16989692985

Names of 16989692985

• Cardinal: 16989692985 can be written as Sixteen billion, nine hundred eighty-nine million, six hundred ninety-two thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 1.6989692985 × 10¹⁰

Factors of 16989692985

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 235

Divisors of 16989692985

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 5 9 15 17 45 51 53 85 153 157 159 255 265 289 471 477 765 785 795 867 901 1413 1445 2355 2385 2601 2669 2703 4335 4505 7065 8007 8109 8321 13005 13345 13515 15317 24021 24649 24963 40035 40545 41605 45373 45951 73947 74889 76585 120105 123245 124815 136119 137853 141457 221841 226865 229755 369735 374445 408357 419033 424371 680595 689265 707285 1109205 1257099 1273113 1306397 2041785 2095165 2121855 2404769 3771297 3919191 6285495 6365565 6531985 7123561 7214307 11757573 12023845 18856485 19595955 21370683 21642921 22208749 35617805 36071535 58787865 64112049 66626247 106853415 108214605 111043745 199878741 320560245 333131235 377548733 999393705 1132646199 1887743665 3397938597 5663230995 16989692985
• Sum of all divisors σ(n): 32077534788
• Sum of proper divisors (its aliquot sum) s(n): 15087841803
• 16989692985 is a deficient number, because the sum of its proper divisors (15087841803) is less than itself. Its deficiency is 1901851182

Bases of 16989692985

• Binary: 1111110100101010100010010000111001₂
• Hexadecimal: 0x3F4AA2439
• Base-36: 7SZ8309

Squares and roots of 16989692985

• 16989692985 squared (16989692985²) is 288649667724558210225
• 16989692985 cubed (16989692985³) is 4904069234862507536483837771625
• The square root of 16989692985 is 130344.5165129703
• The cube root of 16989692985 is 2570.7618338781

Scales and comparisons

• 16,989,692,985 seconds is equal to 540 years, 11 weeks, 2 days, 23 hours, 9 minutes, 45 seconds.
• To count from 1 to 16,989,692,985 would take you about one thousand and eighty 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 16989692985 cubic inches would be around 214.2 feet tall.

Recreational maths with 16989692985

• 16989692985 backwards is 58929698961
• The number of decimal digits it has is: 11
• The sum of 16989692985's digits is 72
• More coming soon!