420861031920

Names of 420861031920

• Cardinal: 420861031920 can be written as Four hundred twenty billion, eight hundred sixty-one million, thirty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 4.2086103192 × 10¹¹

Factors of 420861031920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2851

Divisors of 420861031920

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 31 35 36 40 42 45 48 56 60 62 63 70 72 80 84 90 93 105 112 120 124 126 140 144 155 168 180 186 210 217 240 248 252 279 280 310 315 336 360 372 420 434 465 496 504 558 560 620 630 651 720 744 840 868 930 961 1008 1085 1116 1240 1260 1302 1395 1488 1680 1736 1860 1922 1953 2170 2232 2480 2520 2604 2790 2803 2883 3255 3472 3720 3844 3906 4340 4464 4805 5040 5208 5580 5606 5766 6510 6727 7440 7688 7812 8409 8649 8680 9610 9765 10416 11160 11212 11532 13020 13454 14015 14415 15376 15624 16818 17298 17360 19220 19530 19621 20181 22320 22424 23064 25227 26040 26908 28030 28830 29791 31248 33635 33636 34596 38440 39060 39242 40362 42045 43245 44848 46128 50454 52080 53816 56060 57660 58863 59582 60543 67270 67272 69192 76880 78120 78484 80724 84090 86490 86893 89373 98105 100905 100908 107632 112120 115320 117726 119164 121086 126135 134540 134544 138384 148955 156240 156968 161448 168180 172980 173786 176589 178746 196210 201810 201816 208537 224240 230640 235452 238328 242172 252270 260679 268119 269080 294315 297910 302715 313936 322896 336360 345960 347572 353178 357492 392420 403620 403632 417074 434465 446865 470904 476656 484344 504540 521358 536238 538160 588630 595820 605430 608251 625611 672720 691920 695144 706356 714984 782037 784840 807240 834148 868930 882945 893730 941808 968688 1009080 1042685 1042716 1072476 1177260 1191640 1210860 1216502 1251222 1303395 1340595 1390288 1412712 1429968 1564074 1569680 1614480 1668296 1737860 1765890 1787460 1824753 1876833 2018160 2085370 2085432 2144952 2354520 2383280 2421720 2433004 2502444 2606790 2681190 2693683 2825424 3041255 3128055 3128148 3336592 3475720 3531780 3574920 3649506 3753666 3910185 4170740 4170864 4289904 4709040 4843440 4866008 5004888 5213580 5362380 5387366 5474259 6082510 6256110 6256296 6951440 7063560 7149840 7299012 7507332 7820370 8081049 8341480 9123765 9384165 9732016 10009776 10427160 10724760 10774732 10948518 12165020 12512220 12512592 13468415 14127120 14598024 15014664 15640740 16162098 16682960 18247530 18768330 18855781 20854320 21449520 21549464 21897036 24243147 24330040 25024440 26936830 27371295 29196048 30029328 31281480 32324196 36495060 37536660 37711562 40405245 43098928 43794072 48486294 48660080 50048880 53873660 54742590 56567343 62562960 64648392 72990120 75073320 75423124 80810490 83504173 87588144 94278905 96972588 107747320 109485180 113134686 121215735 129296784 145980240 150146640 150846248 161620980 167008346 169702029 188557810 193945176 215494640 218970360 226269372 242431470 250512519 282836715 301692496 323241960 334016692 339404058 377115620 387890352 417520865 437940720 452538744 484862940 501025038 565673430 584529211 646483920 668033384 678808116 751537557 754231240 835041730 848510145 905077488 969725880 1002050076 1131346860 1169058422 1252562595 1336066768 1357616232 1503075114 1508462480 1670083460 1697020290 1753587633 1939451760 2004100152 2262693720 2338116844 2505125190 2715232464 2922646055 3006150228 3340166920 3394040580 3507175266 3757687785 4008200304 4525387440 4676233688 5010250380 5260762899 5845292110 6012300456 6680333840 6788081160 7014350532 7515375570 8767938165 9352467376 10020500760 10521525798 11690584220 12024600912 13576162320 14028701064 15030751140 17535876330 20041001520 21043051596 23381168440 26303814495 28057402128 30061502280 35071752660 42086103192 46762336880 52607628990 60123004560 70143505320 84172206384 105215257980 140287010640 210430515960 420861031920
• Sum of all divisors σ(n): 1669741891584
• Sum of proper divisors (its aliquot sum) s(n): 1248880859664
• 420861031920 is an abundant number, because the sum of its proper divisors (1248880859664) is greater than itself. Its abundance is 828019827744

Bases of 420861031920

• Binary: 110000111111101010001011011010111110000₂
• Hexadecimal: 0x61FD45B5F0
• Base-36: 5DC9SIK0

Squares and roots of 420861031920

• 420861031920 squared (420861031920²) is 177124008188767258886400
• 420861031920 cubed (420861031920³) is 74544592864131118727640094053888000
• The square root of 420861031920 is 648738.0302710795
• The cube root of 420861031920 is 7493.9864798989

Scales and comparisons

• 420,861,031,920 seconds is equal to 13,382 years, 4 weeks, 18 hours, 12 minutes.
• To count from 1 to 420,861,031,920 would take you about twenty-six thousand, seven hundred sixty-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 420861031920 cubic inches would be around 624.5 feet tall.

Recreational maths with 420861031920

• 420861031920 backwards is 029130168024
• 420861031920 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 420861031920's digits is 36
• More coming soon!