149978880

Names of 149978880

• Cardinal: 149978880 can be written as One hundred forty-nine million, nine hundred seventy-eight thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.4997888 × 10⁸

Factors of 149978880

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 334

Divisors of 149978880

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 47 48 60 64 72 80 90 94 96 120 128 141 144 160 180 188 192 235 240 256 277 282 288 320 360 376 384 423 470 480 554 564 576 640 705 720 752 768 831 846 940 960 1108 1128 1152 1280 1385 1410 1440 1504 1662 1692 1880 1920 2115 2216 2256 2304 2493 2770 2820 2880 3008 3324 3384 3760 3840 4155 4230 4432 4512 4986 5540 5640 5760 6016 6648 6768 7520 8310 8460 8864 9024 9972 11080 11280 11520 12032 12465 13019 13296 13536 15040 16620 16920 17728 18048 19944 22160 22560 24930 26038 26592 27072 30080 33240 33840 35456 36096 39057 39888 44320 45120 49860 52076 53184 54144 60160 65095 66480 67680 70912 78114 79776 88640 90240 99720 104152 106368 108288 117171 130190 132960 135360 156228 159552 177280 180480 195285 199440 208304 212736 234342 260380 265920 270720 312456 319104 354560 390570 398880 416608 468684 520760 531840 541440 585855 624912 638208 781140 797760 833216 937368 1041520 1063680 1171710 1249824 1562280 1595520 1666432 1874736 2083040 2343420 2499648 3124560 3191040 3332864 3749472 4166080 4686840 4999296 6249120 7498944 8332160 9373680 9998592 12498240 14997888 16664320 18747360 24996480 29995776 37494720 49992960 74989440 149978880
• Sum of all divisors σ(n): 531865152
• Sum of proper divisors (its aliquot sum) s(n): 381886272
• 149978880 is an abundant number, because the sum of its proper divisors (381886272) is greater than itself. Its abundance is 231907392

Bases of 149978880

• Binary: 1000111100000111111100000000₂
• Hexadecimal: 0x8F07F00
• Base-36: 2HAKG0

Squares and roots of 149978880

• 149978880 squared (149978880²) is 22493664446054400
• 149978880 cubed (149978880³) is 3373574600715059331072000
• The square root of 149978880 is 12246.5864631741
• The cube root of 149978880 is 531.3043463665

Scales and comparisons

• 149,978,880 seconds is equal to 4 years, 39 weeks, 6 days, 20 hours, 48 minutes.
• To count from 1 to 149,978,880 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 149978880 cubic inches would be around 44.3 feet tall.

Recreational maths with 149978880

• 149978880 backwards is 088879941
• The number of decimal digits it has is: 9
• The sum of 149978880's digits is 54
• More coming soon!