381381389865420

Names of 381381389865420

• Cardinal: 381381389865420 can be written as Three hundred eighty-one trillion, three hundred eighty-one billion, three hundred eighty-nine million, eight hundred sixty-five thousand, four hundred twenty.

Scientific notation

• Scientific notation: 3.8138138986542 × 10¹⁴

Factors of 381381389865420

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 552758

Divisors of 381381389865420

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 61 70 84 105 122 140 183 210 244 305 366 420 427 610 732 854 915 1220 1281 1708 1830 2135 2562 3660 4270 5124 6405 8540 12810 25620 28393 56786 85179 113572 141965 170358 198751 283930 340716 397502 425895 524287 567860 596253 795004 851790 993755 1048574 1192506 1572861 1703580 1731973 1987510 2097148 2385012 2621435 2981265 3145722 3463946 3670009 3975020 5195919 5242870 5962530 6291444 6927892 7340018 7864305 8659865 10391838 10485740 11010027 11925060 12123811 14680036 15728610 17319730 18350045 20783676 22020054 24247622 25979595 31457220 31981507 34639460 36371433 36700090 44040108 48495244 51959190 55050135 60619055 63963014 72742866 73400180 95944521 103918380 110100270 121238110 127926028 145485732 159907535 181857165 191889042 220200540 223870549 242476220 319815070 363714330 383778084 447741098 479722605 639630140 671611647 727428660 895482196 959445210 1119352745 1343223294 1918890420 2238705490 2686446588 3358058235 4477410980 6716116470 13432232940 14886080791 29772161582 44658242373 59544323164 74430403955 89316484746 104202565537 148860807910 178632969492 208405131074 223291211865 297721615820 312607696611 416810262148 446582423730 521012827685 625215393222 893164847460 908050928251 1042025655370 1250430786444 1563038483055 1816101856502 2084051310740 2724152784753 3126076966110 3632203713004 4540254641255 5448305569506 6252153932220 6356356497757 9080509282510 10896611139012 12712712995514 13620763923765 18161018565020 19069069493271 25425425991028 27241527847530 31781782488785 38138138986542 54483055695060 63563564977570 76276277973084 95345347466355 127127129955140 190690694932710 381381389865420
• Sum of all divisors σ(n): 1240473393954816
• Sum of proper divisors (its aliquot sum) s(n): 859092004089396
• 381381389865420 is an abundant number, because the sum of its proper divisors (859092004089396) is greater than itself. Its abundance is 477710614223976

Bases of 381381389865420

• Binary: 1010110101101110101000110010001000101000111001100₂
• Hexadecimal: 0x15ADD464451CC
• Base-36: 3R6S6WJT1O

Squares and roots of 381381389865420

• 381381389865420 squared (381381389865420²) is 145451764535679485085711776400
• 381381389865420 cubed (381381389865420³) is 55472596116995248145261281319966105132088000
• The square root of 381381389865420 is 19528988.4496207329
• The cube root of 381381389865420 is 72519.2269174247

Scales and comparisons

• 381,381,389,865,420 seconds is equal to 12,126,748 years, 26 weeks, 2 days, 18 hours, 37 minutes.
• To count from 1 to 381,381,389,865,420 would take you about thirty million, three hundred sixteen thousand, eight hundred seventy-one 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 381381389865420 cubic inches would be around 6043.3 feet tall.

Recreational maths with 381381389865420

• 381381389865420 backwards is 024568983183183
• The number of decimal digits it has is: 15
• The sum of 381381389865420's digits is 69
• More coming soon!