42390757920

Names of 42390757920

• Cardinal: 42390757920 can be written as Forty-two billion, three hundred ninety million, seven hundred fifty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 4.239075792 × 10¹⁰

Factors of 42390757920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1772

Divisors of 42390757920

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 37 40 42 48 56 60 70 74 80 84 96 105 111 112 120 140 148 160 168 185 210 222 224 229 240 259 280 296 336 370 420 444 458 480 518 555 560 592 672 687 740 777 840 888 916 1036 1110 1120 1145 1184 1295 1374 1480 1489 1554 1603 1680 1776 1832 2072 2220 2290 2590 2748 2960 2978 3108 3206 3360 3435 3552 3664 3885 4144 4440 4467 4580 4809 5180 5496 5920 5956 6216 6412 6870 7328 7445 7770 8015 8288 8473 8880 8934 9160 9618 10360 10423 10992 11912 12432 12824 13740 14890 15540 16030 16946 17760 17868 18320 19236 20720 20846 21984 22335 23824 24045 24864 25419 25648 27480 29780 31080 31269 32060 33892 35736 36640 38472 41440 41692 42365 44670 47648 48090 50838 51296 52115 54960 55093 59311 59560 62160 62538 64120 67784 71472 76944 83384 84730 89340 96180 101676 104230 109920 110186 118622 119120 124320 125076 127095 128240 135568 142944 153888 156345 165279 166768 169460 177933 178680 192360 203352 208460 220372 237244 238240 250152 254190 256480 271136 275465 296555 312690 330558 333536 338920 340981 355866 357360 384720 385651 406704 416920 440744 474488 500304 508380 550930 593110 625380 661116 677840 681962 711732 714720 769440 771302 813408 826395 833840 881488 889665 948976 1000608 1016760 1022943 1101860 1156953 1186220 1250760 1322232 1355680 1363924 1423464 1542604 1652790 1667680 1704905 1762976 1779330 1897952 1928255 2033520 2045886 2203720 2313906 2372440 2386867 2501520 2644464 2727848 2846928 3085208 3305580 3409810 3558660 3856510 4067040 4091772 4407440 4627812 4744880 4773734 5003040 5114715 5288928 5455696 5693856 5784765 6170416 6611160 6819620 7117320 7160601 7713020 8183544 8814880 9255624 9489760 9547468 10229430 10911392 11569530 11934335 12340832 12616297 13222320 13639240 14234640 14321202 15426040 16367088 18511248 19094936 20458860 23139060 23868670 25232594 26444640 27278480 28469280 28642404 30852080 32734176 35803005 37022496 37848891 38189872 40917720 46278120 47737340 50465188 54556960 57284808 61704160 63081485 71606010 75697782 76379744 81835440 88314079 92556240 95474680 100930376 114569616 126162970 143212020 151395564 163670880 176628158 185112480 189244455 190949360 201860752 229139232 252325940 264942237 286424040 302791128 353256316 378488910 381898720 403721504 441570395 504651880 529884474 572848080 605582256 706512632 756977820 883140790 1009303760 1059768948 1145696160 1211164512 1324711185 1413025264 1513955640 1766281580 2018607520 2119537896 2649422370 2826050528 3027911280 3532563160 4239075792 5298844740 6055822560 7065126320 8478151584 10597689480 14130252640 21195378960 42390757920
• Sum of all divisors σ(n): 157521369600
• Sum of proper divisors (its aliquot sum) s(n): 115130611680
• 42390757920 is an abundant number, because the sum of its proper divisors (115130611680) is greater than itself. Its abundance is 72739853760

Bases of 42390757920

• Binary: 100111011110101011111010001000100000₂
• Hexadecimal: 0x9DEAFA220
• Base-36: JH2D25C

Squares and roots of 42390757920

• 42390757920 squared (42390757920²) is 1796976357032042726400
• 42390757920 cubed (42390757920³) is 76175189738908812897919193088000
• The square root of 42390757920 is 205890.1598425723
• The cube root of 42390757920 is 3486.7734242085

Scales and comparisons

• 42,390,757,920 seconds is equal to 1,347 years, 46 weeks, 3 days, 18 hours, 32 minutes.
• To count from 1 to 42,390,757,920 would take you about two thousand, six hundred ninety-five 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 42390757920 cubic inches would be around 290.6 feet tall.

Recreational maths with 42390757920

• 42390757920 backwards is 02975709324
• 42390757920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 42390757920's digits is 48
• More coming soon!