20491422840

Names of 20491422840

• Cardinal: 20491422840 can be written as Twenty billion, four hundred ninety-one million, four hundred twenty-two thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.049142284 × 10¹⁰

Factors of 20491422840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5676

Divisors of 20491422840

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 31 35 36 40 42 45 47 56 60 62 63 70 72 84 90 93 94 105 120 124 126 140 141 155 168 180 186 188 210 217 235 248 252 279 280 282 310 315 329 360 372 376 420 423 434 465 470 504 558 564 620 630 651 658 705 744 840 846 868 930 940 987 1085 1116 1128 1240 1260 1302 1316 1395 1410 1457 1645 1692 1736 1860 1880 1953 1974 2115 2170 2232 2520 2604 2632 2790 2820 2914 2961 3255 3290 3384 3720 3906 3948 4230 4340 4371 4935 5208 5580 5581 5640 5828 5922 6510 6580 7285 7812 7896 8460 8680 8742 9765 9870 10199 11160 11162 11656 11844 13020 13113 13160 14570 14805 15624 16743 16920 17484 19530 19740 20398 21855 22324 23688 26040 26226 27905 29140 29610 30597 33486 34968 39060 39067 39480 40796 43710 44648 50229 50995 52452 55810 58280 59220 61194 65565 66972 78120 78134 81592 83715 87420 91791 100458 101990 104904 111620 117201 118440 122388 131130 133944 152985 156268 167430 173011 174840 183582 195335 200916 203980 223240 234402 244776 251145 262260 262307 305970 312536 334860 346022 351603 367164 390670 401832 407960 458955 468804 502290 519033 524520 524614 586005 611940 669720 692044 703206 734328 781340 786921 865055 917910 937608 1004580 1038066 1049228 1172010 1211077 1223880 1311535 1384088 1406412 1557099 1562680 1573842 1730110 1758015 1835820 1836149 2009160 2076132 2098456 2344020 2360763 2422154 2595165 2623070 2812824 3114198 3147684 3460220 3516030 3633231 3671640 3672298 3934605 4152264 4688040 4721526 4844308 5190330 5246140 5508447 6055385 6228396 6295368 6920440 7032060 7266462 7344596 7785495 7869210 8131517 9180745 9443052 9688616 10380660 10492280 10899693 11016894 11803815 12110770 12456792 14064120 14532924 14689192 15570990 15738420 16263034 16525341 18166155 18361490 18886104 20761320 21799386 22033788 23607630 24221540 24394551 27542235 29065848 31141980 31476840 32526068 33050682 36332310 36722980 40657585 43598772 44067576 47215260 48443080 48789102 54498465 55084470 56920619 62283960 65052136 66101364 72664620 73183653 73445960 81315170 82626705 87197544 94430520 97578204 108996930 110168940 113841238 121972755 132202728 145329240 146367306 162630340 165253410 170761857 195156408 217993860 220337880 227682476 243945510 284603095 292734612 325260680 330506820 341523714 365918265 435987720 455364952 487891020 512285571 569206190 585469224 661013640 683047428 731836530 853809285 975782040 1024571142 1138412380 1366094856 1463673060 1707618570 2049142284 2276824760 2561427855 2927346120 3415237140 4098284568 5122855710 6830474280 10245711420 20491422840
• Sum of all divisors σ(n): 80252190720
• Sum of proper divisors (its aliquot sum) s(n): 59760767880
• 20491422840 is an abundant number, because the sum of its proper divisors (59760767880) is greater than itself. Its abundance is 39269345040

Bases of 20491422840

• Binary: 10011000101011000100100110001111000₂
• Hexadecimal: 0x4C5624C78
• Base-36: 9EW2B20

Squares and roots of 20491422840

• 20491422840 squared (20491422840²) is 419898410007673665600
• 20491422840 cubed (20491422840³) is 8604315869310928726542362304000
• The square root of 20491422840 is 143148.2547570873
• The cube root of 20491422840 is 2736.4700863301

Scales and comparisons

• 20,491,422,840 seconds is equal to 651 years, 29 weeks, 2 days, 5 hours, 54 minutes.
• To count from 1 to 20,491,422,840 would take you about one thousand, three hundred three 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 20491422840 cubic inches would be around 228 feet tall.

Recreational maths with 20491422840

• 20491422840 backwards is 04822419402
• 20491422840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20491422840's digits is 36
• More coming soon!