28371031920

Names of 28371031920

• Cardinal: 28371031920 can be written as Twenty-eight billion, three hundred seventy-one million, thirty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.837103192 × 10¹⁰

Factors of 28371031920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 4038

Divisors of 28371031920

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 27 28 30 33 35 36 40 42 43 44 45 48 54 55 56 60 63 66 70 72 77 80 84 86 88 90 99 105 108 110 112 120 126 129 132 135 140 144 154 165 168 172 176 180 189 198 210 215 216 220 231 240 252 258 264 270 280 297 301 308 315 330 336 344 360 378 385 387 396 420 430 432 440 462 473 495 504 516 528 540 560 594 602 616 630 645 660 688 693 720 756 770 774 792 840 860 880 903 924 945 946 990 1008 1032 1080 1155 1161 1188 1204 1232 1260 1290 1320 1386 1419 1485 1505 1512 1540 1548 1584 1680 1720 1806 1848 1890 1892 1935 1980 2064 2079 2160 2310 2322 2365 2376 2408 2520 2580 2640 2709 2772 2838 2970 3010 3024 3080 3096 3311 3440 3465 3612 3696 3780 3784 3870 3960 3967 4158 4257 4515 4620 4644 4730 4752 4816 5040 5160 5418 5544 5676 5805 5940 6020 6160 6192 6622 6930 7095 7224 7560 7568 7740 7920 7934 8127 8316 8514 9030 9240 9288 9460 9933 10320 10395 10836 11088 11352 11610 11880 11901 12040 12771 13244 13545 13860 14190 14448 15120 15480 15868 16254 16555 16632 17028 18060 18480 18576 18920 19835 19866 20790 21285 21672 22704 23220 23760 23802 24080 25542 26488 27090 27720 27769 28380 29799 30960 31736 32508 33110 33264 34056 35703 36120 37840 39670 39732 40635 41580 42570 43344 43637 46440 47604 49665 51084 52976 54180 55440 55538 56760 59505 59598 63472 63855 65016 66220 68112 71406 72240 79340 79464 81270 83160 83307 85140 87274 89397 92880 95208 99330 102168 107109 108360 111076 113520 119010 119196 127710 130032 130911 132440 138845 142812 148995 158680 158928 162540 166320 166614 170280 170581 174548 178515 178794 190416 198660 204336 214218 216720 218185 222152 238020 238392 249921 255420 261822 264880 277690 285624 297990 305459 317360 325080 333228 340560 341162 349096 357030 357588 392733 397320 416535 428436 436370 444304 446985 476040 476784 499842 510840 511743 523644 535545 555380 571248 595980 610918 650160 654555 666456 682324 698192 714060 715176 749763 785466 794640 833070 852905 856872 872740 893970 916377 952080 999684 1021680 1023486 1047288 1071090 1110760 1178199 1191960 1194067 1221836 1249605 1309110 1332912 1364648 1428120 1430352 1499526 1527295 1535229 1570932 1666140 1705810 1713744 1745480 1787940 1832754 1876391 1963665 1999368 2046972 2094576 2142180 2221520 2356398 2383920 2388134 2443672 2499210 2558715 2618220 2729296 2749131 2856240 2999052 3054590 3070458 3141864 3332280 3411620 3490960 3575880 3582201 3665508 3748815 3752782 3927330 3998736 4093944 4284360 4581885 4605687 4712796 4776268 4887344 4998420 5117430 5236440 5498262 5629173 5890995 5970335 5998104 6109180 6140916 6283728 6664560 6823240 7151760 7164402 7331016 7497630 7505564 7676145 7854660 8187888 8247393 8568720 9163770 9211374 9381955 9425592 9552536 9996840 10234860 10472880 10746603 10996524 11258346 11781990 11940670 11996208 12218360 12281832 13134737 13646480 13745655 14328804 14662032 14995260 15011128 15352290 15709320 16494786 16887519 17911005 18327540 18422748 18763910 18851184 19105072 19993680 20469720 21493206 21993048 22516692 23028435 23563980 23881340 24436720 24563664 26269474 27491310 28145865 28657608 29990520 30022256 30704580 31418640 32239809 32989572 33775038 35822010 36655080 36845496 37527820 39404211 40939440 41236965 42986412 43986096 45033384 46056870 47127960 47762680 50662557 52538948 53733015 54982620 56291730 57315216 59981040 61409160 64479618 65673685 65979144 67550076 71644020 73310160 73690992 75055640 78808422 82473930 84437595 85972824 90066768 92113740 94255920 95525360 101325114 105077896 107466030 109965240 112583460 118212633 122818320 128959236 131347370 131958288 135100152 143288040 150111280 157616844 161199045 164947860 168875190 171945648 184227480 197021055 202650228 210155792 214932060 219930480 225166920 236425266 253312785 257918472 262694740 270200304 286576080 315233688 322398090 329895720 337750380 354637899 368454960 394042110 405300456 429864120 450333840 472850532 506625570 515836944 525389480 591063165 630467376 644796180 659791440 675500760 709275798 788084220 810600912 859728240 945701064 1013251140 1050778960 1182126330 1289592360 1351001520 1418551596 1576168440 1773189495 1891402128 2026502280 2364252660 2579184720 2837103192 3152336880 3546378990 4053004560 4728505320 5674206384 7092757980 9457010640 14185515960 28371031920
• Sum of all divisors σ(n): 124700590080
• Sum of proper divisors (its aliquot sum) s(n): 96329558160
• 28371031920 is an abundant number, because the sum of its proper divisors (96329558160) is greater than itself. Its abundance is 67958526240

Bases of 28371031920

• Binary: 11010011011000010111001011101110000₂
• Hexadecimal: 0x69B0B9770
• Base-36: D17DOC0

Squares and roots of 28371031920

• 28371031920 squared (28371031920²) is 804915452205658886400
• 28371031920 cubed (28371031920³) is 22836281987427982670686053888000
• The square root of 28371031920 is 168437.0265707631
• The cube root of 28371031920 is 3049.9429146353

Scales and comparisons

• 28,371,031,920 seconds is equal to 902 years, 5 weeks, 5 days, 10 hours, 12 minutes.
• To count from 1 to 28,371,031,920 would take you about one thousand, eight hundred 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 28371031920 cubic inches would be around 254.2 feet tall.

Recreational maths with 28371031920

• 28371031920 backwards is 02913017382
• 28371031920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28371031920's digits is 36
• More coming soon!