4045645890

Names of 4045645890

• Cardinal: 4045645890 can be written as Four billion, forty-five million, six hundred forty-five thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 4.04564589 × 10⁹

Factors of 4045645890

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 92

Divisors of 4045645890

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 5 6 9 10 11 13 15 17 18 22 26 30 33 34 39 41 45 51 55 65 66 78 82 85 90 99 102 110 117 121 123 130 143 153 165 170 187 195 198 205 221 234 242 246 255 286 306 330 363 369 374 390 410 429 442 451 495 510 533 561 585 605 615 663 697 715 726 738 765 858 902 935 990 1066 1089 1105 1122 1170 1210 1230 1287 1326 1353 1394 1430 1530 1573 1599 1681 1683 1815 1845 1870 1989 2057 2091 2145 2178 2210 2255 2431 2574 2665 2706 2805 3146 3198 3315 3362 3366 3485 3630 3690 3978 4059 4114 4182 4290 4510 4719 4797 4862 4961 5043 5330 5445 5610 5863 6171 6273 6435 6630 6765 6970 7293 7667 7865 7995 8118 8405 8415 9061 9438 9594 9922 9945 10086 10285 10455 10890 11726 12155 12342 12546 12870 13530 14157 14586 14883 15129 15334 15730 15990 16810 16830 17589 18122 18491 18513 19890 20295 20570 20910 21853 21879 23001 23595 23985 24310 24805 25215 26741 27183 28314 28577 29315 29766 30258 30855 31365 35178 36465 36982 37026 38335 40590 43706 43758 44649 45305 46002 47190 47970 49610 50430 52767 53482 54366 55473 57154 58630 61710 62730 64493 65559 69003 70785 72930 74415 75645 76670 80223 81549 84337 85731 87945 89298 90610 92455 92565 99671 105534 109265 109395 110946 115005 128986 131118 133705 135915 138006 141570 142885 148830 151290 160446 163098 166419 168674 171462 175890 184910 185130 193479 196677 199342 203401 218530 218790 223245 230010 240383 240669 253011 257193 263835 267410 271830 277365 285770 299013 314347 322465 327795 332838 345015 371501 386958 393354 401115 406802 407745 421685 428655 446490 480766 481338 498355 506022 514386 527670 554730 580437 598026 610203 628694 644930 655590 690030 721149 743002 759033 802230 815490 832095 843370 857310 897039 943041 967395 983385 996710 1017005 1096381 1114503 1160874 1201915 1203345 1220406 1265055 1285965 1442298 1495065 1518066 1571735 1664190 1794078 1830609 1857505 1886082 1934790 1966770 2034010 2163447 2192762 2229006 2403830 2406690 2530110 2571930 2644213 2829123 2902185 2990130 3051015 3143470 3289143 3343509 3457817 3605745 3661218 3715010 3795165 4086511 4326894 4485195 4715205 5288426 5481905 5572515 5658246 5804370 6102030 6578286 6687018 6915634 7211490 7590330 7932639 8173022 8970390 9153045 9430410 9867429 10373451 10817235 10963810 11145030 12259533 13221065 14145615 15865278 16445715 16717545 17289085 18306090 19734858 20432555 20746902 21634470 23797917 24519066 26442130 28291230 31120353 32891430 33435090 34578170 36778599 39663195 40865110 44951621 47595834 49337145 51867255 61297665 62240706 73557198 79326390 89903242 98674290 103734510 118989585 122595330 134854863 155601765 183892995 224758105 237979170 269709726 311203530 367785990 404564589 449516210 674274315 809129178 1348548630 2022822945 4045645890
• Sum of all divisors σ(n): 13513047912
• Sum of proper divisors (its aliquot sum) s(n): 9467402022
• 4045645890 is an abundant number, because the sum of its proper divisors (9467402022) is greater than itself. Its abundance is 5421756132

Bases of 4045645890

• Binary: 11110001001000111010100001000010₂
• Hexadecimal: 0xF123A842
• Base-36: 1UWO8CI

Squares and roots of 4045645890

• 4045645890 squared (4045645890²) is 16367250667273892100
• 4045645890 cubed (4045645890³) is 66216100392656379078668469000
• The square root of 4045645890 is 63605.3919884155
• The cube root of 4045645890 is 1593.4164227351

Scales and comparisons

• 4,045,645,890 seconds is equal to 128 years, 33 weeks, 1 day, 14 hours, 31 minutes, 30 seconds.
• To count from 1 to 4,045,645,890 would take you about two hundred fifty-seven 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 4045645890 cubic inches would be around 132.8 feet tall.

Recreational maths with 4045645890

• 4045645890 backwards is 0985465404
• 4045645890 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 4045645890's digits is 45
• More coming soon!