20108491620

Names of 20108491620

• Cardinal: 20108491620 can be written as Twenty billion, one hundred eight million, four hundred ninety-one thousand, six hundred twenty.

Scientific notation

• Scientific notation: 2.010849162 × 10¹⁰

Factors of 20108491620

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 824

Divisors of 20108491620

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 31 35 42 43 49 60 62 70 84 86 93 98 105 124 129 140 147 155 172 186 196 210 215 217 245 258 294 301 310 343 372 420 430 434 465 490 516 588 602 620 645 651 686 733 735 860 868 903 930 980 1029 1085 1204 1290 1302 1333 1372 1466 1470 1505 1519 1715 1806 1860 2058 2107 2170 2199 2580 2604 2666 2932 2940 3010 3038 3255 3430 3612 3665 3999 4116 4214 4340 4398 4515 4557 5131 5145 5332 6020 6076 6321 6510 6665 6860 7330 7595 7998 8428 8796 9030 9114 9331 10262 10290 10535 10633 10995 12642 13020 13330 14660 14749 15190 15393 15996 18060 18228 18662 19995 20524 20580 21070 21266 21990 22723 22785 25284 25655 26660 27993 29498 30380 30786 31519 31605 31899 35917 37324 39990 42140 42532 43980 44247 45446 45570 46655 51310 53165 55986 58996 61572 63038 63210 63798 65317 68169 71834 73745 76965 79980 88494 90892 91140 93310 94557 102620 106330 107751 111972 113615 126076 126420 127596 130634 136338 139965 143668 147490 153930 157595 159061 159495 176988 179585 186620 189114 195951 212660 215502 220633 221235 227230 251419 261268 272676 279930 294980 307860 315190 318122 318990 326585 340845 359170 378228 391902 431004 441266 442470 454460 457219 472785 477183 502838 538755 559860 630380 636244 637980 653170 661899 681690 718340 754257 783804 795305 882532 884940 914438 945570 954366 977089 979755 1005676 1077510 1103165 1113427 1257095 1306340 1323798 1363380 1371657 1508514 1544431 1590610 1828876 1891140 1908732 1954178 1959510 2155020 2206330 2226854 2286095 2385915 2514190 2647596 2743314 2931267 3017028 3088862 3181220 3309495 3340281 3771285 3908356 3919020 4412660 4453708 4572190 4633293 4771830 4885445 5028380 5486628 5567135 5862534 6177724 6618990 6680562 6839623 6858285 7542570 7722155 7793989 9144380 9266586 9543660 9770890 10811017 11134270 11725068 13237980 13361124 13679246 13716570 14656335 15085140 15444310 15587978 16701405 18533172 19541780 20518869 21622034 22268540 23166465 23381967 27358492 27433140 29312670 30888620 31175956 32433051 33402810 34198115 38969945 41037738 43244068 46332930 46763934 47877361 54055085 58625340 64866102 66805620 68396230 77939890 82075476 92665860 93527868 95754722 102594345 108110170 116909835 129732204 136792460 143632083 155879780 162165255 191509444 205188690 216220340 233819670 239386805 287264166 324330510 335141527 410377380 467639340 478773610 574528332 648661020 670283054 718160415 957547220 1005424581 1340566108 1436320830 1675707635 2010849162 2872641660 3351415270 4021698324 5027122905 6702830540 10054245810 20108491620
• Sum of all divisors σ(n): 69449318400
• Sum of proper divisors (its aliquot sum) s(n): 49340826780
• 20108491620 is an abundant number, because the sum of its proper divisors (49340826780) is greater than itself. Its abundance is 29232335160

Bases of 20108491620

• Binary: 10010101110100011110011101101100100₂
• Hexadecimal: 0x4AE8F3B64
• Base-36: 98K2RFO

Squares and roots of 20108491620

• 20108491620 squared (20108491620²) is 404351435231610224400
• 20108491620 cubed (20108491620³) is 8130897446889806956453719528000
• The square root of 20108491620 is 141804.4132599547
• The cube root of 20108491620 is 2719.3169610247

Scales and comparisons

• 20,108,491,620 seconds is equal to 639 years, 20 weeks, 1 day, 4 hours, 7 minutes.
• To count from 1 to 20,108,491,620 would take you about one thousand, two hundred seventy-eight 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 20108491620 cubic inches would be around 226.6 feet tall.

Recreational maths with 20108491620

• 20108491620 backwards is 02619480102
• The number of decimal digits it has is: 11
• The sum of 20108491620's digits is 33
• More coming soon!