1398978164220

Names of 1398978164220

• Cardinal: 1398978164220 can be written as One trillion, three hundred ninety-eight billion, nine hundred seventy-eight million, one hundred sixty-four thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.39897816422 × 10¹²

Factors of 1398978164220

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5229073

Divisors of 1398978164220

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 35 39 42 49 52 60 65 70 78 84 91 98 105 130 140 147 156 182 195 196 210 245 260 273 294 343 364 390 420 455 490 546 588 637 686 735 780 910 980 1029 1092 1274 1365 1372 1470 1715 1820 1911 2058 2548 2730 2940 3185 3430 3822 4116 4459 5145 5460 6370 6860 7644 8918 9555 10290 12740 13377 17836 19110 20580 22295 26754 38220 44590 53508 66885 89180 133770 267540 5229043 10458086 15687129 20916172 26145215 31374258 36603301 52290430 62748516 67977559 73206602 78435645 104580860 109809903 135955118 146413204 156871290 183016505 203932677 219619806 256223107 271910236 313742580 339887795 366033010 407865354 439239612 475842913 512446214 549049515 679775590 732066020 768669321 815730708 951685826 1019663385 1024892428 1098099030 1281115535 1359551180 1427528739 1537338642 1793561749 1903371652 2039326770 2196198060 2379214565 2562231070 2855057478 3074677284 3330900391 3587123498 3843346605 4078653540 4758429130 5124462140 5380685247 5710114956 6661800782 7137643695 7174246996 7686693210 8967808745 9516858260 9992701173 10761370494 13323601564 14275287390 15373386420 16654501955 17935617490 19985402346 21522740988 23316302737 26903426235 28550574780 33309003910 35871234980 39970804692 46632605474 49963505865 53806852470 66618007820 69948908211 93265210948 99927011730 107613704940 116581513685 139897816422 199854023460 233163027370 279795632844 349744541055 466326054740 699489082110 1398978164220
• Sum of all divisors σ(n): 4919484595200
• Sum of proper divisors (its aliquot sum) s(n): 3520506430980
• 1398978164220 is an abundant number, because the sum of its proper divisors (3520506430980) is greater than itself. Its abundance is 2121528266760

Bases of 1398978164220

• Binary: 10100010110111001100110001011010111111100₂
• Hexadecimal: 0x145B998B5FC
• Base-36: HUOJH81O

Squares and roots of 1398978164220

• 1398978164220 squared (1398978164220²) is 1957139903964361288208400
• 1398978164220 cubed (1398978164220³) is 2737995989969769255282621764783448000
• The square root of 1398978164220 is 1182784.0733709599
• The cube root of 1398978164220 is 11184.1670526851

Scales and comparisons

• 1,398,978,164,220 seconds is equal to 44,483 years, 9 weeks, 1 day, 21 hours, 37 minutes.
• To count from 1 to 1,398,978,164,220 would take you about one hundred eleven thousand, two hundred seven 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 1398978164220 cubic inches would be around 932 feet tall.

Recreational maths with 1398978164220

• 1398978164220 backwards is 0224618798931
• 1398978164220 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1398978164220's digits is 60
• More coming soon!