121420863738015

Names of 121420863738015

• Cardinal: 121420863738015 can be written as One hundred twenty-one trillion, four hundred twenty billion, eight hundred sixty-three million, seven hundred thirty-eight thousand and fifteen.

Scientific notation

• Scientific notation: 1.21420863738015 × 10¹⁴

Factors of 121420863738015

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2954

Divisors of 121420863738015

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 5 15 17 19 31 41 51 57 85 93 95 123 155 181 205 255 285 323 465 527 543 589 615 697 779 905 969 1271 1581 1615 1681 1767 2091 2337 2635 2657 2715 2945 3077 3439 3485 3813 3895 4845 5043 5611 6355 7421 7905 7971 8405 8835 9231 10013 10317 10455 11685 13243 13285 15385 16833 17195 19065 21607 22263 24149 25215 28055 28577 30039 31939 37105 39729 39855 45169 46155 50065 50483 51585 52111 58463 64821 66215 72447 82367 84165 85731 95387 95817 106609 108035 108937 111315 120745 126157 135507 140999 142885 150195 151449 156333 159695 175389 198645 225845 230051 247101 252415 260555 286161 292315 304261 319827 324105 326811 362235 378471 410533 411835 422997 428655 476935 479085 480917 533045 542963 544685 630785 677535 690153 704995 757245 781665 858211 876945 885887 912783 990109 1150255 1231599 1235505 1400239 1430805 1442751 1521305 1564973 1599135 1628889 1634055 1812353 1851929 1892355 2052665 2069803 2114985 2396983 2404585 2574633 2657661 2714815 2970327 3377047 3450765 3910867 4200717 4291055 4370969 4429435 4466417 4563915 4694919 4950545 5172437 5437059 5555787 5780959 6157995 6209409 7001195 7190949 7213755 7824865 8144445 8175589 9061765 9137423 9259645 9432091 10131141 10349015 11732601 11984915 12873165 13112907 13288305 13399251 14851635 14908427 15517311 16831853 16885235 17342877 19554335 19717597 21003585 21854845 22332085 23474595 24526767 25862185 26604541 27185295 27412269 27778935 28296273 28904795 31047045 35186651 35954745 40877945 44725281 45687115 47160455 50495559 50655705 57409799 58663005 59152791 64163893 65564535 66996255 74306473 74542135 75929089 77586555 79813623 84159265 84861923 86714385 98276303 98587985 105559953 122633835 133022705 137061345 138458927 141481365 155336191 160345547 172229397 175933255 179209729 192491679 222919419 223626405 227787267 252477795 253443259 254585769 283260113 287048995 294828909 295763955 320819465 335199149 371532365 374634343 379645445 399068115 415376781 424309615 466008573 481036641 491381515 527799765 537629187 611245507 692294635 760329777 776680955 801727735 808421477 849780339 861146985 896048645 962458395 1005597447 1090786181 1114597095 1123903029 1138936335 1267216295 1272928845 1416300565 1442652691 1474144545 1675995745 1833736521 1873171715 2076883905 2330042865 2353801759 2405183205 2425264431 2630719613 2688145935 3046565393 3056227535 3272358543 3801648885 4042107385 4248901695 4327958073 4815421921 5027987235 5453930905 5619515145 6368783831 7061405277 7213263455 7892158839 9139696179 9168682605 10391173619 11613664633 11769008795 12126322155 13153598065 13743165109 14446265763 15232826965 15360008063 16361792715 19106351493 21639790365 24077109605 25061065787 31173520857 31843919155 34840993899 35307026385 39460794195 41229495327 44722233421 45698480895 46080024189 51955868095 58068323165 68715825545 72231328815 75183197361 76800040315 95531757465 125305328935 134166700263 155867604285 174204969495 197432298761 206147476635 223611167105 230400120945 261120137071 375915986805 426038118379 476160249953 592296896283 670833501315 783360411213 987161493805 1278114355137 1305600685355 1428480749859 2130190591895 2380801249765 2961484481415 3916802056065 6390571775685 7142403749295 8094724249201 24284172747603 40473621246005 121420863738015
• Sum of all divisors σ(n): 230449283850240
• Sum of proper divisors (its aliquot sum) s(n): 109028420112225
• 121420863738015 is a deficient number, because the sum of its proper divisors (109028420112225) is less than itself. Its deficiency is 12392443625790

Bases of 121420863738015

• Binary: 11011100110111001111111011100111001000010011111₂
• Hexadecimal: 0x6E6E7F73909F
• Base-36: 171FZ39XGF

Squares and roots of 121420863738015

• 121420863738015 squared (121420863738015²) is 14743026150885605958556140225
• 121420863738015 cubed (121420863738015³) is 1790110969352672934511669261572324003153375
• The square root of 121420863738015 is 11019113.5640765133
• The cube root of 121420863738015 is 49518.1532218375

Scales and comparisons

• 121,420,863,738,015 seconds is equal to 3,860,807 years, 46 weeks, 1 day, 1 hour, 15 seconds.
• To count from 1 to 121,420,863,738,015 would take you about nine million, six hundred fifty-two thousand and nineteen 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 121420863738015 cubic inches would be around 4126.5 feet tall.

Recreational maths with 121420863738015

• 121420863738015 backwards is 510837368024121
• 121420863738015 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 121420863738015's digits is 51
• More coming soon!