129210988120

Names of 129210988120

• Cardinal: 129210988120 can be written as One hundred twenty-nine billion, two hundred ten million, nine hundred eighty-eight thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.2921098812 × 10¹¹

Factors of 129210988120

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 670

Divisors of 129210988120

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 8 10 17 20 34 40 47 61 68 85 94 122 136 170 188 191 235 244 305 340 347 376 382 470 488 610 680 694 764 799 940 955 1037 1220 1388 1528 1598 1735 1880 1910 2074 2440 2776 2867 3196 3247 3470 3820 3995 4148 5185 5734 5899 6392 6494 6940 7640 7990 8296 8977 10370 11468 11651 11798 12988 13880 14335 15980 16235 16309 17954 20740 21167 22936 23302 23596 25976 28670 29495 31960 32470 32618 35908 41480 42334 44885 46604 47192 48739 57340 58255 58990 64940 65236 66277 71816 81545 84668 89770 93208 97478 105835 114680 116510 117980 129880 130472 132554 152609 163090 169336 179540 194956 198067 211670 233020 235960 243695 265108 277253 305218 326180 331385 359080 359839 389912 396134 423340 466040 487390 530216 547597 554506 610436 652360 662770 719678 763045 792268 846680 974780 990335 994849 1095194 1109012 1126709 1220872 1325540 1386265 1439356 1526090 1584536 1799195 1949560 1980670 1989698 2190388 2218024 2253418 2651080 2737985 2772530 2878712 3052180 3115019 3598390 3961340 3979396 4042897 4380776 4506836 4974245 5475970 5545060 5633545 6104360 6230038 7196780 7922680 7958792 8085794 9013672 9309149 9948490 10951940 11090120 11267090 12460076 14393560 15575095 16171588 16912433 18618298 19896980 20214485 21903880 22534180 24920152 31150190 32343176 33824866 37236596 39793960 40428970 45068360 46545745 52955323 62300380 67649732 68729249 74473192 80857940 84562165 93091490 105910646 124600760 135299464 137458498 161715880 169124330 186182980 190016159 211821292 264776615 274916996 338248660 343646245 372365960 380032318 423642584 529553230 549833992 676497320 687292490 760064636 950080795 1059106460 1374584980 1520129272 1900161590 2118212920 2749169960 3230274703 3800323180 6460549406 7600646360 12921098812 16151373515 25842197624 32302747030 64605494060 129210988120
• Sum of all divisors σ(n): 322127953920
• Sum of proper divisors (its aliquot sum) s(n): 192916965800
• 129210988120 is an abundant number, because the sum of its proper divisors (192916965800) is greater than itself. Its abundance is 63705977680

Bases of 129210988120

• Binary: 1111000010101100100110011011001011000₂
• Hexadecimal: 0x1E15933658
• Base-36: 1NCWVWIG

Squares and roots of 129210988120

• 129210988120 squared (129210988120²) is 16695479450946781134400
• 129210988120 cubed (129210988120³) is 2157239396993988659909198523328000
• The square root of 129210988120 is 359459.2996710475
• The cube root of 129210988120 is 5055.5275634239

Scales and comparisons

• 129,210,988,120 seconds is equal to 4,108 years, 26 weeks, 3 days, 13 hours, 8 minutes, 40 seconds.
• To count from 1 to 129,210,988,120 would take you about eight thousand, two hundred seventeen 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 129210988120 cubic inches would be around 421.3 feet tall.

Recreational maths with 129210988120

• 129210988120 backwards is 021889012921
• The number of decimal digits it has is: 12
• The sum of 129210988120's digits is 43
• More coming soon!