20749807980

Names of 20749807980

• Cardinal: 20749807980 can be written as Twenty billion, seven hundred forty-nine million, eight hundred seven thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 2.074980798 × 10¹⁰

Factors of 20749807980

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 800

Divisors of 20749807980

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 17 18 20 22 29 30 33 34 36 44 45 51 55 58 60 66 68 85 87 90 99 102 110 116 132 145 153 165 170 174 180 187 198 204 220 255 261 290 306 319 330 340 348 374 396 435 493 495 510 522 561 580 612 638 660 733 748 765 841 870 935 957 986 990 1020 1044 1122 1276 1305 1466 1479 1530 1595 1682 1683 1740 1870 1914 1972 1980 2199 2244 2465 2523 2610 2805 2871 2932 2958 3060 3190 3364 3366 3665 3740 3828 4205 4398 4437 4785 4930 5046 5220 5423 5610 5742 5916 6380 6597 6732 7330 7395 7569 8063 8410 8415 8796 8874 9251 9570 9860 10092 10846 10995 11220 11484 12461 12615 13194 14297 14355 14660 14790 15138 16126 16269 16820 16830 17748 18502 19140 21257 21692 21990 22185 24189 24922 25230 26388 27115 27753 28594 28710 29580 30276 32252 32538 32985 33660 37004 37383 37845 40315 42514 42891 43980 44370 46255 48378 48807 49844 50460 54230 55506 57188 57420 62305 63771 65076 65970 71485 72567 74766 75690 80630 81345 83259 85028 85782 88740 92510 96756 97614 106285 108460 111012 112149 120945 124610 127542 128673 131940 137071 138765 142970 145134 149532 151380 157267 161260 162690 166518 171564 185020 186915 191313 195228 212570 214455 224298 233827 241890 244035 249220 255084 257346 274142 277530 285940 290268 314534 318855 325380 333036 361369 362835 373830 382626 411213 416295 425140 428910 448596 467654 471801 483780 488070 514692 548284 555060 560745 616453 629068 637710 643365 685355 701481 722738 725670 747660 765252 786335 822426 832590 857820 935308 943602 956565 976140 1084107 1121490 1169135 1232906 1233639 1275420 1286730 1370710 1402962 1415403 1445476 1451340 1572670 1644852 1665180 1806845 1849359 1887204 1913130 2056065 2104443 2168214 2242980 2338270 2359005 2465812 2467278 2573460 2741420 2805924 2830806 3082265 3145340 3252321 3507405 3613690 3698718 3826260 3975059 4112130 4208886 4336428 4676540 4718010 4934556 5420535 5548077 5661612 6164530 6168195 6504642 6780983 7014810 7077015 7227380 7397436 7950118 8224260 8417772 9246795 9436020 10479701 10522215 10841070 11096154 11925177 12329060 12336390 13009284 13561966 14029620 14154030 15900236 16261605 18493590 19875295 20342949 20959402 21044430 21682140 22192308 23850354 24672780 27123932 27740385 28308060 31439103 32523210 33904915 35775531 36987180 39750590 40685898 41918804 42088860 47700708 52398505 55480770 59625885 61028847 62878206 65046420 67809830 71551062 79501180 81371796 94317309 101714745 104797010 110961540 115276711 119251770 122057694 125756412 135619660 143102124 157195515 178877655 188634618 203429490 209594020 230553422 238503540 244115388 305144235 314391030 345830133 357755310 377269236 406858980 461106844 471586545 576383555 610288470 628782060 691660266 715510620 943173090 1037490399 1152767110 1220576940 1383320532 1729150665 1886346180 2074980798 2305534220 3458301330 4149961596 5187451995 6916602660 10374903990 20749807980
• Sum of all divisors σ(n): 75398135904
• Sum of proper divisors (its aliquot sum) s(n): 54648327924
• 20749807980 is an abundant number, because the sum of its proper divisors (54648327924) is greater than itself. Its abundance is 33898519944

Bases of 20749807980

• Binary: 10011010100110010001111000101101100₂
• Hexadecimal: 0x4D4C8F16C
• Base-36: 9J5WEB0

Squares and roots of 20749807980

• 20749807980 squared (20749807980²) is 430554531206871680400
• 20749807980 cubed (20749807980³) is 8933923847461505024799929592000
• The square root of 20749807980 is 144047.9363961873
• The cube root of 20749807980 is 2747.9238535881

Scales and comparisons

• 20,749,807,980 seconds is equal to 659 years, 40 weeks, 3 days, 19 hours, 33 minutes.
• To count from 1 to 20,749,807,980 would take you about one thousand, three hundred nineteen 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 20749807980 cubic inches would be around 229 feet tall.

Recreational maths with 20749807980

• 20749807980 backwards is 08970894702
• The number of decimal digits it has is: 11
• The sum of 20749807980's digits is 54
• More coming soon!