147421440

Names of 147421440

• Cardinal: 147421440 can be written as One hundred forty-seven million, four hundred twenty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.4742144 × 10⁸

Factors of 147421440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 268

Divisors of 147421440

• 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 48 60 64 67 72 80 90 96 120 128 134 144 160 180 191 192 201 240 256 268 288 320 335 360 382 384 402 480 536 573 576 603 640 670 720 764 768 804 955 960 1005 1072 1146 1152 1206 1280 1340 1440 1528 1608 1719 1910 1920 2010 2144 2292 2304 2412 2680 2865 2880 3015 3056 3216 3438 3820 3840 4020 4288 4584 4824 5360 5730 5760 6030 6112 6432 6876 7640 8040 8576 8595 9168 9648 10720 11460 11520 12060 12224 12797 12864 13752 15280 16080 17152 17190 18336 19296 21440 22920 24120 24448 25594 25728 27504 30560 32160 34380 36672 38391 38592 42880 45840 48240 48896 51188 51456 55008 61120 63985 64320 68760 73344 76782 77184 85760 91680 96480 102376 110016 115173 122240 127970 128640 137520 146688 153564 154368 183360 191955 192960 204752 220032 230346 244480 255940 257280 275040 307128 366720 383910 385920 409504 440064 460692 511880 550080 575865 614256 733440 767820 771840 819008 921384 1023760 1100160 1151730 1228512 1535640 1638016 1842768 2047520 2200320 2303460 2457024 3071280 3276032 3685536 4095040 4606920 4914048 6142560 7371072 8190080 9213840 9828096 12285120 14742144 16380160 18427680 24570240 29484288 36855360 49140480 73710720 147421440
• Sum of all divisors σ(n): 520386048
• Sum of proper divisors (its aliquot sum) s(n): 372964608
• 147421440 is an abundant number, because the sum of its proper divisors (372964608) is greater than itself. Its abundance is 225543168

Bases of 147421440

• Binary: 1000110010010111100100000000₂
• Hexadecimal: 0x8C97900
• Base-36: 2FRR40

Squares and roots of 147421440

• 147421440 squared (147421440²) is 21733080971673600
• 147421440 cubed (147421440³) is 3203922092480721321984000
• The square root of 147421440 is 12141.7231067093
• The cube root of 147421440 is 528.2670825075

Scales and comparisons

• 147,421,440 seconds is equal to 4 years, 35 weeks, 5 days, 6 hours, 24 minutes.
• To count from 1 to 147,421,440 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 147421440 cubic inches would be around 44 feet tall.

Recreational maths with 147421440

• 147421440 backwards is 044124741
• The number of decimal digits it has is: 9
• The sum of 147421440's digits is 27
• More coming soon!