121942000000

Names of 121942000000

• Cardinal: 121942000000 can be written as One hundred twenty-one billion, nine hundred forty-two million.

Scientific notation

• Scientific notation: 1.21942 × 10¹¹

Factors of 121942000000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 3235

Divisors of 121942000000

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 25 32 38 40 50 64 76 80 95 100 125 128 152 160 190 200 250 304 320 380 400 475 500 608 625 640 760 800 950 1000 1216 1250 1520 1600 1900 2000 2375 2432 2500 3040 3125 3200 3209 3800 4000 4750 5000 6080 6250 6418 7600 8000 9500 10000 11875 12160 12500 12836 15200 15625 16000 16045 19000 20000 23750 25000 25672 30400 31250 32090 38000 40000 47500 50000 51344 59375 60800 60971 62500 64180 76000 80000 80225 95000 100000 102688 118750 121942 125000 128360 152000 160450 190000 200000 205376 237500 243884 250000 256720 296875 304000 304855 320900 380000 400000 401125 410752 475000 487768 500000 513440 593750 609710 641800 760000 802250 950000 975536 1000000 1026880 1187500 1219420 1283600 1520000 1524275 1604500 1900000 1951072 2000000 2005625 2053760 2375000 2438840 2567200 3048550 3209000 3800000 3902144 4011250 4750000 4877680 5134400 6097100 6418000 7600000 7621375 7804288 8022500 9500000 9755360 10028125 10268800 12194200 12836000 15242750 16045000 19000000 19510720 20056250 24388400 25672000 30485500 32090000 38000000 38106875 39021440 40112500 48776800 50140625 51344000 60971000 64180000 76213750 80225000 97553600 100281250 121942000 128360000 152427500 160450000 190534375 195107200 200562500 243884000 256720000 304855000 320900000 381068750 401125000 487768000 609710000 641800000 762137500 802250000 952671875 975536000 1219420000 1283600000 1524275000 1604500000 1905343750 2438840000 3048550000 3209000000 3810687500 4877680000 6097100000 6418000000 7621375000 12194200000 15242750000 24388400000 30485500000 60971000000 121942000000
• Sum of all divisors σ(n): 319742001000
• Sum of proper divisors (its aliquot sum) s(n): 197800001000
• 121942000000 is an abundant number, because the sum of its proper divisors (197800001000) is greater than itself. Its abundance is 75858001000

Bases of 121942000000

• Binary: 1110001100100010011110100000110000000₂
• Hexadecimal: 0x1C644F4180
• Base-36: 1K0P49DS

Squares and roots of 121942000000

• 121942000000 squared (121942000000²) is 14869851364000000000000
• 121942000000 cubed (121942000000³) is 1813259415028888000000000000000000
• The square root of 121942000000 is 349201.9473027033
• The cube root of 121942000000 is 4958.8895797271

Scales and comparisons

• 121,942,000,000 seconds is equal to 3,877 years, 19 weeks, 4 days, 17 hours, 46 minutes, 40 seconds.
• To count from 1 to 121,942,000,000 would take you about seven thousand, seven hundred fifty-four 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 121942000000 cubic inches would be around 413.2 feet tall.

Recreational maths with 121942000000

• 121942000000 backwards is 000000249121
• 121942000000 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121942000000's digits is 19
• More coming soon!