129918271488

Names of 129918271488

• Cardinal: 129918271488 can be written as One hundred twenty-nine billion, nine hundred eighteen million, two hundred seventy-one thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 1.29918271488 × 10¹¹

Factors of 129918271488

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 291

Divisors of 129918271488

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 24 32 34 48 51 64 68 96 102 128 136 192 204 256 269 272 289 384 408 512 538 544 578 768 807 816 867 1024 1076 1088 1156 1536 1614 1632 1734 2048 2152 2176 2312 3072 3228 3264 3468 4096 4304 4352 4573 4624 4913 6144 6456 6528 6936 8192 8608 8704 9146 9248 9826 12288 12912 13056 13719 13872 14739 16384 17216 17408 18292 18496 19652 24576 25824 26112 27438 27744 29478 32768 34432 34816 36584 36992 39304 49152 51648 52224 54876 55488 58956 68864 69632 73168 73984 77741 78608 98304 103296 104448 109752 110976 117912 137728 139264 146336 147968 155482 157216 206592 208896 219504 221952 233223 235824 275456 278528 292672 295936 310964 314432 413184 417792 439008 443904 466446 471648 550912 557056 585344 591872 621928 628864 826368 835584 878016 887808 932892 943296 1101824 1170688 1183744 1243856 1257728 1321597 1652736 1671168 1756032 1775616 1865784 1886592 2203648 2341376 2367488 2487712 2515456 2643194 3305472 3512064 3551232 3731568 3773184 3964791 4407296 4682752 4734976 4975424 5030912 5286388 6610944 7024128 7102464 7463136 7546368 7929582 8814592 9365504 9469952 9950848 10061824 10572776 13221888 14048256 14204928 14926272 15092736 15859164 18731008 19901696 20123648 21145552 26443776 28096512 28409856 29852544 30185472 31718328 37462016 39803392 40247296 42291104 56193024 59705088 60370944 63436656 74924032 79606784 80494592 84582208 112386048 119410176 120741888 126873312 149848064 159213568 160989184 169164416 224772096 238820352 241483776 253746624 318427136 338328832 449544192 477640704 482967552 507493248 636854272 676657664 955281408 1014986496 1273708544 1353315328 1910562816 2029972992 2547417088 2706630656 3821125632 4059945984 5413261312 7642251264 8119891968 10826522624 16239783936 21653045248 32479567872 43306090496 64959135744 129918271488
• Sum of all divisors σ(n): 369460116000
• Sum of proper divisors (its aliquot sum) s(n): 239541844512
• 129918271488 is an abundant number, because the sum of its proper divisors (239541844512) is greater than itself. Its abundance is 109623573024

Bases of 129918271488

• Binary: 1111000111111101110111000000000000000₂
• Hexadecimal: 0x1E3FBB8000
• Base-36: 1NOLZFUO

Squares and roots of 129918271488

• 129918271488 squared (129918271488²) is 16878757266429673734144
• 129918271488 cubed (129918271488³) is 2192858968920063100651782927286272
• The square root of 129918271488 is 360441.7726734791
• The cube root of 129918271488 is 5064.7352066779

Scales and comparisons

• 129,918,271,488 seconds is equal to 4,130 years, 51 weeks, 6 days, 16 hours, 44 minutes, 48 seconds.
• To count from 1 to 129,918,271,488 would take you about eight thousand, two hundred sixty-one 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 129918271488 cubic inches would be around 422.1 feet tall.

Recreational maths with 129918271488

• 129918271488 backwards is 884172819921
• The number of decimal digits it has is: 12
• The sum of 129918271488's digits is 60
• More coming soon!