121989170987008

Names of 121989170987008

• Cardinal: 121989170987008 can be written as One hundred twenty-one trillion, nine hundred eighty-nine billion, one hundred seventy million, nine hundred eighty-seven thousand and eight.

Scientific notation

• Scientific notation: 1.21989170987008 × 10¹⁴

Factors of 121989170987008

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 239

Divisors of 121989170987008

• Number of divisors d(n): 342
• Complete list of divisors:
  1 2 4 8 13 16 26 31 32 52 62 64 104 124 128 193 208 248 256 386 403 416 496 512 772 806 832 961 992 1024 1544 1612 1664 1922 1984 2048 2509 3088 3224 3328 3844 3968 4096 5018 5983 6176 6448 6656 7688 7936 8192 10036 11966 12352 12493 12896 13312 15376 15872 16384 20072 23932 24704 24986 25792 26624 30752 31744 32768 37249 40144 47864 49408 49972 51584 53248 61504 63488 65536 74498 77779 80288 95728 98816 99944 103168 106496 123008 126976 131072 148996 155558 160576 185473 191456 197632 199888 206336 212992 246016 253952 262144 297992 311116 321152 370946 382912 395264 399776 412672 425984 484237 492032 507904 595984 622232 642304 741892 765824 790528 799552 825344 851968 968474 984064 1015808 1154719 1191968 1244464 1284608 1483784 1531648 1581056 1599104 1650688 1703936 1936948 1968128 2031616 2309438 2383936 2411149 2488928 2569216 2967568 3063296 3162112 3198208 3301376 3407872 3873896 3936256 4063232 4618876 4767872 4822298 4977856 5138432 5935136 6126592 6324224 6396416 6602752 7747792 7872512 8126464 9237752 9535744 9644596 9955712 10276864 11870272 12253184 12648448 12792832 13205504 15011347 15495584 15745024 18475504 19071488 19289192 19911424 20553728 23740544 24506368 25296896 25585664 26411008 30022694 30991168 31490048 35796289 36951008 38142976 38578384 39822848 41107456 47481088 49012736 50593792 51171328 52822016 60045388 61982336 62980096 71592578 73902016 76285952 77156768 79645696 82214912 94962176 98025472 102342656 105644032 120090776 123964672 125960192 143185156 147804032 152571904 154313536 159291392 164429824 189924352 196050944 204685312 240181552 247929344 251920384 286370312 295608064 305143808 308627072 318582784 328859648 379848704 392101888 409370624 465351757 480363104 495858688 572740624 591216128 610287616 617254144 637165568 657719296 759697408 784203776 818741248 930703514 960726208 991717376 1145481248 1182432256 1220575232 1234508288 1274331136 1519394816 1568407552 1637482496 1861407028 1921452416 1983434752 2290962496 2364864512 2441150464 2469016576 2548662272 3038789632 3274964992 3722814056 3842904832 3966869504 4581924992 4729729024 4882300928 4938033152 5097324544 6077579264 7445628112 7685809664 7933739008 9163849984 9459458048 9764601856 9876066304 10194649088 12155158528 14891256224 15371619328 15867478016 18327699968 18918916096 19752132608 20389298176 24310317056 29782512448 30743238656 31734956032 36655399936 37837832192 39504265216 48620634112 59565024896 61486477312 63469912064 73310799872 75675664384 79008530432 119130049792 122972954624 126939824128 146621599744 151351328768 158017060864 238260099584 245945909248 293243199488 302702657536 316034121728 476520199168 491891818496 586486398976 632068243456 953040398336 983783636992 1172972797952 1906080796672 1967567273984 2345945595904 3812161593344 3935134547968 4691891191808 7624323186688 9383782383616 15248646373376 30497292746752 60994585493504 121989170987008
• Sum of all divisors σ(n): 272908467916182
• Sum of proper divisors (its aliquot sum) s(n): 150919296929174
• 121989170987008 is an abundant number, because the sum of its proper divisors (150919296929174) is greater than itself. Its abundance is 28930125942166

Bases of 121989170987008

• Binary: 11011101111001011010001001101000000000000000000₂
• Hexadecimal: 0x6EF2D1340000
• Base-36: 178P1UQL8G

Squares and roots of 121989170987008

• 121989170987008 squared (121989170987008²) is 14881357838097474380904792064
• 121989170987008 cubed (121989170987008³) is 1815364505830524515887751426658023885504512
• The square root of 121989170987008 is 11044870.7999237365
• The cube root of 121989170987008 is 49595.2891525931

Scales and comparisons

• 121,989,170,987,008 seconds is equal to 3,878,878 years, 15 weeks, 4 days, 5 hours, 43 minutes, 28 seconds.
• To count from 1 to 121,989,170,987,008 would take you about nine million, six hundred ninety-seven thousand, one hundred ninety-five 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 121989170987008 cubic inches would be around 4132.9 feet tall.

Recreational maths with 121989170987008

• 121989170987008 backwards is 800789071989121
• The number of decimal digits it has is: 15
• The sum of 121989170987008's digits is 70
• More coming soon!