28149582720

Names of 28149582720

• Cardinal: 28149582720 can be written as Twenty-eight billion, one hundred forty-nine million, five hundred eighty-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.814958272 × 10¹⁰

Factors of 28149582720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 564

Divisors of 28149582720

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 49 56 60 64 70 80 84 96 98 105 112 120 128 140 147 160 168 192 196 210 224 240 245 280 294 320 336 384 392 420 448 480 490 547 560 588 640 672 735 784 840 896 960 980 1094 1120 1176 1344 1470 1568 1641 1680 1920 1960 2188 2240 2352 2688 2735 2940 3136 3282 3360 3829 3920 4376 4480 4704 5470 5880 6272 6564 6720 7658 7840 8205 8752 9408 10940 11487 11760 13128 13440 15316 15680 16410 17504 18816 19145 21880 22974 23520 26256 26803 30632 31360 32820 35008 38290 43760 45948 47040 52512 53606 57435 61264 65640 70016 76580 80409 87520 91896 94080 105024 107212 114870 122528 131280 134015 153160 160818 175040 183792 210048 214424 229740 245056 262560 268030 299209 306320 321636 350080 367584 402045 428848 459480 490112 525120 536060 598418 612640 643272 735168 804090 857696 897627 918960 1050240 1072120 1196836 1225280 1286544 1470336 1496045 1608180 1715392 1795254 1837920 2094463 2144240 2393672 2450560 2573088 2992090 3216360 3430784 3590508 3675840 4188926 4288480 4488135 4787344 5146176 5984180 6283389 6432720 7181016 7351680 8377852 8576960 8976270 9574688 10292352 10472315 11968360 12566778 12865440 14362032 14661241 16755704 17153920 17952540 19149376 20944630 23936720 25133556 25730880 28724064 29322482 31416945 33511408 35905080 38298752 41889260 43983723 47873440 50267112 51461760 57448128 58644964 62833890 67022816 71810160 73306205 83778520 87967446 95746880 100534224 114896256 117289928 125667780 134045632 143620320 146612410 167557040 175934892 191493760 201068448 219918615 234579856 251335560 268091264 287240640 293224820 335114080 351869784 402136896 439837230 469159712 502671120 574481280 586449640 670228160 703739568 804273792 879674460 938319424 1005342240 1172899280 1340456320 1407479136 1759348920 1876638848 2010684480 2345798560 2814958272 3518697840 4021368960 4691597120 5629916544 7037395680 9383194240 14074791360 28149582720
• Sum of all divisors σ(n): 104567231880
• Sum of proper divisors (its aliquot sum) s(n): 76417649160
• 28149582720 is an abundant number, because the sum of its proper divisors (76417649160) is greater than itself. Its abundance is 48268066440

Bases of 28149582720

• Binary: 11010001101110110001000101110000000₂
• Hexadecimal: 0x68DD88B80
• Base-36: CXJJ91C

Squares and roots of 28149582720

• 28149582720 squared (28149582720²) is 792399007310122598400
• 28149582720 cubed (28149582720³) is 22305701403522180777002139648000
• The square root of 28149582720 is 167778.3738149825
• The cube root of 28149582720 is 3041.9867668407

Scales and comparisons

• 28,149,582,720 seconds is equal to 895 years, 3 weeks, 4 days, 8 hours, 32 minutes.
• To count from 1 to 28,149,582,720 would take you about one thousand, seven hundred ninety 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 28149582720 cubic inches would be around 253.5 feet tall.

Recreational maths with 28149582720

• 28149582720 backwards is 02728594182
• 28149582720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28149582720's digits is 48
• More coming soon!