855415794420

Names of 855415794420

• Cardinal: 855415794420 can be written as Eight hundred fifty-five billion, four hundred fifteen million, seven hundred ninety-four thousand, four hundred twenty.

Scientific notation

• Scientific notation: 8.5541579442 × 10¹¹

Factors of 855415794420

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2110

Divisors of 855415794420

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 44 45 54 55 60 66 81 90 99 108 110 121 132 135 162 165 180 198 220 242 270 297 324 330 363 396 405 484 495 540 594 605 660 726 810 891 990 1089 1188 1210 1452 1485 1620 1782 1815 1980 2089 2178 2420 2970 3267 3564 3630 4178 4356 4455 5445 5940 6267 6534 7260 8356 8910 9801 10445 10890 12534 13068 16335 17820 18801 19602 20890 21780 22979 25068 31335 32670 37602 39204 41780 45958 49005 56403 62670 65340 68937 75204 91916 94005 98010 112806 114895 125340 137874 169209 188010 196020 206811 225612 229790 252769 275748 282015 338418 344685 376020 413622 459580 505538 564030 620433 676836 689370 758307 827244 846045 1011076 1034055 1128060 1240866 1263845 1378740 1516614 1692090 1861299 2068110 2274921 2481732 2527690 3033228 3102165 3384180 3722598 3791535 4136220 4363921 4549842 5055380 6204330 6824763 7445196 7583070 8727842 9099684 9306495 11374605 12408660 13091763 13649526 15166140 17455684 18612990 20474289 21819605 22749210 26183526 27299052 34123815 37225980 39275289 40948578 43639210 45498420 48003131 52367052 65458815 68247630 78550578 81897156 87278420 96006262 102371445 117825867 130917630 136495260 144009393 157101156 192012524 196376445 204742890 235651734 240015655 261835260 288018786 353477601 392752890 409485780 432028179 471303468 480031310 528034441 576037572 589129335 706955202 720046965 785505780 864056358 960062620 1056068882 1178258670 1296084537 1413910404 1440093930 1584103323 1728112716 1767388005 2112137764 2160140895 2356517340 2592169074 2640172205 2880187860 3168206646 3534776010 3888253611 4320281790 4752309969 5184338148 5280344410 6336413292 6480422685 7069552020 7776507222 7920516615 8640563580 9504619938 10560688820 12960845370 14256929907 15553014444 15841033230 19009239876 19441268055 23761549845 25921690740 28513859814 31682066460 38882536110 42770789721 47523099690 57027719628 71284649535 77765072220 85541579442 95046199380 142569299070 171083158884 213853948605 285138598140 427707897210 855415794420
• Sum of all divisors σ(n): 2951013030966
• Sum of proper divisors (its aliquot sum) s(n): 2095597236546
• 855415794420 is an abundant number, because the sum of its proper divisors (2095597236546) is greater than itself. Its abundance is 1240181442126

Bases of 855415794420

• Binary: 1100011100101010110000010010101011110100₂
• Hexadecimal: 0xC72AC12AF4
• Base-36: AWZ0H790

Squares and roots of 855415794420

• 855415794420 squared (855415794420²) is 731736181343199703136400
• 855415794420 cubed (855415794420³) is 625938686869550356723131771618888000
• The square root of 855415794420 is 924886.9089894181
• The cube root of 855415794420 is 9492.7582647535

Scales and comparisons

• 855,415,794,420 seconds is equal to 27,199 years, 29 weeks, 6 days, 18 hours, 27 minutes.
• To count from 1 to 855,415,794,420 would take you about fifty-four thousand, three hundred ninety-nine 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 855415794420 cubic inches would be around 791.1 feet tall.

Recreational maths with 855415794420

• 855415794420 backwards is 024497514558
• 855415794420 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 855415794420's digits is 54
• More coming soon!