121931019980

Names of 121931019980

• Cardinal: 121931019980 can be written as One hundred twenty-one billion, nine hundred thirty-one million, nineteen thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.2193101998 × 10¹¹

Factors of 121931019980

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 734

Divisors of 121931019980

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 10 11 14 17 20 22 28 34 35 44 55 61 68 70 77 85 110 119 121 122 140 154 170 187 220 238 242 244 305 308 340 374 385 427 476 484 595 605 610 631 671 748 770 847 854 935 1037 1190 1210 1220 1262 1309 1331 1342 1540 1694 1708 1870 2057 2074 2135 2380 2420 2524 2618 2662 2684 3155 3355 3388 3740 4114 4148 4235 4270 4417 4697 5185 5236 5324 6310 6545 6655 6710 6941 7259 7381 8228 8470 8540 8834 9317 9394 10285 10370 10727 11407 12620 13090 13310 13420 13882 14399 14518 14762 16940 17668 18634 18788 20570 20740 21454 22085 22627 22814 23485 26180 26620 27764 28798 29036 29524 34705 36295 36905 37268 38491 41140 42908 44170 45254 45628 46585 46970 48587 51667 53635 57035 57596 69410 71995 72590 73810 75089 76351 76982 79849 81191 88340 90508 93170 93940 97174 103334 107270 113135 114070 117997 125477 138820 143990 145180 147620 150178 152702 153964 158389 159698 162382 186340 192455 194348 206668 214540 226270 228140 235994 242935 250954 258335 269437 287980 300356 305404 316778 319396 324764 375445 381755 384910 399245 405955 423401 452540 471988 485870 501908 516670 534457 538874 568337 589985 627385 633556 654347 750890 763510 769820 791945 798490 811910 825979 839861 846802 878339 971740 1033340 1068914 1077748 1136674 1179970 1254770 1297967 1308694 1347185 1380247 1501780 1527020 1583890 1596980 1623820 1651958 1679722 1693604 1756678 2117005 2137828 2273348 2359940 2509540 2595934 2617388 2672285 2694370 2760494 2841685 2963807 3167780 3271735 3303916 3359444 3513356 4129895 4199305 4234010 4391695 4580429 4657411 5191868 5344570 5388740 5520988 5683370 5879027 5927614 6489835 6543470 6901235 7197817 8259790 8398610 8468020 8783390 9085769 9160858 9314822 9661729 10689140 11366740 11758054 11855228 12979670 13086940 13802470 14277637 14395634 14819035 16519580 16797220 17566780 18171538 18321716 18629644 19323458 22902145 23287055 23516108 25959340 27604940 28555274 28791268 29395135 29638070 32601877 35989085 36343076 38646916 45428845 45804290 46574110 48308645 50384719 51231521 57110548 58790270 59276140 65203754 71388185 71978170 79175987 90857690 91608580 93148220 96617290 99943459 100769438 102463042 117580540 130407508 142776370 143956340 158351974 163009385 181715380 193234580 199886918 201538876 204926084 251923595 256157605 285552740 316703948 326018770 358620647 395879935 399773836 499717295 503847190 512315210 554231909 652037540 717241294 791759870 870935857 999434590 1007694380 1024630420 1108463818 1434482588 1583519740 1741871714 1793103235 1998869180 2216927636 2771159545 3483743428 3586206470 4354679285 5542319090 6096550999 7172412940 8709358570 11084638180 12193101998 17418717140 24386203996 30482754995 60965509990 121931019980
• Sum of all divisors σ(n): 346945794048
• Sum of proper divisors (its aliquot sum) s(n): 225014774068
• 121931019980 is an abundant number, because the sum of its proper divisors (225014774068) is greater than itself. Its abundance is 103083754088

Bases of 121931019980

• Binary: 1110001100011101001111011011011001100₂
• Hexadecimal: 0x1C63A7B6CC
• Base-36: 1K0IKX58

Squares and roots of 121931019980

• 121931019980 squared (121931019980²) is 14867173633363159200400
• 121931019980 cubed (121931019980³) is 1812769645335732559059893223992000
• The square root of 121931019980 is 349186.2253583323
• The cube root of 121931019980 is 4958.7407375423

Scales and comparisons

• 121,931,019,980 seconds is equal to 3,877 years, 1 week, 3 days, 15 hours, 46 minutes, 20 seconds.
• To count from 1 to 121,931,019,980 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 121931019980 cubic inches would be around 413.2 feet tall.

Recreational maths with 121931019980

• 121931019980 backwards is 089910139121
• 121931019980 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121931019980's digits is 44
• More coming soon!