129478932480

Names of 129478932480

• Cardinal: 129478932480 can be written as One hundred twenty-nine billion, four hundred seventy-eight million, nine hundred thirty-two thousand, four hundred eighty.

Scientific notation

• Scientific notation: 1.2947893248 × 10¹¹

Factors of 129478932480

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 2063

Divisors of 129478932480

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 512 640 768 960 1024 1280 1536 1920 2048 2053 2560 3072 3840 4106 5120 6144 6159 7680 8212 10240 10265 12318 15360 16424 20530 24636 30720 30795 32848 41060 49272 61590 65696 82120 98544 123180 131392 164240 197088 246360 262784 328480 394176 492720 525568 656960 788352 985440 1051136 1313920 1576704 1970880 2102272 2627840 3153408 3941760 4204544 4214809 5255680 6306816 7883520 8429618 10511360 12613632 12644427 15767040 16859236 21022720 21074045 25288854 31534080 33718472 42148090 50577708 63068160 63222135 67436944 84296180 101155416 126444270 134873888 168592360 202310832 252888540 269747776 337184720 404621664 505777080 539495552 674369440 809243328 1011554160 1078991104 1348738880 1618486656 2023108320 2157982208 2697477760 3236973312 4046216640 4315964416 5394955520 6473946624 8092433280 8631928832 10789911040 12947893248 16184866560 21579822080 25895786496 32369733120 43159644160 64739466240 129478932480
• Sum of all divisors σ(n): 414433295640
• Sum of proper divisors (its aliquot sum) s(n): 284954363160
• 129478932480 is an abundant number, because the sum of its proper divisors (284954363160) is greater than itself. Its abundance is 155475430680

Bases of 129478932480

• Binary: 1111000100101100010111011100000000000₂
• Hexadecimal: 0x1E258BB800
• Base-36: 1NHCEVPC

Squares and roots of 129478932480

• 129478932480 squared (129478932480²) is 16764793956160398950400
• 129478932480 cubed (129478932480³) is 2170687624690804375748704468992000
• The square root of 129478932480 is 359831.8113785939
• The cube root of 129478932480 is 5059.0196937535

Scales and comparisons

• 129,478,932,480 seconds is equal to 4,117 years, 1 week, 3 days, 18 hours, 8 minutes.
• To count from 1 to 129,478,932,480 would take you about eight thousand, two 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 129478932480 cubic inches would be around 421.6 feet tall.

Recreational maths with 129478932480

• 129478932480 backwards is 084239874921
• The number of decimal digits it has is: 12
• The sum of 129478932480's digits is 57
• More coming soon!