20389288920

Names of 20389288920

• Cardinal: 20389288920 can be written as Twenty billion, three hundred eighty-nine million, two hundred eighty-eight thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.038928892 × 10¹⁰

Factors of 20389288920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1228

Divisors of 20389288920

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 13 14 15 20 21 22 24 26 28 30 33 35 39 40 42 44 52 55 56 60 65 66 70 77 78 84 88 91 104 105 110 120 121 130 132 140 143 154 156 165 168 169 182 195 210 220 231 242 260 264 273 280 286 308 312 330 338 363 364 385 390 420 429 440 455 462 484 507 520 546 572 605 616 660 676 715 726 728 770 780 840 845 847 858 910 924 968 1001 1014 1092 1144 1155 1183 1187 1210 1320 1352 1365 1430 1452 1540 1560 1573 1690 1694 1716 1815 1820 1848 1859 2002 2028 2145 2184 2310 2366 2374 2420 2535 2541 2730 2860 2904 3003 3080 3146 3380 3388 3432 3549 3561 3630 3640 3718 4004 4056 4235 4290 4620 4719 4732 4748 4840 5005 5070 5082 5460 5577 5720 5915 5935 6006 6292 6760 6776 7098 7122 7260 7436 7865 8008 8309 8470 8580 9240 9295 9438 9464 9496 10010 10140 10164 10920 11011 11154 11830 11870 12012 12584 12705 13013 13057 14196 14244 14520 14872 15015 15431 15730 16618 16940 17160 17745 17805 18590 18876 20020 20280 20328 20449 22022 22308 23595 23660 23740 24024 24927 25410 26026 26114 27885 28392 28488 30030 30862 31460 33033 33236 33880 35490 35610 37180 37752 39039 39171 40040 40898 41545 44044 44616 46293 47190 47320 47480 49854 50820 52052 52228 55055 55770 60060 61347 61724 62920 65065 65285 66066 66472 70980 71220 74360 77155 78078 78342 81796 83090 88088 91399 92586 94380 99708 101640 102245 104104 104456 108017 110110 111540 120120 122694 123448 124635 130130 130570 132132 141960 142440 143143 143627 154310 156156 156684 163592 165165 166180 169741 182798 185172 188760 195195 195855 199416 200603 204490 216034 220220 223080 231465 245388 249270 260260 261140 264264 274197 286286 287254 306735 308620 312312 313368 324051 330330 332360 339482 365596 370344 390390 391710 401206 408980 429429 430881 432068 440440 456995 462930 490776 498540 509223 520520 522280 540085 548394 572572 574508 601809 613470 617240 648102 660660 678964 715715 718135 731192 780780 783420 802412 817960 848705 858858 861762 864136 913990 925860 997080 1003015 1005389 1018446 1080170 1096788 1145144 1149016 1188187 1203618 1226940 1296204 1321320 1357928 1370985 1404221 1431430 1436270 1561560 1566840 1604824 1620255 1697410 1717716 1723524 1827980 1851720 1867151 2006030 2010778 2036892 2147145 2154405 2160340 2193576 2206633 2376374 2407236 2453880 2546115 2592408 2741970 2808442 2862860 2872540 3009045 3016167 3240510 3394820 3435432 3447048 3564561 3655960 3734302 4012060 4021556 4073784 4212663 4294290 4308810 4320680 4413266 4752748 4814472 5026945 5092230 5483940 5601453 5616884 5725720 5745080 5940935 6018090 6032334 6481020 6619899 6789640 7021105 7129122 7468604 8024120 8043112 8425326 8588580 8617620 8826532 9335755 9505496 10053890 10184460 10967880 11033165 11202906 11233768 11881870 12036180 12064668 12962040 13070057 13239798 14042210 14258244 14937208 15080835 15446431 16850652 17177160 17235240 17653064 17822805 18671510 20107780 20368920 21063315 22066330 22405812 23763740 24072360 24129336 24272963 26140114 26479596 28007265 28084420 28516488 30161670 30892862 33099495 33701304 35645610 37343020 39210171 40215560 42126630 44132660 44811624 46339293 47527480 48545926 52280228 52959192 56014530 56168840 60323340 61785724 65350285 66198990 71291220 72818889 74686040 77232155 78420342 84253260 88265320 92678586 97091852 104560456 112029060 120646680 121364815 123571448 130700570 132397980 142582440 145637778 154464310 156840684 168506520 169910741 185357172 194183704 196050855 224058120 231696465 242729630 261401140 264795960 291275556 308928620 313681368 339821482 364094445 370714344 392101710 463392930 485459260 509732223 522802280 582551112 617857240 679642964 728188890 784203420 849553705 926785860 970918520 1019464446 1359285928 1456377780 1568406840 1699107410 1853571720 2038928892 2548661115 2912755560 3398214820 4077857784 5097322230 6796429640 10194644460 20389288920
• Sum of all divisors σ(n): 83274428160
• Sum of proper divisors (its aliquot sum) s(n): 62885139240
• 20389288920 is an abundant number, because the sum of its proper divisors (62885139240) is greater than itself. Its abundance is 42495850320

Bases of 20389288920

• Binary: 10010111111010010111101101111011000₂
• Hexadecimal: 0x4BF4BDBD8
• Base-36: 9D7980O

Squares and roots of 20389288920

• 20389288920 squared (20389288920²) is 415723102663234766400
• 20389288920 cubed (20389288920³) is 8476298450919515113918308288000
• The square root of 20389288920 is 142791.0673676753
• The cube root of 20389288920 is 2731.9161151321

Scales and comparisons

• 20,389,288,920 seconds is equal to 648 years, 16 weeks, 3 days, 3 hours, 22 minutes.
• To count from 1 to 20,389,288,920 would take you about one thousand, two hundred ninety-six 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 20389288920 cubic inches would be around 227.7 feet tall.

Recreational maths with 20389288920

• 20389288920 backwards is 02988298302
• The number of decimal digits it has is: 11
• The sum of 20389288920's digits is 51
• More coming soon!