16649689728

Names of 16649689728

• Cardinal: 16649689728 can be written as Sixteen billion, six hundred forty-nine million, six hundred eighty-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.6649689728 × 10¹⁰

Factors of 16649689728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 213630

Divisors of 16649689728

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 29 32 42 48 56 58 64 84 87 96 112 116 128 168 174 192 203 224 232 336 348 384 406 448 464 609 672 696 812 896 928 1218 1344 1392 1624 1856 2436 2688 2784 3248 3712 4872 5568 6496 9744 11136 12992 19488 25984 38976 77952 213589 427178 640767 854356 1281534 1495123 1708712 2563068 2990246 3417424 4485369 5126136 5980492 6194081 6834848 8970738 10252272 11960984 12388162 13669696 17941476 18582243 20504544 23921968 24776324 27339392 35882952 37164486 41009088 43358567 47843936 49552648 71765904 74328972 82018176 86717134 95687872 99105296 130075701 143531808 148657944 173434268 191375744 198210592 260151402 287063616 297315888 346868536 396421184 520302804 574127232 594631776 693737072 792842368 1040605608 1189263552 1387474144 2081211216 2378527104 2774948288 4162422432 5549896576 8324844864 16649689728
• Sum of all divisors σ(n): 52286832000
• Sum of proper divisors (its aliquot sum) s(n): 35637142272
• 16649689728 is an abundant number, because the sum of its proper divisors (35637142272) is greater than itself. Its abundance is 18987452544

Bases of 16649689728

• Binary: 1111100000011001100001101010000000₂
• Hexadecimal: 0x3E0661A80
• Base-36: 7NCSMTC

Squares and roots of 16649689728

• 16649689728 squared (16649689728²) is 277212168038668713984
• 16649689728 cubed (16649689728³) is 4615496586670032394014374756352
• The square root of 16649689728 is 129033.6767204593
• The cube root of 16649689728 is 2553.4971741123

Scales and comparisons

• 16,649,689,728 seconds is equal to 529 years, 21 weeks, 1 day, 17 hours, 48 minutes, 48 seconds.
• To count from 1 to 16,649,689,728 would take you about one thousand and fifty-eight 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 16649689728 cubic inches would be around 212.8 feet tall.

Recreational maths with 16649689728

• 16649689728 backwards is 82798694661
• The number of decimal digits it has is: 11
• The sum of 16649689728's digits is 66
• More coming soon!