20388996240

Names of 20388996240

• Cardinal: 20388996240 can be written as Twenty billion, three hundred eighty-eight million, nine hundred ninety-six thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.038899624 × 10¹⁰

Factors of 20388996240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 167

Divisors of 20388996240

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 34 40 48 51 60 61 68 79 80 85 102 120 122 136 158 170 183 204 237 240 244 255 272 289 305 316 340 366 395 408 474 488 510 578 610 632 680 732 790 816 867 915 948 976 1020 1037 1156 1185 1220 1264 1343 1360 1445 1464 1580 1734 1830 1896 2040 2074 2312 2370 2440 2686 2890 2928 3111 3160 3468 3660 3721 3792 4029 4080 4148 4335 4624 4740 4819 4880 5185 5372 5780 6222 6320 6715 6936 7320 7442 8058 8296 8670 9480 9638 10370 10744 11163 11560 12444 13430 13872 14457 14640 14884 15555 16116 16592 17340 17629 18605 18960 19276 20145 20740 21488 22326 22831 23120 24095 24888 26860 28914 29768 31110 32232 34680 35258 37210 38552 40290 41480 44652 45662 48190 49776 52887 53720 55815 57828 59536 62220 63257 64464 68493 69360 70516 72285 74420 77104 80580 81923 82960 88145 89304 91324 96380 105774 107440 111630 114155 115656 124440 126514 136986 141032 144570 148840 161160 163846 176290 178608 182648 189771 192760 211548 223260 228310 231312 245769 248880 253028 264435 273972 282064 289140 293959 297680 316285 322320 327692 342465 352580 365296 379542 385520 409615 423096 446520 456620 491538 506056 528870 547944 578280 587918 632570 655384 684930 705160 759084 819230 846192 881877 893040 913240 948855 983076 1012112 1057740 1075369 1095888 1156560 1175836 1228845 1265140 1310768 1369860 1392691 1410320 1469795 1518168 1638460 1763754 1826480 1897710 1966152 2115480 2150738 2351672 2457690 2530280 2739720 2785382 2939590 3036336 3226107 3276920 3527508 3795420 3932304 4178073 4230960 4301476 4409385 4703344 4915380 4997303 5060560 5376845 5479440 5570764 5879180 6452214 6553840 6963455 7055016 7590840 8356146 8602952 8818770 9830760 9994606 10753690 11141528 11758360 12904428 13926910 14110032 14991909 15181680 16130535 16712292 17205904 17637540 19661520 19989212 20890365 21507380 22283056 23516720 24986515 25808856 27853820 29983818 32261070 33424584 35275080 39978424 41780730 43014760 49973030 51617712 55707640 59967636 64522140 66849168 70550160 74959545 79956848 83561460 84954151 86029520 99946060 111415280 119935272 129044280 149919090 167122920 169908302 199892120 239870544 254862453 258088560 299838180 334245840 339816604 399784240 424770755 509724906 599676360 679633208 849541510 1019449812 1199352720 1274312265 1359266416 1699083020 2038899624 2548624530 3398166040 4077799248 5097249060 6796332080 10194498120 20388996240
• Sum of all divisors σ(n): 69125397120
• Sum of proper divisors (its aliquot sum) s(n): 48736400880
• 20388996240 is an abundant number, because the sum of its proper divisors (48736400880) is greater than itself. Its abundance is 28347404640

Bases of 20388996240

• Binary: 10010111111010001110110010010010000₂
• Hexadecimal: 0x4BF476490
• Base-36: 9D72Y6O

Squares and roots of 20388996240

• 20388996240 squared (20388996240²) is 415711167674734137600
• 20388996240 cubed (20388996240³) is 8475933434646163874526042624000
• The square root of 20388996240 is 142790.0425099733
• The cube root of 20388996240 is 2731.9030432191

Scales and comparisons

• 20,388,996,240 seconds is equal to 648 years, 15 weeks, 6 days, 18 hours, 4 minutes.
• To count from 1 to 20,388,996,240 would take you about one thousand, two hundred ninety-six 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 20388996240 cubic inches would be around 227.7 feet tall.

Recreational maths with 20388996240

• 20388996240 backwards is 04269988302
• 20388996240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20388996240's digits is 51
• More coming soon!