20769139440

Names of 20769139440

• Cardinal: 20769139440 can be written as Twenty billion, seven hundred sixty-nine million, one hundred thirty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.076913944 × 10¹⁰

Factors of 20769139440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 788

Divisors of 20769139440

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 31 35 36 40 42 45 48 56 60 62 63 70 72 80 84 90 93 105 112 120 124 126 140 144 155 168 180 186 210 217 240 248 252 279 280 307 310 315 336 360 372 420 433 434 465 496 504 558 560 614 620 630 651 720 744 840 866 868 921 930 1008 1085 1116 1228 1240 1260 1299 1302 1395 1488 1535 1680 1732 1736 1842 1860 1953 2149 2165 2170 2232 2456 2480 2520 2598 2604 2763 2790 3031 3070 3255 3464 3472 3684 3720 3897 3906 4298 4330 4340 4464 4605 4912 5040 5196 5208 5526 5580 6062 6140 6447 6495 6510 6928 7368 7440 7794 7812 8596 8660 8680 9093 9210 9517 9765 10392 10416 10745 11052 11160 12124 12280 12894 12990 13020 13423 13815 14736 15155 15588 15624 17192 17320 17360 18186 18420 19034 19341 19485 19530 20784 21490 22104 22320 24248 24560 25788 25980 26040 26846 27279 27630 28551 30310 31176 31248 32235 34384 34640 36372 36840 38068 38682 38970 39060 40269 42980 44208 45465 47585 48496 51576 51960 52080 53692 54558 55260 57102 60620 62352 64470 66619 67115 72744 73680 76136 77364 77940 78120 80538 85653 85960 90930 93961 95170 96705 103152 103920 107384 109116 110520 114204 120807 121240 128940 132931 133238 134230 136395 142755 145488 152272 154728 155880 156240 161076 171306 171920 181860 187922 190340 193410 199857 201345 214768 218232 221040 228408 241614 242480 257880 265862 266476 268460 272790 281883 285510 309456 311760 322152 333095 342612 363720 375844 380680 386820 398793 399714 402690 428265 436464 456816 469805 483228 515760 531724 532952 536920 545580 563766 571020 599571 604035 644304 664655 666190 685224 727440 751688 761360 773640 797586 799428 805380 845649 856530 930517 939610 966456 999285 1063448 1065904 1073840 1091160 1127532 1142040 1196379 1199142 1208070 1329310 1332380 1370448 1409415 1503376 1547280 1595172 1598856 1610760 1691298 1713060 1861034 1879220 1932912 1993965 1998570 2126896 2182320 2255064 2284080 2392758 2398284 2416140 2658620 2664760 2791551 2818830 2997855 3190344 3197712 3221520 3382596 3426120 3722068 3758440 3987930 3997140 4120861 4228245 4510128 4652585 4785516 4796568 4832280 5317240 5329520 5583102 5637660 5981895 5995710 6380688 6765192 6852240 7444136 7516880 7975860 7994280 8241722 8374653 8456490 9305170 9571032 9593136 9664560 10634480 11166204 11275320 11963790 11991420 12362583 13530384 13957755 14888272 15951720 15988560 16483444 16749306 16912980 18610340 19142064 20604305 22332408 22550640 23927580 23982840 24725166 27915510 28846027 31903440 32966888 33498612 33825960 37087749 37220680 41208610 41873265 44664816 47855160 47965680 49450332 55831020 57692054 61812915 65933776 66997224 67651920 74175498 74441360 82417220 83746530 86538081 95710320 98900664 111662040 115384108 123625830 133994448 144230135 148350996 164834440 167493060 173076162 185438745 197801328 223324080 230768216 247251660 259614243 288460270 296701992 329668880 334986120 346152324 370877490 432690405 461536432 494503320 519228486 576920540 593403984 669972240 692304648 741754980 865380810 989006640 1038456972 1153841080 1298071215 1384609296 1483509960 1730761620 2076913944 2307682160 2596142430 2967019920 3461523240 4153827888 5192284860 6923046480 10384569720 20769139440
• Sum of all divisors σ(n): 82744037376
• Sum of proper divisors (its aliquot sum) s(n): 61974897936
• 20769139440 is an abundant number, because the sum of its proper divisors (61974897936) is greater than itself. Its abundance is 41205758496

Bases of 20769139440

• Binary: 10011010101111011111110101011110000₂
• Hexadecimal: 0x4D5EFEAF0
• Base-36: 9JHEQK0

Squares and roots of 20769139440

• 20769139440 squared (20769139440²) is 431357153078163513600
• 20769139440 cubed (20769139440³) is 8958916860721803233078736384000
• The square root of 20769139440 is 144115.0215626393
• The cube root of 20769139440 is 2748.7769521145

Scales and comparisons

• 20,769,139,440 seconds is equal to 660 years, 20 weeks, 3 days, 13 hours, 24 minutes.
• To count from 1 to 20,769,139,440 would take you about one thousand, three hundred twenty 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 20769139440 cubic inches would be around 229.1 feet tall.

Recreational maths with 20769139440

• 20769139440 backwards is 04493196702
• 20769139440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20769139440's digits is 45
• More coming soon!