28913418240

Names of 28913418240

• Cardinal: 28913418240 can be written as Twenty-eight billion, nine hundred thirteen million, four hundred eighteen thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.891341824 × 10¹⁰

Factors of 28913418240

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 17

Divisors of 28913418240

• Number of divisors d(n): 420
• 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 98 105 112 120 128 140 147 160 168 192 196 210 224 240 245 256 280 294 320 336 343 384 392 420 448 480 490 512 560 588 640 672 686 735 768 784 840 896 960 980 1024 1029 1120 1176 1280 1344 1372 1470 1536 1568 1680 1715 1792 1920 1960 2048 2058 2240 2352 2401 2560 2688 2744 2940 3072 3136 3360 3430 3584 3840 3920 4096 4116 4480 4704 4802 5120 5145 5376 5488 5880 6144 6272 6720 6860 7168 7203 7680 7840 8192 8232 8960 9408 9604 10240 10290 10752 10976 11760 12005 12288 12544 13440 13720 14336 14406 15360 15680 16384 16464 16807 17920 18816 19208 20480 20580 21504 21952 23520 24010 24576 25088 26880 27440 28672 28812 30720 31360 32928 33614 35840 36015 37632 38416 40960 41160 43008 43904 47040 48020 49152 50176 50421 53760 54880 57344 57624 61440 62720 65856 67228 71680 72030 75264 76832 81920 82320 84035 86016 87808 94080 96040 100352 100842 107520 109760 114688 115248 117649 122880 125440 131712 134456 143360 144060 150528 153664 164640 168070 172032 175616 188160 192080 200704 201684 215040 219520 230496 235298 245760 250880 252105 263424 268912 286720 288120 301056 307328 329280 336140 344064 351232 352947 376320 384160 401408 403368 430080 439040 460992 470596 501760 504210 526848 537824 573440 576240 588245 602112 614656 658560 672280 702464 705894 752640 768320 802816 806736 860160 878080 921984 941192 1003520 1008420 1053696 1075648 1152480 1176490 1204224 1229312 1317120 1344560 1404928 1411788 1505280 1536640 1613472 1720320 1756160 1764735 1843968 1882384 2007040 2016840 2107392 2151296 2304960 2352980 2408448 2458624 2634240 2689120 2809856 2823576 3010560 3073280 3226944 3512320 3529470 3687936 3764768 4014080 4033680 4214784 4302592 4609920 4705960 4917248 5268480 5378240 5619712 5647152 6021120 6146560 6453888 7024640 7058940 7375872 7529536 8067360 8429568 8605184 9219840 9411920 9834496 10536960 10756480 11294304 12042240 12293120 12907776 14049280 14117880 14751744 15059072 16134720 16859136 17210368 18439680 18823840 19668992 21073920 21512960 22588608 24586240 25815552 28098560 28235760 29503488 30118144 32269440 34420736 36879360 37647680 39337984 42147840 43025920 45177216 49172480 51631104 56471520 59006976 60236288 64538880 68841472 73758720 75295360 84295680 86051840 90354432 98344960 103262208 112943040 118013952 120472576 129077760 137682944 147517440 150590720 172103680 180708864 196689920 206524416 225886080 240945152 258155520 275365888 295034880 301181440 344207360 361417728 413048832 451772160 481890304 516311040 590069760 602362880 688414720 722835456 826097664 903544320 963780608 1032622080 1204725760 1376829440 1445670912 1807088640 1927561216 2065244160 2409451520 2891341824 3614177280 4130488320 4818903040 5782683648 7228354560 9637806080 14456709120 28913418240
• Sum of all divisors σ(n): 107940002856
• Sum of proper divisors (its aliquot sum) s(n): 79026584616
• 28913418240 is an abundant number, because the sum of its proper divisors (79026584616) is greater than itself. Its abundance is 50113166376

Bases of 28913418240

• Binary: 11010111011010111111100000000000000₂
• Hexadecimal: 0x6BB5FC000
• Base-36: DA6AWAO

Squares and roots of 28913418240

• 28913418240 squared (28913418240²) is 835985754321164697600
• 28913418240 cubed (28913418240³) is 24171205757369722185631924224000
• The square root of 28913418240 is 170039.4608318905
• The cube root of 28913418240 is 3069.2562306763
• Being both a perfect square and a perfect cube, 28913418240 is also a perfect sixth number.

Scales and comparisons

• 28,913,418,240 seconds is equal to 919 years, 18 weeks, 4 days, 1 hour, 4 minutes.
• To count from 1 to 28,913,418,240 would take you about one thousand, eight hundred thirty-eight 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 28913418240 cubic inches would be around 255.8 feet tall.

Recreational maths with 28913418240

• 28913418240 backwards is 04281431982
• 28913418240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28913418240's digits is 42
• More coming soon!