19748907990

Names of 19748907990

• Cardinal: 19748907990 can be written as Nineteen billion, seven hundred forty-eight million, nine hundred seven thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.974890799 × 10¹⁰

Factors of 19748907990

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 194

Divisors of 19748907990

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 17 18 19 21 30 34 35 37 38 42 43 45 51 57 61 63 70 74 85 86 90 95 102 105 111 114 119 122 126 129 133 153 170 171 183 185 190 210 215 222 238 255 258 259 266 285 301 305 306 315 323 333 342 357 366 370 387 399 427 430 510 518 549 555 570 595 602 610 629 630 645 646 665 666 703 714 731 765 774 777 798 817 854 855 903 915 969 1037 1071 1098 1110 1159 1190 1197 1258 1281 1290 1295 1330 1406 1462 1505 1530 1554 1591 1615 1634 1665 1710 1785 1806 1830 1887 1935 1938 1995 2074 2109 2135 2142 2193 2257 2261 2318 2331 2394 2451 2562 2590 2623 2709 2745 2907 3010 3111 3145 3182 3230 3330 3477 3515 3570 3655 3774 3843 3870 3885 3990 4085 4218 4270 4386 4403 4514 4515 4522 4662 4773 4845 4902 4921 5117 5185 5246 5355 5418 5490 5661 5719 5795 5814 5985 6222 6290 6327 6405 6579 6771 6783 6954 7030 7259 7310 7353 7686 7770 7869 7955 8113 8170 8806 9030 9333 9435 9546 9690 9842 10234 10370 10431 10545 10710 10965 11137 11285 11305 11322 11438 11590 11655 11951 11970 12255 12654 12810 13115 13158 13209 13542 13545 13566 13889 14319 14518 14535 14706 14763 15351 15555 15738 15799 15910 16226 17157 17385 18361 18666 18870 19215 19703 20313 20349 20862 21090 21777 21930 22015 22274 22570 22610 23310 23607 23865 23902 24339 24510 24605 25585 26230 26418 27047 27090 27778 28305 28595 28638 29070 29526 30229 30702 31110 31598 31635 32895 33411 33855 33915 34314 34770 35853 36295 36722 36765 38369 38430 39345 39406 39627 40565 40626 40698 41667 42883 43554 44030 44289 44591 46053 46665 47214 47397 47730 48678 49210 49837 51170 51471 52155 54094 55083 55685 56610 57190 59109 59755 60458 63270 65331 65790 66045 66822 67710 67830 69445 71595 71706 72590 73017 73530 73815 76738 76755 78690 78995 79254 81130 81141 83334 83657 85766 85785 88578 89182 90687 91805 92106 93330 94794 97051 97223 98515 99674 100233 101565 101745 102942 104310 107559 108885 110166 111370 115107 118035 118218 119510 121695 125001 128649 130662 132090 133773 135235 137921 138890 142191 143190 146034 147630 149511 151145 153510 157990 162282 165249 167055 167314 171570 177327 179265 181374 183610 189329 191845 194102 194446 197030 198135 200466 203130 203490 208335 211603 214415 215118 217770 221445 222955 230214 230265 236070 236985 243390 243423 249185 250002 250971 257298 257355 267546 268583 270470 272061 275415 275842 284382 291153 291669 295545 299022 300181 302290 312137 326655 330498 334110 345321 348859 354654 358530 365085 378658 383690 385947 396270 401319 405705 413763 416670 418285 423206 428830 442890 445910 448533 453435 460530 473970 485255 486115 486846 498370 501165 501942 513893 514710 537166 537795 544122 550830 567987 575535 582306 583338 591090 600362 624274 625005 634809 643245 653310 668865 679357 689605 690642 697718 710955 729011 730170 747555 752913 771894 802638 805749 811410 826245 827526 836570 847229 873459 875007 886635 897066 900543 906870 936411 946645 970510 972230 1002330 1027786 1046577 1058015 1075590 1135974 1151070 1217115 1241289 1250010 1254855 1269618 1286490 1337730 1342915 1358714 1360305 1379210 1421910 1455765 1458022 1458345 1495110 1500905 1505826 1541679 1560685 1611498 1649867 1652490 1694458 1703961 1726605 1744295 1746918 1750014 1773270 1801086 1843969 1872822 1893290 1904427 1929735 2006595 2038071 2068815 2093154 2116030 2187033 2242665 2417247 2434230 2482578 2509710 2541687 2569465 2685830 2701629 2720610 2809233 2839935 2911530 2916690 3001810 3083358 3121370 3139731 3174045 3299734 3396785 3407922 3453210 3488590 3597251 3645055 3687938 3764565 3808854 3859470 4013190 4028745 4076142 4137630 4236145 4367295 4374066 4375035 4485330 4502715 4625037 4682055 4834494 4949601 5083374 5103077 5138930 5232885 5403258 5531907 5618466 5679870 5930603 6114213 6206445 6279462 6348090 6561099 6793570 7194502 7290110 7529130 7625061 7708395 8057490 8249335 8472290 8519805 8734590 8750070 9005430 9219845 9250074 9364110 9522135 9899202 10190355 10206154 10465770 10791753 10935165 11063814 11549069 11861206 12086235 12228426 12412890 12708435 12907783 13122198 13508145 14046165 14848803 15250122 15309231 15416790 15698655 16498670 16595721 17039610 17791809 17986255 18439690 19044270 20380710 21583506 21870330 23098138 23125185 24172470 24748005 25416870 25515385 25815566 27016290 27659535 28092330 29653015 29697606 30571065 30618462 31347473 31397310 32375259 32805495 33191442 34647207 35583618 35972510 38125305 38723349 45927693 46250370 49496010 51030770 53375427 53958765 55319070 57745345 59306030 61142130 62694946 64538915 64750518 65610990 69294414 74244015 76250610 76546155 77446698 82978605 88959045 91855386 94042419 103941621 106750854 107917530 115490690 116170047 129077830 148488030 153092310 156737365 161876295 165957210 173236035 177918090 188084838 193616745 207883242 219432311 229638465 232340094 266877135 282127257 313474730 323752590 346472070 387233490 438864622 459276930 470212095 519708105 533754270 564254514 580850235 658296933 940424190 1039416210 1097161555 1161700470 1316593866 1410636285 1974890799 2194323110 2821272570 3291484665 3949781598 6582969330 9874453995 19748907990
• Sum of all divisors σ(n): 69861242880
• Sum of proper divisors (its aliquot sum) s(n): 50112334890
• 19748907990 is an abundant number, because the sum of its proper divisors (50112334890) is greater than itself. Its abundance is 30363426900

Bases of 19748907990

• Binary: 10010011001001000000110101111010110₂
• Hexadecimal: 0x499206BD6
• Base-36: 92LZMXI

Squares and roots of 19748907990

• 19748907990 squared (19748907990²) is 390019366797485840100
• 19748907990 cubed (19748907990³) is 7702456589201608819462752399000
• The square root of 19748907990 is 140530.8079746217
• The cube root of 19748907990 is 2703.0102680767

Scales and comparisons

• 19,748,907,990 seconds is equal to 627 years, 49 weeks, 4 days, 7 hours, 46 minutes, 30 seconds.
• To count from 1 to 19,748,907,990 would take you about one thousand, two hundred fifty-five 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 19748907990 cubic inches would be around 225.3 feet tall.

Recreational maths with 19748907990

• 19748907990 backwards is 09970984791
• 19748907990 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19748907990's digits is 63
• More coming soon!