20387628720

Names of 20387628720

• Cardinal: 20387628720 can be written as Twenty billion, three hundred eighty-seven million, six hundred twenty-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.038762872 × 10¹⁰

Factors of 20387628720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 204

Divisors of 20387628720

• Number of divisors d(n): 800
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 27 29 30 36 40 45 46 48 53 54 58 60 69 72 80 81 87 89 90 92 106 108 115 116 120 135 138 144 145 159 162 174 178 180 184 207 212 216 230 232 240 261 265 267 270 276 290 318 324 345 348 356 360 368 405 414 424 432 435 445 460 464 477 522 530 534 540 552 580 621 636 648 667 690 696 712 720 783 795 801 810 828 848 870 890 920 954 1035 1044 1060 1068 1080 1104 1160 1219 1242 1272 1296 1305 1334 1335 1380 1392 1424 1431 1537 1566 1590 1602 1620 1656 1740 1780 1840 1863 1908 2001 2047 2070 2088 2120 2136 2160 2320 2349 2385 2403 2438 2484 2544 2581 2610 2668 2670 2760 2862 3074 3105 3132 3180 3204 3240 3312 3335 3480 3560 3657 3726 3816 3915 4002 4005 4094 4140 4176 4240 4272 4293 4611 4698 4717 4770 4806 4876 4968 5162 5220 5336 5340 5520 5724 6003 6095 6141 6148 6210 6264 6360 6408 6480 6670 6960 7120 7155 7209 7314 7452 7632 7685 7743 7830 8004 8010 8188 8280 8586 9222 9315 9396 9434 9540 9612 9752 9936 10005 10235 10324 10440 10672 10680 10971 11448 11745 12006 12015 12190 12282 12296 12420 12528 12720 12816 12905 13340 13833 14151 14310 14418 14628 14904 15370 15486 15660 16008 16020 16376 16560 17172 18009 18285 18423 18444 18630 18792 18868 19080 19224 19504 20010 20470 20648 20880 21360 21465 21942 22896 23055 23229 23490 23585 24012 24030 24380 24564 24592 24840 25810 26680 27666 28302 28620 28836 29256 29808 30015 30705 30740 30972 31320 32016 32040 32752 32913 34344 35351 36018 36045 36570 36846 36888 37260 37584 37736 38160 38448 38715 40020 40940 41296 41499 42453 42930 43884 46110 46458 46980 47170 48024 48060 48760 49128 49680 51620 53360 54027 54855 55269 55332 56604 57240 57672 58512 59363 60030 61410 61480 61944 62640 64080 65826 68688 69165 69687 70702 70755 72036 72090 73140 73692 73776 74520 75472 77430 80040 81880 82998 84906 85860 87768 90045 92115 92220 92916 93960 94340 96048 96120 97520 98256 98739 103240 106053 108054 108491 109710 110538 110664 113208 114480 115344 116145 118726 120060 122820 122960 123888 124497 127359 131652 136793 138330 139374 141404 141510 144072 144180 146280 147384 149040 154860 160080 163760 164565 165807 165996 169812 171720 175536 176755 178089 180090 184230 184440 185832 187920 188680 192240 197478 206480 207495 209061 212106 212265 216108 216982 219420 221076 221328 226416 232290 237452 240120 245640 248994 254718 263304 270135 273586 276345 276660 278748 282808 283020 288144 288360 292560 294768 296815 309720 318159 325473 329130 331614 331992 339624 343440 348435 353510 356178 360180 368460 368880 371664 377360 382077 394956 410379 414990 418122 424212 424530 432216 433964 438840 442152 464580 474904 480240 491280 493695 497988 509436 526608 530265 534267 540270 542455 547172 552690 553320 557496 565616 566040 576720 593630 619440 622485 636318 636795 650946 658260 663228 663984 679248 683965 696870 707020 712356 720360 736920 764154 789912 820758 829035 829980 836244 848424 849060 864432 867928 877680 884304 890445 929160 949808 954477 976419 987390 995976 1018872 1045305 