1989425673648

Names of 1989425673648

• Cardinal: 1989425673648 can be written as One trillion, nine hundred eighty-nine billion, four hundred twenty-five million, six hundred seventy-three thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 1.989425673648 × 10¹²

Factors of 1989425673648

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 281948095

Divisors of 1989425673648

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 49 56 63 72 84 98 112 126 144 147 168 196 252 294 336 392 441 504 588 784 882 1008 1176 1764 2352 3528 7056 281948083 563896166 845844249 1127792332 1691688498 1973636581 2255584664 2537532747 3383376996 3947273162 4511169328 5075065494 5920909743 6766753992 7894546324 10150130988 11841819486 13533507984 13815456067 15789092648 17762729229 20300261976 23683638972 27630912134 31578185296 35525458458 40600523952 41446368201 47367277944 55261824268 71050916916 82892736402 94734555888 110523648536 124339104603 142101833832 165785472804 221047297072 248678209206 284203667664 331570945608 497356418412 663141891216 994712836824 1989425673648
• Sum of all divisors σ(n): 6476629437564
• Sum of proper divisors (its aliquot sum) s(n): 4487203763916
• 1989425673648 is an abundant number, because the sum of its proper divisors (4487203763916) is greater than itself. Its abundance is 2497778090268

Bases of 1989425673648

• Binary: 11100111100110011000000101011010110110000₂
• Hexadecimal: 0x1CF3302B5B0
• Base-36: PDXGOI40

Squares and roots of 1989425673648

• 1989425673648 squared (1989425673648²) is 3957814510969798601627904
• 1989425673648 cubed (1989425673648³) is 7873777799659921268826481304634273792
• The square root of 1989425673648 is 1410470.0186987317
• The cube root of 1989425673648 is 12576.9665563831

Scales and comparisons

• 1,989,425,673,648 seconds is equal to 63,257 years, 30 weeks, 2 days, 2 hours, 40 minutes, 48 seconds.
• To count from 1 to 1,989,425,673,648 would take you about one hundred fifty-eight thousand, one hundred forty-three 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 1989425673648 cubic inches would be around 1048.1 feet tall.

Recreational maths with 1989425673648

• 1989425673648 backwards is 8463765249891
• 1989425673648 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1989425673648's digits is 72
• More coming soon!