143231970

Names of 143231970

• Cardinal: 143231970 can be written as One hundred forty-three million, two hundred thirty-one thousand, nine hundred seventy.

Scientific notation

• Scientific notation: 1.4323197 × 10⁸

Factors of 143231970

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 844

Divisors of 143231970

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 17 21 30 34 35 42 51 53 70 85 102 105 106 119 159 170 210 238 255 265 318 357 371 510 530 595 714 742 757 795 901 1113 1190 1514 1590 1785 1802 1855 2226 2271 2703 3570 3710 3785 4505 4542 5299 5406 5565 6307 7570 9010 10598 11130 11355 12614 12869 13515 15897 18921 22710 25738 26495 27030 31535 31794 37842 38607 40121 52990 63070 64345 77214 79485 80242 90083 94605 120363 128690 158970 180166 189210 193035 200605 240726 270249 280847 386070 401210 450415 540498 561694 601815 682057 842541 900830 1203630 1351245 1364114 1404235 1685082 2046171 2702490 2808470 3410285 4092342 4212705 4774399 6820570 8425410 9548798 10230855 14323197 20461710 23871995 28646394 47743990 71615985 143231970
• Sum of all divisors σ(n): 424382976
• Sum of proper divisors (its aliquot sum) s(n): 281151006
• 143231970 is an abundant number, because the sum of its proper divisors (281151006) is greater than itself. Its abundance is 137919036

Bases of 143231970

• Binary: 1000100010011000101111100010₂
• Hexadecimal: 0x8898BE2
• Base-36: 2D9YHU

Squares and roots of 143231970

• 143231970 squared (143231970²) is 20515397230080900
• 143231970 cubed (143231970³) is 2938460760597030566373000
• The square root of 143231970 is 11967.9559658281
• The cube root of 143231970 is 523.2147616569

Scales and comparisons

• 143,231,970 seconds is equal to 4 years, 28 weeks, 5 days, 18 hours, 39 minutes, 30 seconds.
• To count from 1 to 143,231,970 would take you about six 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 143231970 cubic inches would be around 43.6 feet tall.

Recreational maths with 143231970

• 143231970 backwards is 079132341
• 143231970 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 143231970's digits is 30
• More coming soon!