20490771392

Names of 20490771392

• Cardinal: 20490771392 can be written as Twenty billion, four hundred ninety million, seven hundred seventy-one thousand, three hundred ninety-two.

Scientific notation

• Scientific notation: 2.0490771392 × 10¹⁰

Factors of 20490771392

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 86

Divisors of 20490771392

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 4 7 8 13 14 16 23 26 28 32 41 46 49 52 56 64 82 91 92 98 104 112 161 164 169 182 184 196 208 224 287 299 322 328 338 364 368 392 416 448 533 574 598 637 644 656 676 728 736 784 832 943 1066 1127 1148 1183 1196 1274 1288 1312 1352 1456 1472 1568 1681 1886 2009 2093 2132 2254 2296 2366 2392 2548 2576 2624 2704 2912 3136 3362 3731 3772 3887 4018 4186 4264 4508 4592 4732 4784 5096 5152 5408 5824 6601 6724 6929 7462 7544 7774 8036 8281 8372 8528 9016 9184 9464 9568 10192 10304 10816 11767 12259 13202 13448 13858 14651 14924 15088 15548 16072 16562 16744 17056 18032 18368 18928 19136 20384 21853 23534 24518 26117 26404 26896 27209 27716 29302 29848 30176 31096 32144 33124 33488 34112 36064 37856 38663 40768 43706 46207 47068 48503 49036 52234 52808 53792 54418 55432 58604 59696 60352 62192 64288 66248 66976 72128 75712 77326 82369 85813 87412 92414 94136 97006 98072 104468 105616 107584 108836 110864 117208 119392 124384 128576 132496 133952 152971 154652 159367 164738 171626 174824 184828 188272 190463 194012 196144 208936 211232 217672 221728 234416 238784 248768 264992 270641 284089 305942 309304 318734 329476 339521 343252 349648 369656 376544 380926 388024 392288 417872 422464 435344 443456 468832 502619 529984 541282 568178 600691 611884 618608 637468 658952 679042 686504 699296 739312 753088 761852 776048 784576 835744 870688 937664 1005238 1070797 1082564 1115569 1136356 1201382 1223768 1237216 1274936 1317904 1358084 1373008 1398592 1478624 1523704 1552096 1671488 1741376 1894487 1988623 2010476 2141594 2165128 2231138 2272712 2402764 2447536 2474432 2549872 2635808 2716168 2746016 2957248 3047408 3104192 3518333 3788974 3977246 4020952 4283188 4330256 4462276 4545424 4805528 4895072 5099744 5271616 5432336 5492032 6094816 6534047 7036666 7577948 7808983 7954492 8041904 8566376 8660512 8924552 9090848 9611056 9790144 10199488 10864672 12189632 13068094 13920361 14073332 15155896 15617966 15908984 16083808 17132752 17321024 17849104 18181696 19222112 21729344 24628331 26136188 27840722 28146664 30311792 31235932 31817968 32167616 34265504 35698208 38444224 45738329 49256662 52272376 55681444 56293328 60623584 62471864 63635936 68531008 71396416 91476658 98513324 104544752 111362888 112586656 121247168 124943728 127271872 182953316 197026648 209089504 222725776 225173312 249887456 320168303 365906632 394053296 418179008 445451552 499774912 640336606 731813264 788106592 890903104 1280673212 1463626528 1576213184 2561346424 2927253056 5122692848 10245385696 20490771392
• Sum of all divisors σ(n): 54780524424
• Sum of proper divisors (its aliquot sum) s(n): 34289753032
• 20490771392 is an abundant number, because the sum of its proper divisors (34289753032) is greater than itself. Its abundance is 13798981640

Bases of 20490771392

• Binary: 10011000101010110000101101111000000₂
• Hexadecimal: 0x4C5585BC0
• Base-36: 9EVOCE8

Squares and roots of 20490771392

• 20490771392 squared (20490771392²) is 419871712239205617664
• 20490771392 cubed (20490771392³) is 8603495269461170731235181068288
• The square root of 20490771392 is 143145.9793078381
• The cube root of 20490771392 is 2736.4410874189

Scales and comparisons

• 20,490,771,392 seconds is equal to 651 years, 28 weeks, 1 day, 16 hours, 56 minutes, 32 seconds.
• To count from 1 to 20,490,771,392 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 20490771392 cubic inches would be around 228 feet tall.

Recreational maths with 20490771392

• 20490771392 backwards is 29317709402
• The number of decimal digits it has is: 11
• The sum of 20490771392's digits is 44
• More coming soon!