900128718040

Names of 900128718040

• Cardinal: 900128718040 can be written as Nine hundred billion, one hundred twenty-eight million, seven hundred eighteen thousand and forty.

Scientific notation

• Scientific notation: 9.0012871804 × 10¹¹

Factors of 900128718040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 8401

Divisors of 900128718040

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 17 20 34 40 68 85 136 170 181 340 362 680 724 905 1019 1448 1810 2038 3077 3620 4076 5095 6154 7177 7240 8152 10190 12308 14354 15385 17323 20380 24616 28708 30770 34646 35885 40760 57416 61540 69292 71770 86615 122009 123080 138584 143540 173230 184439 244018 287080 346460 368878 488036 610045 692920 737756 922195 976072 1220090 1299037 1475512 1844390 2440180 2598074 3135463 3688780 4880360 5196148 6270926 6495185 7313363 7377560 10392296 12541852 12990370 14626726 15677315 22083629 25083704 25980740 29253452 31354630 36566815 44167258 51961480 58506904 62709260 73133630 88334516 110418145 124327171 125418520 146267260 176669032 220836290 248654342 292534520 441672580 497308684 621635855 883345160 994617368 1243271710 1323718703 2486543420 2647437406 4973086840 5294874812 6618593515 10589749624 13237187030 22503217951 26474374060 45006435902 52948748120 90012871804 112516089755 180025743608 225032179510 450064359020 900128718040
• Sum of all divisors σ(n): 2158688750400
• Sum of proper divisors (its aliquot sum) s(n): 1258560032360
• 900128718040 is an abundant number, because the sum of its proper divisors (1258560032360) is greater than itself. Its abundance is 358431314320

Bases of 900128718040

• Binary: 1101000110010011110110100011110011011000₂
• Hexadecimal: 0xD193DA3CD8
• Base-36: BHIHEBX4

Squares and roots of 900128718040

• 900128718040 squared (900128718040²) is 810231709040333821441600
• 900128718040 cubed (900128718040³) is 729312829573833961347881672726464000
• The square root of 900128718040 is 948751.1359887795
• The cube root of 900128718040 is 9655.3541052305

Scales and comparisons

• 900,128,718,040 seconds is equal to 28,621 years, 16 weeks, 11 hours, 40 seconds.
• To count from 1 to 900,128,718,040 would take you about fifty-seven thousand, two hundred forty-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 900128718040 cubic inches would be around 804.6 feet tall.

Recreational maths with 900128718040

• 900128718040 backwards is 040817821009
• 900128718040 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 900128718040's digits is 40
• More coming soon!