990670012128

Names of 990670012128

• Cardinal: 990670012128 can be written as Nine hundred ninety billion, six hundred seventy million, twelve thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 9.90670012128 × 10¹¹

Factors of 990670012128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 11509

Divisors of 990670012128

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 67 72 96 134 144 201 268 288 402 536 603 804 1072 1206 1608 2144 2412 3216 4489 4824 6432 8978 9648 11437 13467 17956 19296 22874 26934 34311 35912 40401 45748 53868 68622 71824 80802 91496 102933 107736 137244 143648 161604 182992 205866 215472 274488 300763 323208 365984 411732 430944 548976 601526 646416 766279 823464 902289 1097952 1203052 1292832 1532558 1646928 1804578 2298837 2406104 2706867 3065116 3293856 3609156 4597674 4812208 5413734 6130232 6896511 7218312 9195348 9624416 10827468 12260464 13793022 14436624 18390696 21654936 24520928 27586044 28873248 36781392 43309872 51340693 55172088 73562784 86619744 102681386 110344176 154022079 205362772 220688352 308044158 410725544 462066237 616088316 821451088 924132474 1232176632 1642902176 1848264948 2464353264 3439826431 3696529896 4928706528 6879652862 7393059792 10319479293 13759305724 14786119584 20638958586 27518611448 30958437879 41277917172 55037222896 61916875758 82555834344 110074445792 123833751516 165111668688 247667503032 330223337376 495335006064 990670012128
• Sum of all divisors σ(n): 2860152881040
• Sum of proper divisors (its aliquot sum) s(n): 1869482868912
• 990670012128 is an abundant number, because the sum of its proper divisors (1869482868912) is greater than itself. Its abundance is 878812856784

Bases of 990670012128

• Binary: 1110011010101000100010001011111011100000₂
• Hexadecimal: 0xE6A888BEE0
• Base-36: CN3VCHK0

Squares and roots of 990670012128

• 990670012128 squared (990670012128²) is 981427072929691667088384
• 990670012128 cubed (990670012128³) is 972270370242005184325749915727921152
• The square root of 990670012128 is 995324.0739216549
• The cube root of 990670012128 is 9968.8028152031

Scales and comparisons

• 990,670,012,128 seconds is equal to 31,500 years, 12 weeks, 4 days, 2 hours, 28 minutes, 48 seconds.
• To count from 1 to 990,670,012,128 would take you about sixty-three thousand 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 990670012128 cubic inches would be around 830.7 feet tall.

Recreational maths with 990670012128

• 990670012128 backwards is 821210076099
• The number of decimal digits it has is: 12
• The sum of 990670012128's digits is 45
• More coming soon!