20757387420

Names of 20757387420

• Cardinal: 20757387420 can be written as Twenty billion, seven hundred fifty-seven million, three hundred eighty-seven thousand, four hundred twenty.

Scientific notation

• Scientific notation: 2.075738742 × 10¹⁰

Factors of 20757387420

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1301

Divisors of 20757387420

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 14 15 18 20 21 22 28 29 30 33 35 36 42 43 44 45 55 58 60 63 66 70 77 84 86 87 90 99 105 110 116 126 129 132 140 145 154 165 172 174 180 198 203 210 215 220 231 252 258 261 290 301 308 315 319 330 348 385 387 396 406 420 430 435 462 473 495 516 522 580 602 609 630 638 645 660 693 770 774 812 860 870 903 924 946 957 990 1015 1044 1155 1201 1204 1218 1247 1260 1276 1290 1305 1386 1419 1505 1540 1548 1595 1740 1806 1827 1892 1914 1935 1980 2030 2233 2310 2365 2402 2436 2494 2580 2610 2709 2772 2838 2871 3010 3045 3190 3311 3465 3603 3612 3654 3741 3828 3870 4060 4257 4466 4515 4620 4730 4785 4804 4988 5220 5418 5676 5742 6005 6020 6090 6235 6380 6622 6699 6930 7095 7206 7308 7482 7740 8407 8514 8729 8932 9030 9135 9460 9570 9933 10809 10836 11165 11223 11484 12010 12180 12470 13211 13244 13398 13545 13717 13860 14190 14355 14412 14964 16555 16814 17028 17458 18015 18060 18270 18705 19140 19866 20097 21285 21618 22330 22446 24020 24940 25221 26187 26422 26796 27090 27434 28380 28710 29799 33110 33495 33628 34829 34916 36030 36540 37410 39633 39732 40194 41151 42035 42570 43236 43645 44660 44892 49665 50442 51643 52374 52844 54045 54180 54868 56115 57420 59598 66055 66220 66990 68585 69658 72060 74820 75663 78561 79266 80388 82302 84070 85140 87290 92477 96019 99330 100485 100884 103286 104487 104748 108090 112230 118899 119196 123453 126105 130935 132110 133980 137170 139316 148995 151326 154929 157122 158532 164604 168140 174145 174580 184954 192038 198165 198660 200970 205755 206572 208974 216180 224460 237798 243803 246906 252210 258215 261870 264220 274340 277431 288057 297990 302652 309858 313461 314244 348290 361501 369908 378315 383119 384076 392805 396330 401940 411510 417948 462385 464787 475596 480095 487606 493812 504420 516430 522435 523740 554862 568073 576114 594495 595980 617265 619716 626922 696580 723002 731409 756630 766238 774645 785610 792660 823020 832293 864171 924770 929574 960190 975212 1032860 1044870 1084503 1109724 1136146 1149357 1152228 1188990 1219015 1234530 1253844 1387155 1440285 1446004 1462818 1497647 1513260 1532476 1549290 1567305 1571220 1664586 1704219 1728342 1807505 1849540 1859148 1915595 1920380 2089740 2169006 2194227 2272292 2298714 2323935 2377980 2438030 2469060 2681833 2774310 2840365 2880570 2925636 2995294 3098580 3134610 3253509 3329172 3408438 3448071 3456684 3615010 3657045 3831190 3976511 4161465 4320855 4338012 4388454 4492941 4597428 4647870 4876060 5112657 5363666 5422515 5548620 5680730 5746785 5761140 5990588 6269220 6507018 6816876 6896142 7230020 7314090 7488235 7662380 7953022 8045499 8322930 8521095 8641710 8776908 8985882 9295740 10225314 10483529 10727332 10845030 10971135 11361460 11493570 11929533 13014036 13409165 13478823 13792284 14628180 14976470 15906044 16090998 16267545 16474117 16645860 17042190 17240355 17283420 17971764 19882555 20450628 20967058 21690060 21942270 22464705 22987140 23859066 24136497 25563285 26818330 26957646 29952940 31450587 32181996 32535090 32948234 34084380 34480710 35788599 39765110 40227495 41934116 43884540 44929410 47718132 48272994 49422351 51126570 52417645 53636660 53915292 59647665 62901174 65070180 65896468 67394115 68961420 71577198 79530220 80454990 82370585 89858820 94351761 96545988 98844702 102253140 104835290 115318819 119295330 120682485 125802348 134788230 143154396 148267053 157252935 160909980 164741170 178942995 188703522 197689404 209670580 230637638 238590660 241364970 247111755 269576460 296534106 314505870 329482340 345956457 357885990 377407044 461275276 471758805 482729940 494223510 576594095 593068212 629011740 691912914 715771980 741335265 943517610 988447020 1037869371 1153188190 1383825828 1482670530 1729782285 1887035220 2075738742 2306376380 2965341060 3459564570 4151477484 5189346855 6919129140 10378693710 20757387420
• Sum of all divisors σ(n): 83165322240
• Sum of proper divisors (its aliquot sum) s(n): 62407934820
• 20757387420 is an abundant number, because the sum of its proper divisors (62407934820) is greater than itself. Its abundance is 41650547400

Bases of 20757387420

• Binary: 10011010101001111001001100010011100₂
• Hexadecimal: 0x4D53C989C
• Base-36: 9JAEUN0

Squares and roots of 20757387420

• 20757387420 squared (20757387420²) is 430869132503974256400
• 20757387420 cubed (20757387420³) is 8943717510704308329801214488000
• The square root of 20757387420 is 144074.2427361671
• The cube root of 20757387420 is 2748.2583978651

Scales and comparisons

• 20,757,387,420 seconds is equal to 660 years, 1 week, 12 hours, 57 minutes.
• To count from 1 to 20,757,387,420 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 20757387420 cubic inches would be around 229 feet tall.

Recreational maths with 20757387420

• 20757387420 backwards is 02478375702
• 20757387420 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20757387420's digits is 45
• More coming soon!