129496732128

Names of 129496732128

• Cardinal: 129496732128 can be written as One hundred twenty-nine billion, four hundred ninety-six million, seven hundred thirty-two thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.29496732128 × 10¹¹

Factors of 129496732128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2606

Divisors of 129496732128

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 61 72 81 96 108 122 144 162 183 216 244 288 324 366 379 432 488 549 648 732 758 864 976 1098 1137 1296 1464 1516 1647 1952 2161 2196 2274 2592 2928 3032 3294 3411 4322 4392 4548 4941 5856 6064 6483 6588 6822 8644 8784 9096 9882 10233 12128 12966 13176 13644 17288 17568 18192 19449 19764 20466 23119 25932 26352 27288 30699 34576 36384 38898 39528 40932 46238 51864 52704 54576 58347 61398 69152 69357 77796 79056 81864 92476 103728 109152 116694 122796 131821 138714 155592 158112 163728 175041 184952 207456 208071 233388 245592 263642 277428 311184 327456 350082 369904 395463 416142 466776 491184 527284 554856 622368 624213 700164 739808 790926 819019 832284 933552 982368 1054568 1109712 1186389 1248426 1400328 1581852 1638038 1664568 1867104 1872639 2109136 2219424 2372778 2457057 2496852 2800656 3163704 3276076 3329136 3559167 3745278 4218272 4745556 4914114 4993704 5601312 6327408 6552152 6658272 7118334 7371171 7490556 9491112 9828228 9987408 10677501 12654816 13104304 14236668 14742342 14981112 18982224 19656456 19974816 21355002 22113513 26208608 28473336 29484684 29962224 37964448 39312912 42710004 44227026 49960159 56946672 58969368 59924448 66340539 78625824 85420008 88454052 99920318 113893344 117938736 132681078 149880477 170840016 176908104 199840636 235877472 265362156 299760954 341680032 353816208 399681272 449641431 530724312 599521908 707632416 799362544 899282862 1061448624 1199043816 1348924293 1598725088 1798565724 2122897248 2398087632 2697848586 3597131448 4046772879 4796175264 5395697172 7194262896 8093545758 10791394344 14388525792 16187091516 21582788688 32374183032 43165577376 64748366064 129496732128
• Sum of all divisors σ(n): 388290616560
• Sum of proper divisors (its aliquot sum) s(n): 258793884432
• 129496732128 is an abundant number, because the sum of its proper divisors (258793884432) is greater than itself. Its abundance is 129297152304

Bases of 129496732128

• Binary: 1111000100110100110110101000111100000₂
• Hexadecimal: 0x1E269B51E0
• Base-36: 1NHN0E00

Squares and roots of 129496732128

• 129496732128 squared (129496732128²) is 16769403631830987408384
• 129496732128 cubed (129496732128³) is 2171582970057527710593243789361152
• The square root of 129496732128 is 359856.5438171161
• The cube root of 129496732128 is 5059.2515066103

Scales and comparisons

• 129,496,732,128 seconds is equal to 4,117 years, 30 weeks, 6 days, 18 hours, 28 minutes, 48 seconds.
• To count from 1 to 129,496,732,128 would take you about eight thousand, two hundred thirty-five 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 129496732128 cubic inches would be around 421.6 feet tall.

Recreational maths with 129496732128

• 129496732128 backwards is 821237694921
• 129496732128 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129496732128's digits is 54
• More coming soon!