72213189390

Names of 72213189390

• Cardinal: 72213189390 can be written as Seventy-two billion, two hundred thirteen million, one hundred eighty-nine thousand, three hundred ninety.

Scientific notation

• Scientific notation: 7.221318939 × 10¹⁰

Factors of 72213189390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1038

Divisors of 72213189390

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 9 10 15 17 18 27 30 34 45 51 54 85 90 97 102 135 153 170 194 241 255 270 291 306 459 482 485 510 582 673 723 765 873 918 970 1205 1346 1446 1455 1530 1649 1746 2019 2169 2295 2410 2619 2910 3298 3365 3615 4038 4097 4338 4365 4590 4947 5238 6057 6507 6730 7230 8194 8245 8730 9894 10095 10845 11441 12114 12291 13014 13095 14841 16490 18171 20190 20485 21690 22882 23377 24582 24735 26190 29682 30285 32535 34323 36342 36873 40970 44523 46754 49470 57205 60570 61455 65070 65281 68646 70131 73746 74205 89046 90855 102969 110619 114410 116885 122910 130562 140262 148410 162193 171615 181710 184365 195843 205938 210393 221238 222615 233770 308907 324386 326405 343230 350655 368730 391686 397409 420786 445230 486579 514845 553095 587529 617814 631179 652810 701310 794818 810965 973158 979215 1029690 1051965 1106190 1109777 1175058 1192227 1262358 1459737 1544535 1621930 1762587 1958430 1987045 2103930 2219554 2384454 2432895 2757281 2919474 2937645 3089070 3155895 3329331 3525174 3576681 3974090 4379211 4865790 5514562 5548885 5875290 5961135 6311790 6658662 7153362 7298685 8271843 8758422 8812935 9987993 10730043 11097770 11922270 13786405 14597370 15732721 16543686 16646655 17625870 17883405 19975986 21460086 21896055 24815529 27572810 29963979 31465442 33293310 35766810 41359215 43792110 47198163 49631058 49939965 53650215 59927958 74446587 78663605 82718430 94396326 99879930 107300430 124077645 141594489 148893174 149819895 157327210 235990815 248155290 267456257 283188978 299639790 372232935 424783467 471981630 534912514 707972445 744465870 802368771 849566934 1337281285 1415944890 1604737542 2123917335 2407106313 2674562570 4011843855 4247834670 4814212626 7221318939 8023687710 12035531565 14442637878 24071063130 36106594695 72213189390
• Sum of all divisors σ(n): 207160208640
• Sum of proper divisors (its aliquot sum) s(n): 134947019250
• 72213189390 is an abundant number, because the sum of its proper divisors (134947019250) is greater than itself. Its abundance is 62733829860

Bases of 72213189390

• Binary: 1000011010000001111011101001100001110₂
• Hexadecimal: 0x10D03DD30E
• Base-36: X69V9JI

Squares and roots of 72213189390

• 72213189390 squared (72213189390²) is 5214744721876008572100
• 72213189390 cubed (72213189390³) is 376573348221335083114320770019000
• The square root of 72213189390 is 268725.1186435687
• The cube root of 72213189390 is 4164.2696353481

Scales and comparisons

• 72,213,189,390 seconds is equal to 2,296 years, 8 weeks, 19 hours, 16 minutes, 30 seconds.
• To count from 1 to 72,213,189,390 would take you about four thousand, five hundred ninety-two 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 72213189390 cubic inches would be around 347 feet tall.

Recreational maths with 72213189390

• 72213189390 backwards is 09398131227
• 72213189390 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72213189390's digits is 45
• More coming soon!