129542270640120

Names of 129542270640120

• Cardinal: 129542270640120 can be written as One hundred twenty-nine trillion, five hundred forty-two billion, two hundred seventy million, six hundred forty thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.2954227064012 × 10¹⁴

Factors of 129542270640120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 26664

Divisors of 129542270640120

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 27 30 36 39 40 45 52 54 60 65 72 78 90 104 108 117 120 130 135 156 169 180 195 216 234 260 270 312 338 351 360 390 468 507 520 540 585 676 702 780 845 936 1014 1080 1170 1352 1404 1521 1560 1690 1755 2028 2340 2535 2808 3042 3380 3510 4056 4563 4680 5070 6084 6760 7020 7605 9126 10140 12168 14040 15210 18252 20280 22815 26641 30420 36504 45630 53282 60840 79923 91260 106564 133205 159846 182520 213128 239769 266410 319692 346333 399615 479538 532820 639384 692666 719307 799230 959076 1038999 1065640 1198845 1385332 1438614 1598460 1731665 1918152 2077998 2397690 2770664 2877228 3116997 3196920 3463330 3596535 4155996 4502329 4795380 5194995 5754456 6233994 6926660 7193070 8311992 9004658 9350991 9590760 10389990 12467988 13506987 13853320 14386140 15584985 18009316 18701982 20779980 22511645 24935976 27013974 28772280 31169970 36018632 37403964 40520961 41559960 45023290 46754955 54027948 62339940 67534935 74807928 81041922 90046580 93509910 108055896 121562883 124679880 135069870 162083844 180093160 187019820 202604805 243125766 270139740 324167688 374039640 405209610 486251532 540279480 607814415 709742881 810419220 972503064 1215628830 1419485762 1620838440 2129228643 2431257660 2838971524 3548714405 4258457286 4862515320 5677943048 6387685929 7097428810 8516914572 9226657453 10646143215 12775371858 14194857620 17033829144 18453314906 19163057787 21292286430 25550743716 27679972359 28389715240 31938429645 36906629812 38326115574 42584572860 46133287265 51101487432 55359944718 63876859290 73813259624 76652231148 83039917077 85169145720 92266574530 95815288935 110719889436 119946546889 127753718580 138399861795 153304462296 166079834154 184533149060 191630577870 221439778872 239893093778 249119751231 255507437160 276799723590 332159668308 359839640667 369066298120 383261155740 415199585385 479786187556 498239502462 553599447180 599732734445 664319336616 719679281334 766522311480 830399170770 959572375112 996479004924 1079518922001 1107198894360 1199465468890 1245598756155 1439358562668 1660798341540 1799198203335 1992958009848 2159037844002 2398930937780 2491197512310 2878717125336 3238556766003 3321596683080 3598396406670 4318075688004 4797861875560 4982395024620 5397594610005 6477113532006 7196792813340 8636151376008 9964790049240 10795189220010 12954227064012 14393585626680 16192783830015 21590378440020 25908454128024 32385567660030 43180756880040 64771135320060 129542270640120
• Sum of all divisors σ(n): 467596161752400
• Sum of proper divisors (its aliquot sum) s(n): 338053891112280
• 129542270640120 is an abundant number, because the sum of its proper divisors (338053891112280) is greater than itself. Its abundance is 208511620472160

Bases of 129542270640120

• Binary: 11101011101000101101001000001100101111111111000₂
• Hexadecimal: 0x75D169065FF8
• Base-36: 19X2WB98U0

Squares and roots of 129542270640120

• 129542270640120 squared (129542270640120²) is 16781199882598096154553614400
• 129542270640120 cubed (129542270640120³) is 2173874736857472542387839356533547649728000
• The square root of 129542270640120 is 11381663.7905062017
• The cube root of 129542270640120 is 50598.4447854945

Scales and comparisons

• 129,542,270,640,120 seconds is equal to 4,119,043 years, 26 weeks, 2 days, 2 hours, 42 minutes.
• To count from 1 to 129,542,270,640,120 would take you about ten million, two hundred ninety-seven thousand, six hundred eight 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 129542270640120 cubic inches would be around 4216.5 feet tall.

Recreational maths with 129542270640120

• 129542270640120 backwards is 021046072245921
• 129542270640120 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 129542270640120's digits is 45
• More coming soon!