129987817488400

Names of 129987817488400

• Cardinal: 129987817488400 can be written as One hundred twenty-nine trillion, nine hundred eighty-seven billion, eight hundred seventeen million, four hundred eighty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 1.299878174884 × 10¹⁴

Factors of 129987817488400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 33557

Divisors of 129987817488400

• Number of divisors d(n): 135
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 25 34 40 50 68 80 85 100 136 170 200 272 289 340 400 425 578 680 850 1156 1360 1445 1700 2312 2890 3400 4624 5780 6800 7225 11560 14450 23120 28900 33533 57800 67066 115600 134132 167665 268264 335330 536528 570061 670660 838325 1140122 1341320 1676650 2280244 2682640 2850305 3353300 4560488 5700610 6706600 9120976 9691037 11401220 13413200 14251525 19382074 22802440 28503050 38764148 45604880 48455185 57006100 77528296 96910370 114012200 155056592 193820740 228024400 242275925 387641480 484551850 775282960 969103700 1124462089 1938207400 2248924178 3876414800 4497848356 5622310445 8995696712 11244620890 17991393424 19115855513 22489241780 28111552225 38231711026 44978483560 56223104450 76463422052 89956967120 95579277565 112446208900 152926844104 191158555130 224892417800 305853688208 324969543721 382317110260 449784835600 477896387825 649939087442 764634220520 955792775650 1299878174884 1529268441040 1624847718605 1911585551300 2599756349768 3249695437210 3823171102600 5199512699536 6499390874420 7646342205200 8124238593025 12998781748840 16248477186050 25997563497680 32496954372100 64993908744200 129987817488400
• Sum of all divisors σ(n): 331756570166821
• Sum of proper divisors (its aliquot sum) s(n): 201768752678421
• 129987817488400 is an abundant number, because the sum of its proper divisors (201768752678421) is greater than itself. Its abundance is 71780935190021

Bases of 129987817488400

• Binary: 11101100011100100100101101011111100000000010000₂
• Hexadecimal: 0x763925AFC010
• Base-36: 1A2RKUCH74

Squares and roots of 129987817488400

• 129987817488400 squared (129987817488400²) is 16896832695397588884134560000
• 129987817488400 cubed (129987817488400³) is 2196382404541371614544299799666839104000000
• 129987817488400 is a perfect square number. Its square root is 11401220
• The cube root of 129987817488400 is 50656.3877279621

Scales and comparisons

• 129,987,817,488,400 seconds is equal to 4,133,210 years, 26 weeks, 6 days, 8 hours, 6 minutes, 40 seconds.
• To count from 1 to 129,987,817,488,400 would take you about ten million, three hundred thirty-three thousand and twenty-six 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 129987817488400 cubic inches would be around 4221.4 feet tall.

Recreational maths with 129987817488400

• 129987817488400 backwards is 004884718789921
• The number of decimal digits it has is: 15
• The sum of 129987817488400's digits is 76
• More coming soon!