121250137987809980640

Names of 121250137987809980640

• Cardinal: 121250137987809980640 can be written as One hundred twenty-one quintillion, two hundred fifty quadrillion, one hundred thirty-seven trillion, nine hundred eighty-seven billion, eight hundred nine million, nine hundred eighty thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.2125013798780998064 × 10²⁰

Factors of 121250137987809980640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 13333241078

Divisors of 121250137987809980640

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 6318149 12636298 18954447 25272596 31590745 37908894 50545192 56863341 63181490 75817788 94772235 101090384 113726682 126362980 151635576 189544470 202180768 227453364 252725960 284316705 303271152 379088940 454906728 505451920 568633410 606542304 758177880 909813456 1010903840 1137266820 1516355760 1819626912 2274533640 3032711520 4549067280 9098134560 13326922919 26653845838 39980768757 53307691676 66634614595 79961537514 106615383352 119942306271 133269229190 159923075028 199903843785 213230766704 239884612542 266538458380 319846150056 399807687570 426461533408 479769225084 533076916760 599711531355 639692300112 799615375140 959538450168 1066153833520 1199423062710 1279384600224 1599230750280 1919076900336 2132307667040 2398846125420 3198461500560 3838153800672 4797692250840 6396923001120 9595384501680 19190769003360 84201484713756931 168402969427513862 252604454141270793 336805938855027724 421007423568784655 505208908282541586 673611877710055448 757813362423812379 842014847137569310 1010417816565083172 1263022270706353965 1347223755420110896 1515626724847624758 1684029694275138620 2020835633130166344 2526044541412707930 2694447510840221792 3031253449695249516 3368059388550277240 3789066812119061895 4041671266260332688 5052089082825415860 6062506899390499032 6736118777100554480 7578133624238123790 8083342532520665376 10104178165650831720 12125013798780998064 13472237554201108960 15156267248476247580 20208356331301663440 24250027597561996128 30312534496952495160 40416712662603326880 60625068993904990320 121250137987809980640
• Sum of all divisors σ(n): 413766161402948172000
• Sum of proper divisors (its aliquot sum) s(n): 292516023415138191360
• 121250137987809980640 is an abundant number, because the sum of its proper divisors (292516023415138191360) is greater than itself. Its abundance is 171265885427328210720

Bases of 121250137987809980640

• Binary: 1101001001010101111000001100001011011010010100000101011000011100000₂
• Hexadecimal: 0x692AF0616D282B0E0
• Base-36: PL79EQUYF0540

Squares and roots of 121250137987809980640

• 121250137987809980640 squared (121250137987809980640²) is 14701595962062960940903253211997174809600
• 121250137987809980640 cubed (121250137987809980640³) is 1782570539041164039372683977195066228732895979605671686144000
• The square root of 121250137987809980640 is 11011364038.4745240989
• The cube root of 121250137987809980640 is 4949493.3738242941

Scales and comparisons

• 121,250,137,987,809,980,640 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 121,250,137,987,809,980,640 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 121250137987809980640 cubic inches would be around 412457.8 feet tall.

Recreational maths with 121250137987809980640

• 121250137987809980640 backwards is 046089908789731052121
• 121250137987809980640 is a Harshad number.
• The number of decimal digits it has is: 21
• The sum of 121250137987809980640's digits is 90
• More coming soon!