128839443200

Names of 128839443200

• Cardinal: 128839443200 can be written as One hundred twenty-eight billion, eight hundred thirty-nine million, four hundred forty-three thousand, two hundred.

Scientific notation

• Scientific notation: 1.288394432 × 10¹¹

Factors of 128839443200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 11972

Divisors of 128839443200

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 64 65 80 100 104 128 130 131 160 200 208 256 260 262 320 325 400 416 520 524 640 650 655 800 832 1040 1048 1280 1300 1310 1600 1664 1703 2080 2096 2600 2620 3200 3275 3328 3406 4160 4192 5200 5240 6400 6550 6812 8320 8384 8515 10400 10480 11821 13100 13624 16640 16768 17030 20800 20960 23642 26200 27248 33536 34060 41600 41920 42575 47284 52400 54496 59105 68120 83200 83840 85150 94568 104800 108992 118210 136240 153673 167680 170300 189136 209600 217984 236420 272480 295525 307346 340600 378272 419200 435968 472840 544960 591050 614692 681200 756544 768365 838400 945680 1089920 1182100 1229384 1362400 1513088 1536730 1548551 1891360 2179840 2364200 2458768 2724800 3026176 3073460 3097102 3782720 3841825 4728400 4917536 5449600 6146920 6194204 7565440 7683650 7742755 9456800 9835072 10899200 12293840 12388408 15130880 15367300 15485510 18913600 19670144 20131163 24587680 24776816 30734600 30971020 37827200 38713775 39340288 40262326 49175360 49553632 61469200 61942040 75654400 77427550 80524652 98350720 99107264 100655815 122938400 123884080 154855100 161049304 196701440 198214528 201311630 245876800 247768160 309710200 322098608 396429056 402623260 491753600 495536320 503279075 619420400 644197216 805246520 983507200 991072640 1006558150 1238840800 1288394432 1610493040 1982145280 2013116300 2477681600 2576788864 3220986080 4026232600 4955363200 5153577728 6441972160 8052465200 9910726400 12883944320 16104930400 25767888640 32209860800 64419721600 128839443200
• Sum of all divisors σ(n): 346079214096
• Sum of proper divisors (its aliquot sum) s(n): 217239770896
• 128839443200 is an abundant number, because the sum of its proper divisors (217239770896) is greater than itself. Its abundance is 88400327696

Bases of 128839443200

• Binary: 1110111111111011011011110001100000000₂
• Hexadecimal: 0x1DFF6DE300
• Base-36: 1N6ROEM8

Squares and roots of 128839443200

• 128839443200 squared (128839443200²) is 16599602124086026240000
• 128839443200 cubed (128839443200³) is 2138683495008780929662189568000000
• The square root of 128839443200 is 358942.1167820795
• The cube root of 128839443200 is 5050.6772048727

Scales and comparisons

• 128,839,443,200 seconds is equal to 4,096 years, 36 weeks, 1 day, 6 hours, 13 minutes, 20 seconds.
• To count from 1 to 128,839,443,200 would take you about eight thousand, one hundred ninety-three 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 128839443200 cubic inches would be around 420.9 feet tall.

Recreational maths with 128839443200

• 128839443200 backwards is 002344938821
• The number of decimal digits it has is: 12
• The sum of 128839443200's digits is 44
• More coming soon!