149245740

Names of 149245740

• Cardinal: 149245740 can be written as One hundred forty-nine million, two hundred forty-five thousand, seven hundred forty.

Scientific notation

• Scientific notation: 1.4924574 × 10⁸

Factors of 149245740

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 165

Divisors of 149245740

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 41 42 45 54 60 63 70 81 82 84 90 105 107 108 123 126 135 140 162 164 180 189 205 210 214 243 246 252 270 287 315 321 324 369 378 405 410 420 428 486 492 535 540 567 574 615 630 642 738 749 756 810 820 861 945 963 972 1070 1107 1134 1148 1215 1230 1260 1284 1435 1476 1498 1605 1620 1701 1722 1845 1890 1926 2140 2214 2247 2268 2430 2460 2583 2835 2870 2889 2996 3210 3321 3402 3444 3690 3745 3780 3852 4305 4387 4428 4494 4815 4860 5166 5535 5670 5740 5778 6420 6642 6741 6804 7380 7490 7749 8505 8610 8667 8774 8988 9630 9963 10332 11070 11235 11340 11556 12915 13161 13284 13482 14445 14980 15498 16605 17010 17220 17334 17548 19260 19926 20223 21935 22140 22470 23247 25830 26001 26322 26964 28890 30709 30996 33210 33705 34020 34668 38745 39483 39852 40446 43335 43870 44940 46494 49815 51660 52002 52644 57780 60669 61418 65805 66420 67410 69741 77490 78966 80892 86670 87740 92127 92988 99630 101115 104004 116235 118449 121338 122836 130005 131610 134820 139482 153545 154980 157932 173340 182007 184254 197415 199260 202230 232470 236898 242676 260010 263220 276381 278964 303345 307090 348705 355347 364014 368508 394830 404460 460635 464940 473796 520020 552762 592245 606690 614180 697410 710694 728028 789660 829143 910035 921270 1066041 1105524 1184490 1213380 1381905 1394820 1421388 1658286 1776735 1820070 1842540 2132082 2368980 2487429 2763810 3316572 3553470 3640140 4145715 4264164 4974858 5330205 5527620 7106940 7462287 8291430 9949716 10660410 12437145 14924574 16582860 21320820 24874290 29849148 37311435 49748580 74622870 149245740
• Sum of all divisors σ(n): 554770944
• Sum of proper divisors (its aliquot sum) s(n): 405525204
• 149245740 is an abundant number, because the sum of its proper divisors (405525204) is greater than itself. Its abundance is 256279464

Bases of 149245740

• Binary: 1000111001010100111100101100₂
• Hexadecimal: 0x8E54F2C
• Base-36: 2GUUR0

Squares and roots of 149245740

• 149245740 squared (149245740²) is 22274290908147600
• 149245740 cubed (149245740³) is 3324343029561760591224000
• The square root of 149245740 is 12216.6173714331
• The cube root of 149245740 is 530.4372089537

Scales and comparisons

• 149,245,740 seconds is equal to 4 years, 38 weeks, 5 days, 9 hours, 9 minutes.
• To count from 1 to 149,245,740 would take you about 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 149245740 cubic inches would be around 44.2 feet tall.

Recreational maths with 149245740

• 149245740 backwards is 047542941
• 149245740 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 149245740's digits is 36
• More coming soon!