129400488672

Names of 129400488672

• Cardinal: 129400488672 can be written as One hundred twenty-nine billion, four hundred million, four hundred eighty-eight thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.29400488672 × 10¹¹

Factors of 129400488672

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4798

Divisors of 129400488672

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 31 32 39 42 48 52 56 62 78 84 91 93 96 103 104 112 124 156 168 182 186 206 208 217 224 248 273 309 312 336 364 372 403 412 416 434 496 546 618 624 651 672 721 728 744 806 824 868 992 1092 1209 1236 1248 1302 1339 1442 1456 1488 1612 1648 1736 2163 2184 2418 2472 2604 2678 2821 2884 2912 2976 3193 3224 3296 3472 4017 4326 4368 4639 4836 4944 5208 5356 5642 5768 6386 6448 6944 8034 8463 8652 8736 9278 9373 9579 9672 9888 10416 10712 11284 11536 12772 12896 13917 16068 16926 17304 18556 18746 19158 19344 20832 21424 22351 22568 23072 25544 27834 28119 32136 32473 33852 34608 37112 37492 38316 38688 41509 42848 44702 45136 51088 55668 56238 60307 64272 64946 67053 67704 69216 74224 74984 76632 83018 89404 90272 97419 102176 111336 112476 120614 124527 128544 129892 134106 135408 143809 148448 149968 153264 166036 178808 180921 194838 222672 224952 241228 249054 259784 268212 270816 287618 290563 299936 306528 332072 357616 361842 389676 422149 431427 445344 449904 477817 482456 498108 519568 536424 575236 581126 664144 715232 723684 779352 844298 862854 871689 899808 955634 964912 996216 1006663 1039136 1072848 1150472 1162252 1266447 1328288 1433451 1447368 1558704 1688596 1725708 1743378 1869517 1911268 1929824 1992432 2013326 2145696 2300944 2324504 2532894 2866902 2894736 3019989 3117408 3344719 3377192 3451416 3486756 3739034 3822536 3984864 4026652 4601888 4649008 5065788 5608551 5733804 5789472 6039978 6211621 6689438 6754384 6902832 6973512 7478068 7645072 8053304 9298016 10034157 10131576 11217102 11467608 12079956 12423242 13086619 13378876 13508768 13805664 13947024 14812327 14956136 15290144 16106608 18634863 20068314 20263152 22434204 22935216 24159912 24846484 26173238 26757752 27894048 29624654 29912272 32213216 37269726 39259857 40136628 40526304 43481347 44436981 44868408 45870432 48319824 49692968 52346476 53515504 59249308 59824544 74539452 78519714 80273256 86962694 88873962 89736816 96639648 99385936 103686289 104692952 107031008 118498616 130444041 149078904 157039428 160546512 173925388 177747924 179473632 192560251 198771872 207372578 209385904 236997232 260888082 298157808 311058867 314078856 321093024 347850776 355495848 385120502 414745156 418771808 473994464 521776164 577680753 596315616 622117734 628157712 695701552 710991696 770241004 829490312 1043552328 1155361506 1244235468 1256315424 1347921757 1391403104 1421983392 1540482008 1658980624 2087104656 2310723012 2488470936 2695843514 3080964016 3317961248 4043765271 4174209312 4621446024 4976941872 5391687028 6161928032 8087530542 9242892048 9953883744 10783374056 16175061084 18485784096 21566748112 32350122168 43133496224 64700244336 129400488672
• Sum of all divisors σ(n): 435832750080
• Sum of proper divisors (its aliquot sum) s(n): 306432261408
• 129400488672 is an abundant number, because the sum of its proper divisors (306432261408) is greater than itself. Its abundance is 177031772736

Bases of 129400488672

• Binary: 1111000100000110111101100001011100000₂
• Hexadecimal: 0x1E20DEC2E0
• Base-36: 1NG1PK2O

Squares and roots of 129400488672

• 129400488672 squared (129400488672²) is 16744486468552400323584
• 129400488672 cubed (129400488672³) is 2166744731592372162310340526440448
• The square root of 129400488672 is 359722.7942068725
• The cube root of 129400488672 is 5057.9978314023

Scales and comparisons

• 129,400,488,672 seconds is equal to 4,114 years, 27 weeks, 5 days, 20 hours, 11 minutes, 12 seconds.
• To count from 1 to 129,400,488,672 would take you about eight thousand, two hundred twenty-nine 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 129400488672 cubic inches would be around 421.5 feet tall.

Recreational maths with 129400488672

• 129400488672 backwards is 276884004921
• The number of decimal digits it has is: 12
• The sum of 129400488672's digits is 51
• More coming soon!