9940147840

Names of 9940147840

• Cardinal: 9940147840 can be written as Nine billion, nine hundred forty million, one hundred forty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 9.94014784 × 10⁹

Factors of 9940147840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 577

Divisors of 9940147840

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 128 140 160 196 224 245 280 320 392 448 490 560 563 640 784 896 980 1120 1126 1568 1960 2240 2252 2815 3136 3920 3941 4480 4504 5630 6272 7840 7882 9008 11260 15680 15764 18016 19705 22520 27587 31360 31528 36032 39410 45040 55174 63056 72064 78820 90080 110348 126112 137935 157640 180160 220696 252224 275870 315280 316969 360320 441392 504448 551740 630560 633938 882784 1103480 1261120 1267876 1584845 1765568 2206960 2218783 2522240 2535752 3169690 3531136 4413920 4437566 5071504 6339380 8827840 8875132 10143008 11093915 12678760 15531481 17655680 17750264 20286016 22187830 25357520 31062962 35500528 40572032 44375660 50715040 62125924 71001056 77657405 88751320 101430080 124251848 142002112 155314810 177502640 202860160 248503696 284004224 310629620 355005280 497007392 621259240 710010560 994014784 1242518480 1420021120 1988029568 2485036960 4970073920 9940147840
• Sum of all divisors σ(n): 27692052930
• Sum of proper divisors (its aliquot sum) s(n): 17751905090
• 9940147840 is an abundant number, because the sum of its proper divisors (17751905090) is greater than itself. Its abundance is 7811757250

Bases of 9940147840

• Binary: 1001010000011110101001111010000000₂
• Hexadecimal: 0x2507A9E80
• Base-36: 4KE3V5S

Squares and roots of 9940147840

• 9940147840 squared (9940147840²) is 98806539081056665600
• 9940147840 cubed (9940147840³) is 982151606024440999481442304000
• The square root of 9940147840 is 99700.2900697887
• The cube root of 9940147840 is 2150.1278337549

Scales and comparisons

• 9,940,147,840 seconds is equal to 316 years, 3 weeks, 3 days, 10 minutes, 40 seconds.
• To count from 1 to 9,940,147,840 would take you about six hundred thirty-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 9940147840 cubic inches would be around 179.2 feet tall.

Recreational maths with 9940147840

• 9940147840 backwards is 0487410499
• The number of decimal digits it has is: 10
• The sum of 9940147840's digits is 46
• More coming soon!