1997429807646

Names of 1997429807646

• Cardinal: 1997429807646 can be written as One trillion, nine hundred ninety-seven billion, four hundred twenty-nine million, eight hundred seven thousand, six hundred forty-six.

Scientific notation

• Scientific notation: 1.997429807646 × 10¹²

Factors of 1997429807646

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 22512

Divisors of 1997429807646

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 9 13 14 17 18 21 26 34 39 42 51 63 78 91 102 117 119 126 153 182 221 234 238 273 306 357 442 546 663 714 819 1071 1326 1547 1638 1989 2142 3094 3853 3978 4641 7706 9282 11559 13923 18617 23118 26971 27846 34677 37234 50089 53942 55851 65501 69354 80913 100178 111702 130319 131002 150267 161826 167553 196503 242021 242739 260638 300534 316489 335106 350623 390957 393006 450801 458507 484042 485478 589509 632978 701246 726063 781914 851513 901602 917014 949467 1051869 1172871 1179018 1375521 1452126 1694147 1703026 1898934 2103738 2178189 2215423 2345742 2554539 2751042 2848401 3155607 3388294 4114357 4126563 4356378 4430846 5082441 5109078 5696802 5960591 6311214 6646269 7663617 8228714 8253126 10164882 11921182 12343071 13292538 15247323 15327234 17881773 19938807 24686142 28800499 30494646 35763546 37029213 39877614 53645319 57600998 71731301 74058426 86401497 107290638 143462602 172802994 215193903 259204491 430387806 502119107 518408982 645581709 932506913 1004238214 1219432117 1291163418 1506357321 1865013826 2438864234 2797520739 3012714642 3658296351 4519071963 5595041478 6527548391 7316592702 8392562217 8536024819 9038143926 10974889053 13055096782 15852617521 16785124434 17072049638 19582645173 21949778106 25608074457 31705235042 39165290346 47557852563 51216148914 58747935519 76824223371 95115705126 110968322647 117495871038 142673557689 153648446742 221936645294 285347115378 332904967941 665809935882 998714903823 1997429807646
• Sum of all divisors σ(n): 5641568569728
• Sum of proper divisors (its aliquot sum) s(n): 3644138762082
• 1997429807646 is an abundant number, because the sum of its proper divisors (3644138762082) is greater than itself. Its abundance is 1646708954436

Bases of 1997429807646

• Binary: 11101000100010000000110000001101000011110₂
• Hexadecimal: 0x1D110181A1E
• Base-36: PHLU4VFI

Squares and roots of 1997429807646

• 1997429807646 squared (1997429807646²) is 3989725836472736560061316
• 1997429807646 cubed (1997429807646³) is 7969197310106014638286506143845622136
• The square root of 1997429807646 is 1413304.5700223289
• The cube root of 1997429807646 is 12593.8111196321

Scales and comparisons

• 1,997,429,807,646 seconds is equal to 63,512 years, 4 weeks, 4 days, 13 hours, 14 minutes, 6 seconds.
• To count from 1 to 1,997,429,807,646 would take you about one hundred fifty-eight thousand, seven hundred eighty 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 1997429807646 cubic inches would be around 1049.5 feet tall.

Recreational maths with 1997429807646

• 1997429807646 backwards is 6467089247991
• The number of decimal digits it has is: 13
• The sum of 1997429807646's digits is 72
• More coming soon!