20389177142880

Names of 20389177142880

• Cardinal: 20389177142880 can be written as Twenty trillion, three hundred eighty-nine billion, one hundred seventy-seven million, one hundred forty-two thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 2.038917714288 × 10¹³

Factors of 20389177142880

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 399822

Divisors of 20389177142880

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 32 35 39 40 42 48 52 56 60 65 70 78 80 84 91 96 104 105 112 120 130 140 156 160 168 182 195 208 210 224 240 260 273 280 312 336 364 390 416 420 455 480 520 546 560 624 672 728 780 840 910 1040 1092 1120 1171 1248 1365 1456 1560 1680 1820 2080 2184 2342 2730 2912 3120 3360 3513 3640 4368 4684 5460 5855 6240 7026 7280 8197 8736 9368 10920 11710 14052 14560 15223 16394 17565 18736 21840 23420 24591 28104 30446 32788 35130 37472 40985 43680 45669 46840 49182 56208 60892 65576 70260 76115 81970 91338 93680 98364 106561 112416 121784 122955 131152 140520 152230 163940 182676 187360 196728 213122 228345 243568 245910 262304 281040 304460 319683 327880 365352 393456 398621 426244 456690 487136 491820 532805 562080 608920 639366 655760 730704 786912 797242 852488 913380 983640 1065610 1195863 1217840 1278732 1311520 1461408 1594484 1598415 1704976 1826760 1967280 1993105 2131220 2391726 2435680 2557464 2790347 3188968 3196830 3409952 3653520 3934560 3986210 4262440 4783452 5114928 5182073 5580694 5979315 6377936 6393660 7307040 7972420 8371041 8524880 9566904 10229856 10364146 11161388 11958630 12755872 12787320 13951735 15546219 15944840 16742082 17049760 19133808 20728292 22322776 23917260 25574640 25910365 27903470 31092438 31889680 33484164 36274511 38267616 41456584 41855205 44645552 47834520 51149280 51820730 55806940 62184876 63779360 66968328 72549022 77731095 82913168 83710410 89291104 95669040 103641460 108823533 111613880 124369752 133936656 145098044 155462190 165826336 167420820 181372555 191338080 207282920 217647066 223227760 248739504 267873312 290196088 310924380 334841640 362745110 414565840 435294132 446455520 466785191 497479008 544117665 580392176 621848760 669683280 725490220 829131680 870588264 933570382 1088235330 1160784352 1243697520 1339366560 1400355573 1450980440 1741176528 1867140764 2176470660 2333925955 2487395040 2800711146 2901960880 3267496337 3482353056 3734281528 4352941320 4667851910 5601422292 5803921760 6068207483 6534992674 7001777865 7468563056 8705882640 9335703820 9802489011 11202844584 12136414966 13069985348 14003555730 14937126112 16337481685 17411765280 18204622449 18671407640 19604978022 22405689168 24272829932 26139970696 28007111460 30341037415 32674963370 36409244898 37342815280 39209956044 42477452381 44811378336 48545659864 49012445055 52279941392 56014222920 60682074830 65349926740 72818489796 74685630560 78419912088 84954904762 91023112245 97091319728 98024890110 104559882784 112028445840 121364149660 127432357143 130699853480 145636979592 156839824176 169909809524 182046224490 194182639456 196049780220 212387261905 224056891680 242728299320 254864714286 261399706960 291273959184 313679648352 339819619048 364092448980 392099560440 424774523810 485456598640 509729428572 522799413920 582547918368 637161785715 679639238096 728184897960 784199120880 849549047620 970913197280 1019458857144 1274323571430 1359278476192 1456369795920 1568398241760 1699098095240 2038917714288 2548647142860 2912739591840 3398196190480 4077835428576 5097294285720 6796392380960 10194588571440 20389177142880
• Sum of all divisors σ(n): 79114973930496
• Sum of proper divisors (its aliquot sum) s(n): 58725796787616
• 20389177142880 is an abundant number, because the sum of its proper divisors (58725796787616) is greater than itself. Its abundance is 38336619644736

Bases of 20389177142880

• Binary: 100101000101100111001101010010010111001100000₂
• Hexadecimal: 0x128B39A92E60
• Base-36: 786NPMYQO

Squares and roots of 20389177142880

• 20389177142880 squared (20389177142880²) is 415718544563740239934694400
• 20389177142880 cubed (20389177142880³) is 8476159046690353181318158044377935872000
• The square root of 20389177142880 is 4515437.6468820827
• The cube root of 20389177142880 is 27319.1112286585

Scales and comparisons

• 20,389,177,142,880 seconds is equal to 648,312 years, 39 weeks, 5 days, 13 hours, 28 minutes.
• To count from 1 to 20,389,177,142,880 would take you about one million, six hundred twenty thousand, seven hundred eighty-one 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 20389177142880 cubic inches would be around 2276.6 feet tall.

Recreational maths with 20389177142880

• 20389177142880 backwards is 08824177198302
• 20389177142880 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20389177142880's digits is 60
• More coming soon!