990388991750

Names of 990388991750

• Cardinal: 990388991750 can be written as Nine hundred ninety billion, three hundred eighty-eight million, nine hundred ninety-one thousand, seven hundred fifty.

Scientific notation

• Scientific notation: 9.9038899175 × 10¹¹

Factors of 990388991750

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 16778

Divisors of 990388991750

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 10 25 50 53 67 106 125 134 250 265 335 530 670 1325 1675 2650 3350 3551 4489 6625 7102 8375 8978 13250 16651 16750 17755 22445 33302 35510 44890 83255 88775 112225 166510 177550 224450 237917 416275 443875 475834 561125 832550 882503 887750 1115617 1122250 1189585 1765006 2081375 2231234 2379170 4162750 4412515 5578085 5947925 8825030 11156170 11895850 22062575 27890425 29739625 44125150 55780850 59127701 59479250 74746339 110312875 118255402 139452125 149492678 220625750 278904250 295638505 373731695 591277010 747463390 1478192525 1868658475 2956385050 3737316950 3961555967 7390962625 7923111934 9343292375 14781925250 18686584750 19807779835 39615559670 99038899175 198077798350 495194495875 990388991750
• Sum of all divisors σ(n): 1917719320608
• Sum of proper divisors (its aliquot sum) s(n): 927330328858
• 990388991750 is a deficient number, because the sum of its proper divisors (927330328858) is less than itself. Its deficiency is 63058662892

Bases of 990388991750

• Binary: 1110011010010111110010001011011100000110₂
• Hexadecimal: 0xE697C8B706
• Base-36: CMZ818UE

Squares and roots of 990388991750

• 990388991750 squared (990388991750²) is 980870354979581568062500
• 990388991750 cubed (990388991750³) is 971443201905692381030303375984375000
• The square root of 990388991750 is 995182.8936180525
• The cube root of 990388991750 is 9967.8601193055

Scales and comparisons

• 990,388,991,750 seconds is equal to 31,491 years, 15 weeks, 6 days, 13 hours, 15 minutes, 50 seconds.
• To count from 1 to 990,388,991,750 would take you about sixty-two thousand, nine hundred eighty-two 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 990388991750 cubic inches would be around 830.7 feet tall.

Recreational maths with 990388991750

• 990388991750 backwards is 057199883099
• The number of decimal digits it has is: 12
• The sum of 990388991750's digits is 68
• More coming soon!