145347748020

Names of 145347748020

• Cardinal: 145347748020 can be written as One hundred forty-five billion, three hundred forty-seven million, seven hundred forty-eight thousand and twenty.

Scientific notation

• Scientific notation: 1.4534774802 × 10¹¹

Factors of 145347748020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 79197

Divisors of 145347748020

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 53 60 90 106 159 180 193 212 265 318 386 477 530 579 636 772 795 954 965 1060 1158 1590 1737 1908 1930 2316 2385 2895 3180 3474 3860 4770 5790 6948 8685 9540 10229 11580 17370 20458 30687 34740 40916 51145 61374 78941 92061 102290 122748 153435 157882 184122 204580 236823 306870 315764 368244 394705 460305 473646 613740 710469 789410 920610 947292 1184115 1420938 1578820 1841220 2368230 2841876 3552345 4183873 4736460 7104690 8367746 12551619 14209380 15235613 16735492 20919365 25103238 30471226 37654857 41838730 45706839 50206476 60942452 62758095 75309714 76178065 83677460 91413678 125516190 137120517 150619428 152356130 182827356 188274285 228534195 251032380 274241034 304712260 376548570 457068390 548482068 685602585 753097140 807487489 914136780 1371205170 1614974978 2422462467 2742410340 3229949956 4037437445 4844924934 7267387401 8074874890 9689849868 12112312335 14534774802 16149749780 24224624670 29069549604 36336937005 48449249340 72673874010 145347748020
• Sum of all divisors σ(n): 451540030032
• Sum of proper divisors (its aliquot sum) s(n): 306192282012
• 145347748020 is an abundant number, because the sum of its proper divisors (306192282012) is greater than itself. Its abundance is 160844533992

Bases of 145347748020

• Binary: 10000111010111011001101010000010110100₂
• Hexadecimal: 0x21D766A0B4
• Base-36: 1URSAO50

Squares and roots of 145347748020

• 145347748020 squared (145347748020²) is 21125967854485413920400
• 145347748020 cubed (145347748020³) is 3070611852392365969267699537608000
• The square root of 145347748020 is 381244.9973704573
• The cube root of 145347748020 is 5257.7843466119

Scales and comparisons

• 145,347,748,020 seconds is equal to 4,621 years, 31 weeks, 4 days, 14 hours, 27 minutes.
• To count from 1 to 145,347,748,020 would take you about nine thousand, two 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 145347748020 cubic inches would be around 438.1 feet tall.

Recreational maths with 145347748020

• 145347748020 backwards is 020847743541
• 145347748020 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 145347748020's digits is 45
• More coming soon!