129040369920

Names of 129040369920

• Cardinal: 129040369920 can be written as One hundred twenty-nine billion, forty million, three hundred sixty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.2904036992 × 10¹¹

Factors of 129040369920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 48519

Divisors of 129040369920

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 27 28 30 32 33 35 36 40 42 44 45 48 54 55 56 60 63 64 66 70 72 77 80 84 88 90 96 99 105 108 110 112 120 126 128 132 135 140 144 154 160 165 168 176 180 189 192 198 210 216 220 224 231 240 252 256 264 270 280 288 297 308 315 320 330 336 352 360 378 384 385 396 420 432 440 448 462 480 495 504 528 540 560 576 594 616 630 640 660 672 693 704 720 756 768 770 792 840 864 880 896 924 945 960 990 1008 1056 1080 1120 1152 1155 1188 1232 1260 1280 1320 1344 1386 1408 1440 1485 1512 1540 1584 1680 1728 1760 1792 1848 1890 1920 1980 2016 2079 2112 2160 2240 2304 2310 2376 2464 2520 2640 2688 2772 2816 2880 2970 3024 3080 3168 3360 3456 3465 3520 3696 3780 3840 3960 4032 4158 4224 4320 4480 4620 4752 4928 5040 5280 5376 5544 5760 5940 6048 6160 6336 6720 6912 6930 7040 7392 7560 7920 8064 8316 8448 8640 8960 9240 9504 9856 10080 10395 10560 11088 11520 11880 12096 12320 12672 13440 13860 14080 14784 15120 15840 16128 16632 17280 18480 19008 19712 20160 20790 21120 22176 23760 24192 24640 25344 26880 27720 29568 30240 31680 33264 34560 36960 38016 40320 41580 42240 44352 47520 48384 48491 49280 55440 59136 60480 63360 66528 73920 76032 80640 83160 88704 95040 96982 98560 110880 120960 126720 133056 145473 147840 166320 177408 190080 193964 221760 241920 242455 266112 290946 295680 332640 339437 380160 387928 436419 443520 484910 532224 533401 581892 665280 678874 727365 775856 872838 887040 969820 1018311 1066802 1163784 1309257 1330560 1357748 1454730 1551712 1600203 1697185 1745676 1939640 2036622 2133604 2182095 2327568 2618514 2661120 2667005 2715496 2909460 3054933 3103424 3200406 3394370 3491352 3733807 3879280 4073244 4267208 4364190 4655136 4800609 5091555 5237028 5334010 5430992 5818920 6109866 6206848 6400812 6546285 6788740 6982704 7467614 7758560 8001015 8146488 8534416 8728380 9164799 9310272 9601218 10183110 10474056 10668020 10861984 11201421 11637840 12219732 12413696 12801624 13092570 13577480 13965408 14401827 14935228 15274665 15517120 16002030 16292976 17068832 17456760 18329598 18620544 18669035 19202436 20366220 20948112 21336040 21723968 22402842 23275680 24003045 24439464 25603248 26185140 27154960 27930816 28803654 29870456 30549330 31034240 32004060 32585952 33604263 34137664 34913520 36659196 37241088 37338070 38404872 40732440 41896224 42672080 43447936 44805684 45823995 46551360 48006090 48878928 51206496 52370280 54309920 55861632 56007105 57607308 59740912 61098660 62068480 64008120 65171904 67208526 68275328 69827040 72009135 73318392 74676140 76809744 81464880 83792448 85344160 86895872 89611368 91647990 93102720 96012180 97757856 100812789 102412992 104740560 108619840 111723264 112014210 115214616 119481824 122197320 128016240 130343808 134417052 136550656 139654080 144018270 146636784 149352280 153619488 162929760 167584896 168021315 170688320 179222736 183295980 186205440 192024360 195515712 201625578 204825984 209481120 217239680 224028420 230429232 238963648 244394640 256032480 260687616 268834104 279308160 288036540 293273568 298704560 307238976 325859520 335169792 336042630 341376640 358445472 366591960 384048720 391031424 403251156 409651968 418962240 434479360 448056840 460858464 477927296 488789280 504063945 512064960 537668208 558616320 576073080 586547136 597409120 614477952 651719040 672085260 682753280 716890944 733183920 768097440 782062848 806502312 837924480 896113680 921716928 955854592 977578560 1008127890 1024129920 1075336416 1152146160 1173094272 1194818240 1228955904 1303438080 1344170520 1433781888 1466367840 1536194880 1613004624 1675848960 1792227360 1843433856 1955157120 2016255780 2048259840 2150672832 2304292320 2346188544 2389636480 2688341040 2867563776 2932735680 3072389760 3226009248 3584454720 3686867712 3910314240 4032511560 4301345664 4608584640 4779272960 5376682080 5865471360 6144779520 6452018496 7168909440 8065023120 8602691328 9217169280 10753364160 11730942720 12904036992 14337818880 16130046240 18434338560 21506728320 25808073984 32260092480 43013456640 64520184960 129040369920
• Sum of all divisors σ(n): 570917652480
• Sum of proper divisors (its aliquot sum) s(n): 441877282560
• 129040369920 is an abundant number, because the sum of its proper divisors (441877282560) is greater than itself. Its abundance is 312836912640

Bases of 129040369920

• Binary: 1111000001011011001111100100100000000₂
• Hexadecimal: 0x1E0B67C900
• Base-36: 1NA3AYO0

Squares and roots of 129040369920

• 129040369920 squared (129040369920²) is 16651417069090440806400
• 129040369920 cubed (129040369920³) is 2148705018287632679593719103488000
• The square root of 129040369920 is 359221.8951010643
• The cube root of 129040369920 is 5053.3013725873

Scales and comparisons

• 129,040,369,920 seconds is equal to 4,103 years, 4 weeks, 2 days, 19 hours, 12 minutes.
• To count from 1 to 129,040,369,920 would take you about eight thousand, two hundred six 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 129040369920 cubic inches would be around 421.1 feet tall.

Recreational maths with 129040369920

• 129040369920 backwards is 029963040921
• 129040369920 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129040369920's digits is 45
• More coming soon!