, one hundred eighty.

Scientific notation

• Scientific notation: 1.5504019818 × 10¹¹

Factors of 155040198180

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2264863

Divisors of 155040198180

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 163 210 326 420 489 652 815 978 1141 1630 1956 2282 2445 3260 3423 4564 4890 5705 6846 9780 11410 13692 17115 22820 34230 68460 2264683 4529366 6794049 9058732 11323415 13588098 15852781 22646830 27176196 31705562 33970245 45293660 47558343 63411124 67940490 79263905 95116686 135880980 158527810 190233372 237791715 317055620 369143329 475583430 738286658 951166860 1107429987 1476573316 1845716645 2214859974 2584003303 3691433290 4429719948 5168006606 5537149935 7382866580 7752009909 10336013212 11074299870 12920016515 15504019818 22148599740 25840033030 31008039636 38760049545 51680066060 77520099090 155040198180
• Sum of all divisors σ(n): 499172588544
• Sum of proper divisors (its aliquot sum) s(n): 344132390364
• 155040198180 is an abundant number, because the sum of its proper divisors (344132390364) is greater than itself. Its abundance is 189092192184

Bases of 155040198180

• Binary: 10010000011001000111011010111000100100₂
• Hexadecimal: 0x24191DAE24
• Base-36: 1Z82XIJO

Squares and roots of 155040198180

• 155040198180 squared (155040198180²) is 24037463051693675312400
• 155040198180 cubed (155040198180³) is 3726773035279015005087069411432000
• The square root of 155040198180 is 393751.4421306923
• The cube root of 155040198180 is 5372.1496846449

Scales and comparisons

• 155,040,198,180 seconds is equal to 4,929 years, 41 weeks, 3 days, 17 hours, 43 minutes.
• To count from 1 to 155,040,198,180 would take you about nine thousand, eight hundred fifty-nine 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 155040198180 cubic inches would be around 447.7 feet tall.

Recreational maths with 155040198180

• 155040198180 backwards is 081891040551
• 155040198180 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 155040198180's digits is 42
• More coming soon!