28400094720

Names of 28400094720

• Cardinal: 28400094720 can be written as Twenty-eight billion, four hundred million, ninety-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.840009472 × 10¹⁰

Factors of 28400094720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 651

Divisors of 28400094720

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 256 270 288 320 360 384 432 480 512 540 576 640 641 720 768 864 960 1080 1152 1280 1282 1440 1536 1728 1920 1923 2160 2304 2560 2564 2880 3205 3456 3840 3846 4320 4608 5128 5760 5769 6410 6912 7680 7692 8640 9615 10256 11520 11538 12820 13824 15384 17280 17307 19230 20512 23040 23076 25640 28845 30768 34560 34614 38460 41024 46152 51280 57690 61536 69120 69228 76920 82048 86535 92304 102560 115380 123072 138456 153840 164096 173070 184608 205120 230760 246144 276912 307680 328192 346140 369216 410240 410881 461520 492288 553824 615360 692280 738432 820480 821762 923040 984576 1107648 1230720 1232643 1384560 1476864 1640960 1643524 1846080 2054405 2215296 2461440 2465286 2769120 2953728 3287048 3692160 3697929 4108810 4430592 4922880 4930572 5538240 6163215 6574096 7384320 7395858 8217620 8861184 9861144 11076480 11093787 12326430 13148192 14768640 14791716 16435240 18489645 19722288 22152960 22187574 24652860 26296384 29583432 32870480 36979290 39444576 44305920 44375148 49305720 52592768 55468935 59166864 65740960 73958580 78889152 88750296 98611440 105185536 110937870 118333728 131481920 147917160 157778304 177500592 197222880 210371072 221875740 236667456 262963840 295834320 315556608 355001184 394445760 443751480 473334912 525927680 591668640 631113216 710002368 788891520 887502960 946669824 1051855360 1183337280 1420004736 1577783040 1775005920 1893339648 2366674560 2840009472 3155566080 3550011840 4733349120 5680018944 7100023680 9466698240 14200047360 28400094720
• Sum of all divisors σ(n): 101037126960
• Sum of proper divisors (its aliquot sum) s(n): 72637032240
• 28400094720 is an abundant number, because the sum of its proper divisors (72637032240) is greater than itself. Its abundance is 44236937520

Bases of 28400094720

• Binary: 11010011100110001110000111000000000₂
• Hexadecimal: 0x69CC70E00
• Base-36: D1OOLC0

Squares and roots of 28400094720

• 28400094720 squared (28400094720²) is 806565380104971878400
• 28400094720 cubed (28400094720³) is 22906533192854004889496322048000
• The square root of 28400094720 is 168523.2764931895
• The cube root of 28400094720 is 3050.9839956851

Scales and comparisons

• 28,400,094,720 seconds is equal to 903 years, 1 week, 5 days, 19 hours, 12 minutes.
• To count from 1 to 28,400,094,720 would take you about one thousand, eight hundred six 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 28400094720 cubic inches would be around 254.2 feet tall.

Recreational maths with 28400094720

• 28400094720 backwards is 02749000482
• 28400094720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28400094720's digits is 36
• More coming soon!