145828999728

Names of 145828999728

• Cardinal: 145828999728 can be written as One hundred forty-five billion, eight hundred twenty-eight million, nine hundred ninety-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.45828999728 × 10¹¹

Factors of 145828999728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 991

Divisors of 145828999728

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 36 38 48 54 57 72 76 108 114 144 152 171 216 228 304 342 361 432 456 513 684 722 912 967 1026 1083 1368 1444 1934 2052 2166 2736 2888 2901 3249 3868 4104 4332 5776 5802 6498 7736 8208 8664 8703 9747 11604 12996 15472 17328 17406 18373 19494 23208 25992 26109 34812 36746 38988 46416 51984 52218 55119 69624 73492 77976 104436 110238 139248 146984 155952 165357 208872 220476 293968 330714 349087 417744 440952 496071 661428 698174 881904 935089 992142 1047261 1322856 1396348 1870178 1984284 2094522 2645712 2792696 2805267 3141783 3740356 3968568 4189044 5585392 5610534 6283566 7480712 7937136 8378088 8415801 9425349 11221068 12567132 14961424 16756176 16831602 17766691 18850698 22442136 25134264 25247403 33663204 35533382 37701396 44884272 50268528 50494806 53300073 67326408 71066764 75402792 100989612 106600146 134652816 142133528 150805584 159900219 201979224 213200292 284267056 319800438 337567129 403958448 426400584 479700657 639600876 675134258 852801168 959401314 1012701387 1279201752 1350268516 1918802628 2025402774 2558403504 2700537032 3038104161 3837605256 4050805548 5401074064 6076208322 7675210512 8101611096 9114312483 12152416644 16203222192 18228624966 24304833288 36457249932 48609666576 72914499864 145828999728
• Sum of all divisors σ(n): 442230769080
• Sum of proper divisors (its aliquot sum) s(n): 296401769352
• 145828999728 is an abundant number, because the sum of its proper divisors (296401769352) is greater than itself. Its abundance is 150572769624

Bases of 145828999728

• Binary: 10000111110100000101011111001000110000₂
• Hexadecimal: 0x21F415F230
• Base-36: 1UZQTKC0

Squares and roots of 145828999728

• 145828999728 squared (145828999728²) is 21266097161669024073984
• 145828999728 cubed (145828999728³) is 3101213677204653683711038187876352
• The square root of 145828999728 is 381875.6338495557
• The cube root of 145828999728 is 5263.5808592265

Scales and comparisons

• 145,828,999,728 seconds is equal to 4,636 years, 47 weeks, 2 days, 15 hours, 28 minutes, 48 seconds.
• To count from 1 to 145,828,999,728 would take you about nine thousand, two hundred seventy-three 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 145828999728 cubic inches would be around 438.6 feet tall.

Recreational maths with 145828999728

• 145828999728 backwards is 827999828541
• 145828999728 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 145828999728's digits is 72
• More coming soon!