149253840

Names of 149253840

• Cardinal: 149253840 can be written as One hundred forty-nine million, two hundred fifty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.4925384 × 10⁸

Factors of 149253840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 784

Divisors of 149253840

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 31 36 40 45 48 54 60 62 72 80 81 90 93 108 120 124 135 144 155 162 180 186 216 240 248 270 279 310 324 360 372 405 432 465 496 540 558 620 648 720 743 744 810 837 930 1080 1116 1240 1296 1395 1486 1488 1620 1674 1860 2160 2229 2232 2480 2511 2790 2972 3240 3348 3715 3720 4185 4458 4464 5022 5580 5944 6480 6687 6696 7430 7440 8370 8916 10044 11145 11160 11888 12555 13374 13392 14860 16740 17832 20061 20088 22290 22320 23033 25110 26748 29720 33435 33480 35664 40122 40176 44580 46066 50220 53496 59440 60183 66870 66960 69099 80244 89160 92132 100305 100440 106992 115165 120366 133740 138198 160488 178320 184264 200610 200880 207297 230330 240732 267480 276396 300915 320976 345495 368528 401220 414594 460660 481464 534960 552792 601830 621891 690990 802440 829188 921320 962928 1036485 1105584 1203660 1243782 1381980 1604880 1658376 1842640 1865673 2072970 2407320 2487564 2763960 3109455 3316752 3731346 4145940 4814640 4975128 5527920 6218910 7462692 8291880 9328365 9950256 12437820 14925384 16583760 18656730 24875640 29850768 37313460 49751280 74626920 149253840
• Sum of all divisors σ(n): 535822848
• Sum of proper divisors (its aliquot sum) s(n): 386569008
• 149253840 is an abundant number, because the sum of its proper divisors (386569008) is greater than itself. Its abundance is 237315168

Bases of 149253840

• Binary: 1000111001010110111011010000₂
• Hexadecimal: 0x8E56ED0
• Base-36: 2GV100

Squares and roots of 149253840

• 149253840 squared (149253840²) is 22276708754745600
• 149253840 cubed (149253840³) is 3324884324207399023104000
• The square root of 149253840 is 12216.9488825975
• The cube root of 149253840 is 530.4468049029

Scales and comparisons

• 149,253,840 seconds is equal to 4 years, 38 weeks, 5 days, 11 hours, 24 minutes.
• To count from 1 to 149,253,840 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 149253840 cubic inches would be around 44.2 feet tall.

Recreational maths with 149253840

• 149253840 backwards is 048352941
• 149253840 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 149253840's digits is 36
• More coming soon!