20729511936

Names of 20729511936

• Cardinal: 20729511936 can be written as Twenty billion, seven hundred twenty-nine million, five hundred eleven thousand, nine hundred thirty-six.

Scientific notation

• Scientific notation: 2.0729511936 × 10¹⁰

Factors of 20729511936

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 182

Divisors of 20729511936

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 28 32 36 38 42 48 49 56 57 63 64 72 76 84 96 98 112 114 126 128 133 144 147 151 152 168 171 192 196 224 228 252 256 266 288 294 302 304 336 342 384 392 399 441 448 453 456 504 512 532 576 588 604 608 672 684 768 784 798 882 896 906 912 931 1008 1024 1057 1064 1152 1176 1197 1208 1216 1344 1359 1368 1536 1568 1596 1764 1792 1812 1824 1862 2016 2048 2114 2128 2304 2352 2394 2416 2432 2688 2718 2736 2793 2869 3072 3136 3171 3192 3528 3584 3624 3648 3724 4032 4096 4228 4256 4608 4704 4788 4832 4864 5376 5436 5472 5586 5738 6144 6272 6342 6384 7056 7168 7248 7296 7399 7448 8064 8192 8379 8456 8512 8607 9216 9408 9513 9576 9664 9728 10752 10872 10944 11172 11476 12288 12544 12684 12768 14112 14336 14496 14592 14798 14896 16128 16384 16758 16912 17024 17214 18432 18816 19026 19152 19328 19456 20083 21504 21744 21888 22197 22344 22952 24576 25088 25368 25536 25821 28224 28672 28992 29184 29596 29792 32256 33516 33824 34048 34428 36864 37632 38052 38304 38656 38912 40166 43008 43488 43776 44394 44688 45904 49152 50176 50736 51072 51642 56448 57344 57984 58368 59192 59584 60249 64512 66591 67032 67648 68096 68856 73728 75264 76104 76608 77312 77824 80332 86016 86976 87552 88788 89376 91808 100352 101472 102144 103284 112896 114688 115968 116736 118384 119168 120498 129024 133182 134064 135296 136192 137712 140581 147456 150528 152208 153216 154624 155648 160664 172032 173952 175104 177576 178752 180747 183616 200704 202944 204288 206568 225792 231936 233472 236768 238336 240996 258048 266364 268128 270592 272384 275424 281162 301056 304416 306432 309248 311296 321328 344064 347904 350208 355152 357504 361494 367232 401408 405888 408576 413136 421743 451584 463872 466944 473536 476672 481992 516096 532728 536256 541184 544768 550848 562324 602112 608832 612864 618496 642656 695808 700416 710304 715008 722988 734464 802816 811776 817152 826272 843486 903168 927744 933888 947072 953344 963984 1032192 1065456 1072512 1082368 1089536 1101696 1124648 1204224 1217664 1225728 1236992 1265229 1285312 1391616 1400832 1420608 1430016 1445976 1468928 1623552 1634304 1652544 1686972 1806336 1855488 1894144 1906688 1927968 2130912 2145024 2164736 2179072 2203392 2249296 2408448 2435328 2451456 2473984 2530458 2570624 2783232 2801664 2841216 2860032 2891952 2937856 3247104 3268608 3305088 3373944 3612672 3710976 3788288 3813376 3855936 4261824 4290048 4329472 4406784 4498592 4870656 4902912 5060916 5141248 5566464 5682432 5720064 5783904 5875712 6494208 6537216 6610176 6747888 7225344 7421952 7576576 7626752 7711872 8523648 8580096 8658944 8813568 8997184 9741312 9805824 10121832 10282496 11132928 11364864 11440128 11567808 11751424 12988416 13220352 13495776 15153152 15253504 15423744 17047296 17160192 17317888 17627136 17994368 19482624 19611648 20243664 20564992 22265856 22729728 22880256 23135616 23502848 25976832 26440704 26991552 30306304 30847488 34094592 34320384 35254272 35988736 38965248 40487328 41129984 45459456 45760512 46271232 47005696 51953664 52881408 53983104 60612608 61694976 68189184 68640768 70508544 71977472 77930496 80974656 82259968 90918912 92542464 105762816 107966208 121225216 123389952 136378368 137281536 141017088 143954944 155860992 161949312 164519936 181837824 185084928 211525632 215932416 246779904 272756736 287909888 323898624 329039872 363675648 370169856 423051264 431864832 493559808 545513472 575819776 647797248 740339712 863729664 987119616 1091026944 1151639552 1295594496 1480679424 1727459328 2303279104 2591188992 2961358848 3454918656 5182377984 6909837312 10364755968 20729511936
• Sum of all divisors σ(n): 73812254880
• Sum of proper divisors (its aliquot sum) s(n): 53082742944
• 20729511936 is an abundant number, because the sum of its proper divisors (53082742944) is greater than itself. Its abundance is 32353231008

Bases of 20729511936

• Binary: 10011010011100100110100000000000000₂
• Hexadecimal: 0x4D3934000
• Base-36: 9ITTDS0

Squares and roots of 20729511936

• 20729511936 squared (20729511936²) is 429712665104766468096
• 20729511936 cubed (20729511936³) is 8907733820339627190888595193856
• The square root of 20729511936 is 143977.4702375341
• The cube root of 20729511936 is 2747.0276175443

Scales and comparisons

• 20,729,511,936 seconds is equal to 659 years, 6 weeks, 6 days, 21 hours, 45 minutes, 36 seconds.
• To count from 1 to 20,729,511,936 would take you about one thousand, three hundred eighteen 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 20729511936 cubic inches would be around 228.9 feet tall.

Recreational maths with 20729511936

• 20729511936 backwards is 63911592702
• The number of decimal digits it has is: 11
• The sum of 20729511936's digits is 45
• More coming soon!