13129635840

Names of 13129635840

• Cardinal: 13129635840 can be written as Thirteen billion, one hundred twenty-nine million, six hundred thirty-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.312963584 × 10¹⁰

Factors of 13129635840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 869

Divisors of 13129635840

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 31 32 34 40 48 51 60 62 64 68 80 85 93 96 102 120 124 128 136 155 160 170 186 192 204 240 248 255 256 272 310 320 340 372 384 408 465 480 496 510 512 527 544 620 640 680 744 768 811 816 930 960 992 1020 1024 1054 1088 1240 1280 1360 1488 1536 1581 1622 1632 1860 1920 1984 2040 2048 2108 2176 2433 2480 2560 2635 2720 2976 3072 3162 3244 3264 3720 3840 3968 4055 4080 4216 4352 4866 4960 5120 5270 5440 5952 6144 6324 6488 6528 7440 7680 7905 7936 8110 8160 8432 8704 9732 9920 10240 10540 10880 11904 12165 12648 12976 13056 13787 14880 15360 15810 15872 16220 16320 16864 17408 19464 19840 21080 21760 23808 24330 25141 25296 25952 26112 27574 29760 30720 31620 31744 32440 32640 33728 34816 38928 39680 41361 42160 43520 47616 48660 50282 50592 51904 52224 55148 59520 63240 63488 64880 65280 67456 68935 75423 77856 79360 82722 84320 87040 95232 97320 100564 101184 103808 104448 110296 119040 125705 126480 129760 130560 134912 137870 150846 155712 158720 165444 168640 174080 190464 194640 201128 202368 206805 207616 220592 238080 251410 252960 259520 261120 269824 275740 301692 311424 317440 330888 337280 377115 389280 402256 404736 413610 415232 427397 441184 476160 502820 505920 519040 522240 539648 551480 603384 622848 661776 674560 754230 778560 804512 809472 827220 830464 854794 882368 952320 1005640 1011840 1038080 1079296 1102960 1206768 1245696 1282191 1323552 1349120 1508460 1557120 1609024 1618944 1654440 1660928 1709588 1764736 2011280 2023680 2076160 2136985 2205920 2413536 2491392 2564382 2647104 2698240 3016920 3114240 3218048 3237888 3308880 3419176 3529472 4022560 4047360 4152320 4273970 4411840 4827072 4982784 5128764 5294208 5396480 6033840 6228480 6410955 6436096 6617760 6838352 7058944 8045120 8094720 8304640 8547940 8823680 9654144 10257528 10588416 12067680 12456960 12821910 12872192 13235520 13676704 14117888 16090240 16189440 17095880 17647360 19308288 20515056 21176832 24135360 24913920 25643820 25744384 26471040 27353408 28235776 32180480 34191760 35294720 38616576 41030112 42353664 48270720 51287640 51488768 52942080 54706816 64360960 68383520 70589440 77233152 82060224 84707328 96541440 102575280 105884160 109413632 128721920 136767040 141178880 154466304 164120448 193082880 205150560 211768320 218827264 257443840 273534080 328240896 386165760 410301120 423536640 437654528 547068160 656481792 772331520 820602240 875309056 1094136320 1312963584 1641204480 2188272640 2625927168 3282408960 4376545280 6564817920 13129635840
• Sum of all divisors σ(n): 45966735360
• Sum of proper divisors (its aliquot sum) s(n): 32837099520
• 13129635840 is an abundant number, because the sum of its proper divisors (32837099520) is greater than itself. Its abundance is 19707463680

Bases of 13129635840

• Binary: 1100001110100101100101100000000000₂
• Hexadecimal: 0x30E965800
• Base-36: 6151NUO

Squares and roots of 13129635840

• 13129635840 squared (13129635840²) is 172387337291012505600
• 13129635840 cubed (13129635840³) is 2263382962058246303413960704000
• The square root of 13129635840 is 114584.6230521353
• The cube root of 13129635840 is 2359.1246777777

Scales and comparisons

• 13,129,635,840 seconds is equal to 417 years, 25 weeks, 9 hours, 4 minutes.
• To count from 1 to 13,129,635,840 would take you about eight hundred thirty-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 13129635840 cubic inches would be around 196.6 feet tall.

Recreational maths with 13129635840

• 13129635840 backwards is 04853692131
• The number of decimal digits it has is: 11
• The sum of 13129635840's digits is 42
• More coming soon!