145418423920

Names of 145418423920

• Cardinal: 145418423920 can be written as One hundred forty-five billion, four hundred eighteen million, four hundred twenty-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.4541842392 × 10¹¹

Factors of 145418423920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1534

Divisors of 145418423920

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 35 40 44 55 56 70 77 80 88 110 112 127 140 151 154 176 220 254 280 302 308 385 440 508 560 604 616 635 755 770 880 889 1016 1057 1208 1231 1232 1270 1397 1510 1540 1661 1778 2032 2114 2416 2462 2540 2794 3020 3080 3322 3556 4228 4445 4924 5080 5285 5588 6040 6155 6160 6644 6985 7112 8305 8456 8617 8890 9779 9848 10160 10570 11176 11627 12080 12310 13288 13541 13970 14224 16610 16912 17234 17780 19177 19558 19696 21140 22352 23254 24620 26576 27082 27940 33220 34468 35560 38354 39116 42280 43085 46508 48895 49240 54164 55880 58135 66440 67705 68936 71120 76708 78232 84560 86170 93016 94787 95885 97790 98480 108328 111760 116270 132880 134239 135410 137872 153416 156337 156464 172340 185881 186032 189574 191770 195580 210947 216656 232540 268478 270820 306832 312674 344680 371762 379148 383540 391160 421894 465080 473935 536956 541640 625348 671195 689360 743524 758296 767080 781685 782320 843788 929405 930160 947870 1054735 1073912 1083280 1094359 1250696 1301167 1342390 1476629 1487048 1516592 1534160 1563370 1687576 1719707 1858810 1895740 2044691 2109470 2147824 2188718 2501392 2602334 2684780 2953258 2974096 3126740 3375152 3439414 3717620 3791480 4089382 4218940 4377436 5204668 5369560 5471795 5906516 6253480 6505835 6878828 7383145 7435240 7582960 8178764 8437880 8598535 8754872 10223455 10409336 10739120 10943590 11813032 12037949 12506960 13011670 13757656 14312837 14766290 14870480 16357528 16875760 17197070 17509744 20446910 20818672 21887180 23606887 23626064 24075898 26023340 27515312 28625674 29532580 32715056 34394140 40893820 43774360 47213774 48151796 52046680 57251348 59065160 60189745 68788280 71564185 81787640 87548720 94427548 96303592 104093360 114502696 118034435 118130320 120379490 137576560 143128370 163575280 165248209 188855096 192607184 229005392 236068870 240758980 259675757 286256740 330496418 377710192 472137740 481517960 519351514 572513480 660992836 826241045 944275480 963035920 1038703028 1145026960 1298378785 1321985672 1652482090 1817730299 1888550960 2077406056 2596757570 2643971344 3304964180 3635460598 4154812112 5193515140 6609928360 7270921196 9088651495 10387030280 13219856720 14541842392 18177302990 20774060560 29083684784 36354605980 72709211960 145418423920
• Sum of all divisors σ(n): 428004605952
• Sum of proper divisors (its aliquot sum) s(n): 282586182032
• 145418423920 is an abundant number, because the sum of its proper divisors (282586182032) is greater than itself. Its abundance is 137167758112

Bases of 145418423920

• Binary: 10000111011011100111010000111001110000₂
• Hexadecimal: 0x21DB9D0E70
• Base-36: 1USYDI0G

Squares and roots of 145418423920

• 145418423920 squared (145418423920²) is 21146518015376828166400
• 145418423920 cubed (145418423920³) is 3075093321191984676846551500288000
• The square root of 145418423920 is 381337.6770265429
• The cube root of 145418423920 is 5258.6364144553

Scales and comparisons

• 145,418,423,920 seconds is equal to 4,623 years, 44 weeks, 3 days, 14 hours, 38 minutes, 40 seconds.
• To count from 1 to 145,418,423,920 would take you about nine thousand, two hundred forty-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 145418423920 cubic inches would be around 438.2 feet tall.

Recreational maths with 145418423920

• 145418423920 backwards is 029324814541
• The number of decimal digits it has is: 12
• The sum of 145418423920's digits is 43
• More coming soon!