385397499420

Names of 385397499420

• Cardinal: 385397499420 can be written as Three hundred eighty-five billion, three hundred ninety-seven million, four hundred ninety-nine thousand, four hundred twenty.

Scientific notation

• Scientific notation: 3.8539749942 × 10¹¹

Factors of 385397499420

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 234046

Divisors of 385397499420

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 113 135 162 180 226 243 270 324 339 405 452 486 540 565 678 729 810 972 1017 1130 1215 1356 1458 1620 1695 2034 2260 2430 2916 3051 3390 3645 4068 4860 5085 6102 6780 7290 9153 10170 12204 14580 15255 18306 20340 27459 30510 36612 45765 54918 61020 82377 91530 109836 137295 164754 183060 233923 274590 329508 411885 467846 549180 701769 823770 935692 1169615 1403538 1647540 2105307 2339230 2807076 3508845 4210614 4678460 6315921 7017690 8421228 10526535 12631842 14035380 18947763 21053070 25263684 26433299 31579605 37895526 42106140 52866598 56843289 63159210 75791052 79299897 94738815 105733196 113686578 126318420 132166495 158599794 170529867 189477630 227373156 237899691 264332990 284216445 317199588 341059734 378955260 396499485 475799382 528665980 568432890 682119468 713699073 792998970 852649335 951598764 1136865780 1189498455 1427398146 1585997940 1705298670 2141097219 2378996910 2854796292 3410597340 3568495365 4282194438 4757993820 6423291657 7136990730 8564388876 10705486095 12846583314 14273981460 19269874971 21410972190 25693166628 32116458285 38539749942 42821944380 64232916570 77079499884 96349374855 128465833140 192698749710 385397499420
• Sum of all divisors σ(n): 1224190726416
• Sum of proper divisors (its aliquot sum) s(n): 838793226996
• 385397499420 is an abundant number, because the sum of its proper divisors (838793226996) is greater than itself. Its abundance is 453395727576

Bases of 385397499420

• Binary: 101100110111011011110110010011000011100₂
• Hexadecimal: 0x59BB7B261C
• Base-36: 4X1RPXR0

Squares and roots of 385397499420

• 385397499420 squared (385397499420²) is 148531232559188900336400
• 385397499420 cubed (385397499420³) is 57243565614081889333068156804888000
• The square root of 385397499420 is 620803.9138246473
• The cube root of 385397499420 is 7277.2891442223

Scales and comparisons

• 385,397,499,420 seconds is equal to 12,254 years, 23 weeks, 2 days, 4 hours, 57 minutes.
• To count from 1 to 385,397,499,420 would take you about twenty-four thousand, five hundred eight 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 385397499420 cubic inches would be around 606.4 feet tall.

Recreational maths with 385397499420

• 385397499420 backwards is 024994793583
• The number of decimal digits it has is: 12
• The sum of 385397499420's digits is 63
• More coming soon!