1060530 1068534 1080540 1084910 1094344 1105380 1106640 1114992 1132080 1187260 1231137 1244970 1272636 1273590 1301892 1316520 1326456 1367930 1393740 1414040 1424712 1440720 1473840 1528308 1579824 1590795 1602801 1627365 1641516 1658070 1659960 1672488 1696848 1698120 1735856 1780890 1858320 1908954 1910385 1952838 1974780 1991952 2037744 2051895 2090610 2121060 2137068 2161080 2169820 2188688 2210760 2374520 2462274 2489940 2545272 2547180 2603784 2633040 2652912 2671335 2735860 2787480 2828080 2849424 2863431 2929257 3056616 3146239 3181590 3205602 3254730 3283032 3316140 3319920 3344976 3396240 3561780 3693411 3817908 3820770 3905676 3949560 4103790 4181220 4242120 4274136 4322160 4339640 4421520 4749040 4772385 4808403 4882095 4924548 4979880 5090544 5094360 5207568 5342670 5471720 5574960 5726862 5858514 6113232 6155685 6292478 6363180 6411204 6509460 6566064 6632280 7123560 7386822 7635816 7641540 7811352 7899120 8014005 8207580 8362440 8484240 8548272 8679280 8787771 9438717 9544770 9616806 9764190 9849096 9959760 10188720 10685340 10943440 11080233 11453724 11717028 12311370 12584956 12726360 12822408 13018920 13264560 14247120 14317155 14646285 14773644 15271632 15283080 15622704 15731195 16028010 16415160 16724880 17575542 18467055 18877434 19089540 19233612 19528380 19698192 21370680 22160466 22907448 23434056 24042015 24622740 25169912 25452720 25644816 26037840 28316151 28634310 29292570 29547288 30566160 31462390 32056020 32830320 35151084 36934110 37754868 38179080 38467224 39056760 42741360 43938855 44320932 45814896 46868112 47193585 48084030 49245480 50339824 55401165 56632302 57268620 58585140 59094576 62924780 64112040 70302168 73868220 75509736 76358160 76934448 78113520 84948453 87877710 88641864 94387170 96168060 98490960 110802330 113264604 114537240 117170280 125849560 128224080 140604336 141580755 147736440 151019472 169896906 175755420 177283728 188774340 192336120 221604660 226529208 229074480 234340560 251699120 254845359 283161510 295472880 339793812 351510840 377548680 384672240 424742265 443209320 453058416 509690718 566323020 679587624 703021680 755097360 849484530 886418640 1019381436 1132646040 1274226795 1359175248 1698969060 2038762872 2265292080 2548453590 3397938120 4077525744 5096907180 6795876240 10193814360 20387628720
• Sum of all divisors σ(n): 78752995200
• Sum of proper divisors (its aliquot sum) s(n): 58365366480
• 20387628720 is an abundant number, because the sum of its proper divisors (58365366480) is greater than itself. Its abundance is 37977737760

Bases of 20387628720

• Binary: 10010111111001100101000011010110000₂
• Hexadecimal: 0x4BF3286B0
• Base-36: 9D69N00

Squares and roots of 20387628720

• 20387628720 squared (20387628720²) is 415655404824568838400
• 20387628720 cubed (20387628720³) is 8474228069024606211380878848000
• The square root of 20387628720 is 142785.2538604741
• The cube root of 20387628720 is 2731.8419642667

Scales and comparisons

• 20,387,628,720 seconds is equal to 648 years, 13 weeks, 4 days, 22 hours, 12 minutes.
• To count from 1 to 20,387,628,720 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 20387628720 cubic inches would be around 227.7 feet tall.

Recreational maths with 20387628720

• 20387628720 backwards is 02782678302
• 20387628720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20387628720's digits is 45
• More coming soon!