129129787332

Names of 129129787332

• Cardinal: 129129787332 can be written as One hundred twenty-nine billion, one hundred twenty-nine million, seven hundred eighty-seven thousand, three hundred thirty-two.

Scientific notation

• Scientific notation: 1.29129787332 × 10¹¹

Factors of 129129787332

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1092

Divisors of 129129787332

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 36 39 42 52 54 63 78 84 91 108 109 117 126 149 156 182 189 218 234 252 273 298 327 351 364 378 436 447 468 546 596 654 702 756 763 809 819 894 981 1043 1092 1308 1341 1404 1417 1526 1618 1638 1788 1937 1962 2086 2289 2427 2457 2682 2834 2943 3052 3129 3236 3276 3874 3924 4023 4172 4251 4578 4854 4914 5364 5663 5668 5811 5886 6258 6867 7281 7748 8046 8502 9156 9387 9708 9828 9919 10517 11326 11622 11772 12516 12753 13559 13734 14562 16092 16241 16989 17004 17433 18774 19838 20601 21034 21843 22652 23244 25506 27118 27468 28161 29124 29757 31551 32482 33978 34866 37548 38259 39676 40677 41202 42068 43686 48723 50967 51012 52299 54236 56322 59514 63102 64964 67956 69732 73619 76518 81354 82404 87372 88181 89271 94653 97446 101934 104598 112644 113687 119028 120541 122031 126204 146169 147238 152901 153036 162708 176362 178542 189306 194892 203868 209196 211133 220857 227374 241082 244062 264543 267813 283959 292338 294476 305802 341061 352724 357084 361623 366093 378612 422266 438507 441714 454748 482164 488124 529086 535626 567918 584676 611604 617267 633399 662571 682122 723246 732186 793629 843787 844532 877014 883428 1023183 1058172 1071252 1084869 1135836 1146353 1234534 1266798 1325142 1364244 1446492 1464372 1477931 1567033 1587258 1687574 1754028 1851801 1900197 1987713 2046366 2169738 2292706 2380887 2469068 2531361 2533596 2650284 2955862 3069549 3134066 3174516 3254607 3375148 3439059 3703602 3800394 3975426 4092732 4339476 4433793 4585412 4701099 4761774 5062722 5555403 5700591 5911724 6139098 6268132 6509214 6878118 7407204 7594083 7600788 7950852 8024471 8867586 9402198 9523548 10125444 10317177 10969231 11110806 11401182 12278196 13018428 13138969 13301379 13756236 14103297 15188166 16048942 16666209 17735172 18804396 20634354 21938462 22221612 22782249 22802364 24073413 26277938 26602758 28206594 30376332 30951531 32097884 32907693 33332418 39416907 39904137 41268708 42309891 43876924 45564498 48146826 52555876 53205516 56413188 61903062 65815386 66664836 72220239 78833814 79808274 84619782 91128996 91972783 96293652 98723079 118250721 123806124 131630772 144440478 157667628 159616548 169239564 170806597 183945566 197446158 216660717 236501442 275918349 288880956 296169237 341613194 354752163 367891132 394892316 433321434 473002884 512419791 551836698 592338474 683226388 709504326 827755047 866642868 1024839582 1103673396 1184676948 1195646179 1419008652 1537259373 1655510094 2049679164 2391292358 2483265141 3074518746 3311020188 3586938537 4611778119 4782584716 4966530282 6149037492 7173877074 9223556238 9933060564 10760815611 14347754148 18447112476 21521631222 32282446833 43043262444 64564893666 129129787332
• Sum of all divisors σ(n): 419126400000
• Sum of proper divisors (its aliquot sum) s(n): 289996612668
• 129129787332 is an abundant number, because the sum of its proper divisors (289996612668) is greater than itself. Its abundance is 160866825336

Bases of 129129787332

• Binary: 1111000010000101111000010111111000100₂
• Hexadecimal: 0x1E10BC2FC4
• Base-36: 1NBKJHL0

Squares and roots of 129129787332

• 129129787332 squared (129129787332²) is 16674501976407547678224
• 129129787332 cubed (129129787332³) is 2153174894080520313048715487458368
• The square root of 129129787332 is 359346.3334055325
• The cube root of 129129787332 is 5054.4683169631

Scales and comparisons

• 129,129,787,332 seconds is equal to 4,105 years, 48 weeks, 1 day, 17 hours, 22 minutes, 12 seconds.
• To count from 1 to 129,129,787,332 would take you about eight thousand, two hundred eleven 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 129129787332 cubic inches would be around 421.2 feet tall.

Recreational maths with 129129787332

• 129129787332 backwards is 233787921921
• 129129787332 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129129787332's digits is 54
• More coming soon!