139470240

Names of 139470240

• Cardinal: 139470240 can be written as One hundred thirty-nine million, four hundred seventy thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.3947024 × 10⁸

Factors of 139470240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 164

Divisors of 139470240

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 31 32 35 39 40 42 48 52 56 60 62 65 70 78 80 84 91 93 96 103 104 105 112 120 124 130 140 155 156 160 168 182 186 195 206 208 210 217 224 240 248 260 273 280 309 310 312 336 364 372 390 403 412 416 420 434 455 465 480 496 515 520 546 560 618 620 624 651 672 721 728 744 780 806 824 840 868 910 930 992 1030 1040 1085 1092 1120 1209 1236 1240 1248 1302 1339 1365 1442 1456 1488 1545 1560 1612 1648 1680 1736 1820 1860 2015 2060 2080 2163 2170 2184 2418 2472 2480 2604 2678 2730 2821 2884 2912 2976 3090 3120 3193 3224 3255 3296 3360 3472 3605 3640 3720 4017 4030 4120 4326 4340 4368 4836 4944 4960 5208 5356 5460 5642 5768 6045 6180 6240 6386 6448 6510 6695 6944 7210 7280 7440 8034 8060 8240 8463 8652 8680 8736 9373 9579 9672 9888 10416 10712 10815 10920 11284 11536 12090 12360 12772 12896 13020 13390 14105 14420 14560 14880 15965 16068 16120 16480 16926 17304 17360 18746 19158 19344 20085 20832 21424 21630 21840 22351 22568 23072 24180 24720 25544 26040 26780 28119 28210 28840 31930 32136 32240 33852 34608 34720 37492 38316 38688 40170 41509 42315 42848 43260 43680 44702 45136 46865 47895 48360 49440 51088 52080 53560 56238 56420 57680 63860 64272 64480 67053 67704 69216 74984 76632 80340 83018 84630 86520 89404 90272 93730 95790 96720 102176 104160 107120 111755 112476 112840 115360 124527 127720 128544 134106 135408 140595 149968 153264 160680 166036 169260 173040 178808 187460 191580 193440 207545 214240 223510 224952 225680 249054 255440 268212 270816 281190 290563 299936 306528 321360 332072 335265 338520 346080 357616 374920 383160 415090 447020 449904 451360 498108 510880 536424 562380 581126 622635 642720 664144 670530 677040 715232 749840 766320 830180 871689 894040 899808 996216 1072848 1124760 1162252 1245270 1328288 1341060 1354080 1452815 1499680 1532640 1660360 1743378 1788080 1992432 2145696 2249520 2324504 2490540 2682120 2905630 3320720 3486756 3576160 3984864 4358445 4499040 4649008 4981080 5364240 5811260 6641440 6973512 8716890 9298016 9962160 10728480 11622520 13947024 17433780 19924320 23245040 27894048 34867560 46490080 69735120 139470240
• Sum of all divisors σ(n): 563576832
• Sum of proper divisors (its aliquot sum) s(n): 424106592
• 139470240 is an abundant number, because the sum of its proper divisors (424106592) is greater than itself. Its abundance is 284636352

Bases of 139470240

• Binary: 1000010100000010010110100000₂
• Hexadecimal: 0x85025A0
• Base-36: 2B1BXC

Squares and roots of 139470240

• 139470240 squared (139470240²) is 19451947845657600
• 139470240 cubed (139470240³) is 2712967834501348429824000
• The square root of 139470240 is 11809.7519025591
• The cube root of 139470240 is 518.5936357487

Scales and comparisons

• 139,470,240 seconds is equal to 4 years, 22 weeks, 4 days, 5 hours, 44 minutes.
• To count from 1 to 139,470,240 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 139470240 cubic inches would be around 43.2 feet tall.

Recreational maths with 139470240

• 139470240 backwards is 042074931
• 139470240 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 139470240's digits is 30
• More coming soon!