139742460

Names of 139742460

• Cardinal: 139742460 can be written as One hundred thirty-nine million, seven hundred forty-two thousand, four hundred sixty.

Scientific notation

• Scientific notation: 1.3974246 × 10⁸

Factors of 139742460

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 184

Divisors of 139742460

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 13 15 18 20 22 26 30 33 36 39 44 45 52 55 60 61 65 66 78 89 90 99 110 117 122 130 132 143 156 165 178 180 183 195 198 220 234 244 260 267 286 305 330 356 366 390 396 429 445 468 495 534 549 572 585 610 660 671 715 732 780 793 801 858 890 915 979 990 1068 1098 1157 1170 1220 1287 1335 1342 1430 1586 1602 1716 1780 1830 1958 1980 2013 2145 2196 2314 2340 2379 2574 2670 2684 2745 2860 2937 3172 3204 3355 3471 3660 3916 3965 4005 4026 4290 4628 4758 4895 5148 5340 5429 5490 5785 5874 6039 6435 6710 6942 7137 7930 8010 8052 8580 8723 8811 9516 9790 10065 10413 10858 10980 11570 11748 11895 12078 12727 12870 13420 13884 14274 14685 15860 16020 16287 17355 17446 17622 19580 20130 20826 21716 23140 23790 24156 25454 25740 26169 27145 28548 29370 30195 32574 34710 34892 35244 35685 38181 40260 41652 43615 44055 47580 48861 50908 52065 52338 54290 58740 59719 60390 63635 65148 69420 70577 71370 76362 78507 81435 87230 88110 97722 104130 104676 108580 114543 119438 120780 127270 130845 141154 142740 152724 157014 162870 174460 176220 179157 190905 195444 208260 211731 229086 238876 244305 254540 261690 282308 298595 314028 325740 352885 358314 381810 392535 423462 458172 488610 523380 537471 572715 597190 635193 705770 716628 763620 776347 785070 846924 895785 977220 1058655 1074942 1145430 1194380 1270386 1411540 1552694 1570140 1791570 2117310 2149884 2290860 2329041 2540772 2687355 3105388 3175965 3583140 3881735 4234620 4658082 5374710 6351930 6987123 7763470 9316164 10749420 11645205 12703860 13974246 15526940 23290410 27948492 34935615 46580820 69871230 139742460
• Sum of all divisors σ(n): 511842240
• Sum of proper divisors (its aliquot sum) s(n): 372099780
• 139742460 is an abundant number, because the sum of its proper divisors (372099780) is greater than itself. Its abundance is 232357320

Bases of 139742460

• Binary: 1000010101000100110011111100₂
• Hexadecimal: 0x8544CFC
• Base-36: 2B75Z0

Squares and roots of 139742460

• 139742460 squared (139742460²) is 19527955126851600
• 139742460 cubed (139742460³) is 2728884488195854638936000
• The square root of 139742460 is 11821.2715052149
• The cube root of 139742460 is 518.9308159531

Scales and comparisons

• 139,742,460 seconds is equal to 4 years, 23 weeks, 9 hours, 21 minutes.
• To count from 1 to 139,742,460 would take you about six 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 139742460 cubic inches would be around 43.2 feet tall.

Recreational maths with 139742460

• 139742460 backwards is 064247931
• 139742460 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 139742460's digits is 36
• More coming soon!