129428973180

Names of 129428973180

• Cardinal: 129428973180 can be written as One hundred twenty-nine billion, four hundred twenty-eight million, nine hundred seventy-three thousand, one hundred eighty.

Scientific notation

• Scientific notation: 1.2942897318 × 10¹¹

Factors of 129428973180

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2805

Divisors of 129428973180

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 19 20 23 26 30 36 38 39 45 46 47 52 57 60 65 69 76 78 90 92 94 95 114 115 117 130 138 141 156 171 180 188 190 195 207 228 230 234 235 247 260 276 282 285 299 342 345 380 390 414 423 437 460 468 470 494 564 570 585 598 611 684 690 705 741 780 828 846 855 874 893 897 940 988 1035 1081 1140 1170 1196 1222 1235 1311 1380 1410 1482 1495 1692 1710 1748 1786 1794 1833 2070 2115 2162 2185 2223 2340 2444 2470 2622 2679 2691 2693 2820 2964 2990 3055 3243 3420 3572 3588 3666 3705 3933 4140 4230 4324 4370 4446 4465 4485 4940 5244 5358 5382 5386 5405 5499 5681 5980 6110 6486 6555 7332 7410 7866 8037 8079 8460 8740 8892 8930 8970 9165 9729 10716 10764 10772 10810 10998 11115 11362 11609 12220 12972 13110 13395 13455 13465 14053 14820 15732 16074 16158 16215 17043 17860 17940 18330 19458 19665 20539 21620 21996 22230 22724 23218 24237 26220 26790 26910 26930 27495 28106 28405 32148 32316 32430 34086 34827 35009 36660 38916 39330 40185 40395 41078 42159 44460 46436 48474 48645 51129 51167 53580 53820 53860 54990 56212 56810 58045 61617 61939 64860 68172 69654 70018 70265 78660 80370 80790 82156 84318 85215 96948 97290 102258 102334 102695 104481 105027 109980 113620 116090 121185 123234 123878 126477 126571 139308 140036 140530 153501 160740 161580 168636 170430 174135 175045 184851 185817 194580 204516 204668 205390 208962 210054 210795 232180 242370 246468 247756 252954 253142 255645 255835 267007 281060 307002 308085 309695 315081 340860 348270 350090 369702 371634 379713 410780 417924 420108 421590 460503 484740 505908 506284 511290 511670 522405 525135 534014 557451 614004 616170 619390 630162 632385 632855 665171 696540 700180 739404 743268 759426 767505 801021 805207 843180 921006 924255 929085 1022580 1023340 1044810 1050270 1068028 1114902 1139139 1176841 1232340 1238780 1260324 1264770 1265710 1330342 1335035 1518852 1535010 1575405 1602042 1610414 1645423 1842012 1848510 1858170 1898565 1995513 2089620 2100540 2229804 2278278 2302515 2353682 2403063 2404849 2415621 2529540 2531420 2660684 2670070 2787255 2911133 3070020 3150810 3204084 3220828 3290846 3325855 3530523 3697020 3716340 3797130 3991026 4005105 4026035 4556556 4605030 4707364 4806126 4809698 4831242 4936269 5340140 5574510 5695695 5822266 5884205 5986539 6301620 6581692 6651710 7061046 7214547 7246863 7594260 7982052 8010210 8052070 8227115 8733399 9210060 9612252 9619396 9662484 9872538 9977565 10591569 11149020 11391390 11644532 11768410 11973078 12015315 12024245 12078105 13303420 14122092 14429094 14493726 14555665 14808807 15298933 16020420 16104140 16454230 17466798 17652615 19745076 19955130 21183138 21643641 22782780 23536820 23946156 24030630 24048490 24156210 24681345 26200197 28858188 28987452 29111330 29617614 29932695 30597866 31263037 32908460 34933596 35305230 36072735 36234315 37844729 39910260 42366276 43287282 43666995 45896799 48061260 48096980 48312420 49362690 52400394 52957845 55311527 58222660 59235228 59865390 61195732 62526074 70610460 72145470 72468630 74044035 75689458 76494665 86574564 87333990 91793598 93789111 98725380 104800788 105915690 108218205 110623054 113534187 119730780 125052148 131000985 137690397 144290940 144937260 148088070 151378916 152989330 156315185 165934581 174667980 183587196 187578222 189223645 211831380 216436410 221246108 227068374 229483995 262001970 275380794 276557635 281367333 296176140 305978660 312630370 331869162 340602561 375156444 378447290 432872820 454136748 458967990 468945555 497803743 524003940 550761588 553115270 562734666 567670935 625260740 663738324 681205122 688451985 719049851 756894580 829672905 917935980 937891110 995607486 1106230540 1125469332 1135341870 1362410244 1376903970 1406836665 1438099702 1659345810 1703012805 1875782220 1991214972 2157149553 2270683740 2489018715 2753807940 2813673330 2876199404 3318691620 3406025610 3595249255 4314299106 4978037430 5627346660 6471448659 6812051220 7190498510 8628598212 9956074860 10785747765 12942897318 14380997020 21571495530 25885794636 32357243295 43142991060 64714486590 129428973180
• Sum of all divisors σ(n): 474461245440
• Sum of proper divisors (its aliquot sum) s(n): 345032272260
• 129428973180 is an abundant number, because the sum of its proper divisors (345032272260) is greater than itself. Its abundance is 215603299080

Bases of 129428973180

• Binary: 1111000100010100100010110011001111100₂
• Hexadecimal: 0x1E2291667C
• Base-36: 1NGIO2V0

Squares and roots of 129428973180

• 129428973180 squared (129428973180²) is 16751859098429159312400
• 129428973180 cubed (129428973180³) is 2168175921965726640774566841432000
• The square root of 129428973180 is 359762.3843316587
• The cube root of 129428973180 is 5058.3689377017

Scales and comparisons

• 129,428,973,180 seconds is equal to 4,115 years, 22 weeks, 6 days, 12 hours, 33 minutes.
• To count from 1 to 129,428,973,180 would take you about eight thousand, two hundred thirty 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 129428973180 cubic inches would be around 421.5 feet tall.

Recreational maths with 129428973180

• 129428973180 backwards is 081379824921
• The number of decimal digits it has is: 12
• The sum of 129428973180's digits is 54
• More coming soon!