129939986682728

Names of 129939986682728

• Cardinal: 129939986682728 can be written as One hundred twenty-nine trillion, nine hundred thirty-nine billion, nine hundred eighty-six million, six hundred eighty-two thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.29939986682728 × 10¹⁴

Factors of 129939986682728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 488

Divisors of 129939986682728

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 8 19 38 76 107 131 152 214 229 262 361 428 458 524 722 856 916 1048 1444 1832 2033 2489 2888 4066 4351 4978 8132 8702 9956 11449 14017 16264 17161 17404 19912 22898 24503 28034 29999 34322 34808 38627 45796 47291 49006 56068 59998 68644 77254 82669 91592 94582 98012 112136 119996 137288 154508 165338 189164 196024 217531 239992 266323 309016 326059 330676 378328 435062 465557 532646 569981 652118 661352 870124 931114 1065292 1139962 1304236 1499819 1740248 1836227 1862228 2130584 2279924 2608472 2621821 2999638 3209893 3672454 3724456 3929869 4133089 4559848 5060137 5243642 5999276 6195121 6419786 7344908 7859738 8266178 8845583 10120274 10487284 10829639 11998552 12390242 12839572 14689816 15719476 16532356 17691166 20240548 20974568 21659278 24780484 25679144 28496561 31438952 33064712 34888313 35382332 40481096 43318556 49560968 49814599 56993122 60987967 69776626 70764664 74667511 86637112 99629198 113986244 121975934 139553252 149335022 196476289 199258396 227972488 243951868 279106504 298670044 343458551 392952578 398516792 420495983 487903736 541434659 597340088 662877947 686917102 785905156 840991966 946477381 1082869318 1158771373 1325755894 1373834204 1418682709 1571810312 1681983932 1892954762 2165738636 2317542746 2651511788 2747668408 2837365418 3363967864 3733049491 3785909524 4331477272 4635085492 5303023576 5674730836 6525712469 7466098982 7571819048 7989423677 9270170984 11349461672 13051424938 14932197964 15978847354 26102849876 29864395928 31957694708 44993070181 52205699752 63915389416 70927940329 89986140362 123988536911 141855880658 151799049863 179972280724 247977073822 283711761316 303598099726 359944561448 495954147644 567423522632 607196199452 854868333439 991908295288 1214392398904 1709736666878 3419473333756 6838946667512 16242498335341 32484996670682 64969993341364 129939986682728
• Sum of all divisors σ(n): 262699668954450
• Sum of proper divisors (its aliquot sum) s(n): 132759682271722
• 129939986682728 is an abundant number, because the sum of its proper divisors (132759682271722) is greater than itself. Its abundance is 2819695588994

Bases of 129939986682728

• Binary: 11101100010111000000010101111111001001101101000₂
• Hexadecimal: 0x762E02BF9368
• Base-36: 1A25LT4BC8

Squares and roots of 129939986682728

• 129939986682728 squared (129939986682728²) is 16884400139107529989733521984
• 129939986682728 cubed (129939986682728³) is 2193958729221483237533159725162440221092352
• The square root of 129939986682728 is 11399122.1891305299
• The cube root of 129939986682728 is 50650.1737274779

Scales and comparisons

• 129,939,986,682,728 seconds is equal to 4,131,689 years, 33 weeks, 4 days, 1 hour, 12 minutes, 8 seconds.
• To count from 1 to 129,939,986,682,728 would take you about ten million, three hundred twenty-nine thousand, two hundred twenty-four 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 129939986682728 cubic inches would be around 4220.8 feet tall.

Recreational maths with 129939986682728

• 129939986682728 backwards is 827286689939921
• The number of decimal digits it has is: 15
• The sum of 129939986682728's digits is 89
• More coming soon!