129342779072

Names of 129342779072

• Cardinal: 129342779072 can be written as One hundred twenty-nine billion, three hundred forty-two million, seven hundred seventy-nine thousand and seventy-two.

Scientific notation

• Scientific notation: 1.29342779072 × 10¹¹

Factors of 129342779072

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 401

Divisors of 129342779072

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 8 13 16 19 26 31 32 38 52 62 64 76 79 104 124 152 158 169 208 247 248 257 304 316 338 403 416 494 496 514 589 608 632 676 806 832 988 992 1027 1028 1178 1216 1264 1352 1501 1612 1976 1984 2054 2056 2356 2449 2528 2704 3002 3211 3224 3341 3952 4108 4112 4712 4883 4898 5056 5239 5408 6004 6422 6448 6682 7657 7904 7967 8216 8224 9424 9766 9796 10478 10816 12008 12844 12896 13351 13364 15314 15808 15934 16432 16448 18848 19513 19532 19592 20303 20956 24016 25688 25792 26702 26728 30628 31837 31868 32864 37696 39026 39064 39184 40606 41912 43433 46531 48032 51376 53404 53456 61256 63479 63674 63736 65728 78052 78128 78368 81212 83824 86866 93062 96064 99541 102752 103571 106808 106912 122512 126958 127348 127472 151373 156104 156256 156736 162424 167648 173732 186124 199082 205504 207142 213616 213824 245024 253669 253916 254696 254944 263939 302746 312208 312512 324848 335296 347464 372248 385757 398164 413881 414284 427232 490048 507338 507832 509392 509888 527878 604903 605492 624416 629393 649696 694928 744496 771514 796328 825227 827762 828568 854464 1014676 1015664 1018784 1055756 1209806 1210984 1248832 1258786 1299392 1346423 1389856 1488992 1543028 1592656 1650454 1655524 1657136 1967849 2029352 2031328 2037568 2111512 2419612 2421968 2517572 2692846 2779712 2977984 3086056 3185312 3300908 3311048 3314272 3431207 3935698 4058704 4062656 4223024 4839224 4843936 5014841 5035144 5385692 6172112 6370624 6601816 6622096 6628544 6862414 7863739 7871396 8117408 8182109 8446048 9678448 9687872 10029682 10070288 10771384 11958467 12344224 13203632 13244192 13724828 15727478 15742792 16234816 16364218 16892096 19356896 20059364 20140576 21542768 23916934 24688448 25582037 26407264 26488384 27449656 31454956 31485584 32728436 38713792 40118728 40281152 43085536 47833868 51164074 52814528 54899312 62909912 62971168 65192933 65456872 80237456 86171072 95667736 102328148 106367417 109798624 125819824 125942336 130385866 130913744 155460071 160474912 191335472 204656296 212734834 219597248 251639648 260771732 261827488 310920142 320949824 382670944 409312592 425469668 503279296 521543464 523654976 621840284 765341888 818625184 850939336 1043086928 1243680568 1637250368 1701878672 2020980923 2086173856 2487361136 3403757344 4041961846 4172347712 4974722272 6807514688 8083923692 9949444544 16167847384 32335694768 64671389536 129342779072
• Sum of all divisors σ(n): 307004313600
• Sum of proper divisors (its aliquot sum) s(n): 177661534528
• 129342779072 is an abundant number, because the sum of its proper divisors (177661534528) is greater than itself. Its abundance is 48318755456

Bases of 129342779072

• Binary: 1111000011101011011100010111011000000₂
• Hexadecimal: 0x1E1D6E2EC0
• Base-36: 1NF3CN28

Squares and roots of 129342779072

• 129342779072 squared (129342779072²) is 16729554498068201181184
• 129342779072 cubed (129342779072³) is 2163847071416619196166331555381248
• The square root of 129342779072 is 359642.5712732019
• The cube root of 129342779072 is 5057.2458032397

Scales and comparisons

• 129,342,779,072 seconds is equal to 4,112 years, 36 weeks, 2 days, 21 hours, 44 minutes, 32 seconds.
• To count from 1 to 129,342,779,072 would take you about eight thousand, two hundred twenty-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 129342779072 cubic inches would be around 421.4 feet tall.

Recreational maths with 129342779072

• 129342779072 backwards is 270977243921
• The number of decimal digits it has is: 12
• The sum of 129342779072's digits is 53
• More coming soon!