145848690

Names of 145848690

• Cardinal: 145848690 can be written as One hundred forty-five million, eight hundred forty-eight thousand, six hundred ninety.

Scientific notation

• Scientific notation: 1.4584869 × 10⁸

Factors of 145848690

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 289

Divisors of 145848690

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 30 39 43 45 65 78 86 90 117 129 130 169 195 215 223 234 258 338 387 390 430 446 507 559 585 645 669 774 845 1014 1115 1118 1170 1290 1338 1521 1677 1690 1935 2007 2230 2535 2795 2899 3042 3345 3354 3870 4014 5031 5070 5590 5798 6690 7267 7605 8385 8697 9589 10035 10062 14495 14534 15210 16770 17394 19178 20070 21801 25155 26091 28767 28990 36335 37687 43485 43602 47945 50310 52182 57534 65403 72670 75374 86301 86970 95890 109005 113061 124657 130455 130806 143835 172602 188435 218010 226122 249314 260910 287670 327015 339183 373971 376870 431505 565305 623285 654030 678366 747942 863010 1121913 1130610 1246570 1620541 1695915 1869855 2243826 3241082 3391830 3739710 4861623 5609565 8102705 9723246 11219130 14584869 16205410 24308115 29169738 48616230 72924345 145848690
• Sum of all divisors σ(n): 422053632
• Sum of proper divisors (its aliquot sum) s(n): 276204942
• 145848690 is an abundant number, because the sum of its proper divisors (276204942) is greater than itself. Its abundance is 130356252

Bases of 145848690

• Binary: 1000101100010111100101110010₂
• Hexadecimal: 0x8B17972
• Base-36: 2EU1KI

Squares and roots of 145848690

• 145848690 squared (145848690²) is 21271840374716100
• 145848690 cubed (145848690³) is 3102470052541452306909000
• The square root of 145848690 is 12076.7830981599
• The cube root of 145848690 is 526.3817750093

Scales and comparisons

• 145,848,690 seconds is equal to 4 years, 33 weeks, 1 day, 1 hour, 31 minutes, 30 seconds.
• To count from 1 to 145,848,690 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 145848690 cubic inches would be around 43.9 feet tall.

Recreational maths with 145848690

• 145848690 backwards is 096848541
• 145848690 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 145848690's digits is 45
• More coming soon!