28321597440

Names of 28321597440

• Cardinal: 28321597440 can be written as Twenty-eight billion, three hundred twenty-one million, five hundred ninety-seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.832159744 × 10¹⁰

Factors of 28321597440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 18104

Divisors of 28321597440

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 30 32 34 36 40 45 48 51 60 64 68 72 80 85 90 96 102 120 128 136 144 153 160 170 180 192 204 240 255 256 272 288 306 320 340 360 384 408 480 510 512 544 576 612 640 680 720 765 768 816 960 1020 1024 1088 1152 1224 1280 1360 1440 1530 1536 1632 1920 2040 2048 2176 2304 2448 2560 2720 2880 3060 3072 3264 3840 4080 4352 4608 4896 5120 5440 5760 6120 6144 6528 7680 8160 8704 9216 9792 10240 10880 11520 12240 13056 15360 16320 17408 18077 18432 19584 21760 23040 24480 26112 30720 32640 34816 36154 39168 43520 46080 48960 52224 54231 65280 72308 78336 87040 90385 92160 97920 104448 108462 130560 144616 156672 162693 174080 180770 195840 216924 261120 271155 289232 307309 313344 325386 361540 391680 433848 522240 542310 578464 614618 650772 723080 783360 813465 867696 921927 1084620 1156928 1229236 1301544 1446160 1536545 1566720 1626930 1735392 1843854 2169240 2313856 2458472 2603088 2765781 2892320 3073090 3253860 3470784 3687708 4338480 4609635 4627712 4916944 5206176 5531562 5784640 6146180 6507720 6941568 7375416 8676960 9219270 9255424 9833888 10412352 11063124 11569280 12292360 13015440 13828905 13883136 14750832 17353920 18438540 18510848 19667776 20824704 22126248 23138560 24584720 26030880 27657810 27766272 29501664 34707840 36877080 37021696 39335552 41649408 44252496 46277120 49169440 52061760 55315620 55532544 59003328 69415680 73754160 78671104 83298816 88504992 92554240 98338880 104123520 110631240 111065088 118006656 138831360 147508320 157342208 166597632 177009984 185108480 196677760 208247040 221262480 236013312 277662720 295016640 314684416 333195264 354019968 393355520 416494080 442524960 472026624 555325440 590033280 629368832 708039936 786711040 832988160 885049920 944053248 1180066560 1416079872 1573422080 1665976320 1770099840 1888106496 2360133120 2832159744 3146844160 3540199680 4720266240 5664319488 7080399360 9440532480 14160798720 28321597440
• Sum of all divisors σ(n): 103937291640
• Sum of proper divisors (its aliquot sum) s(n): 75615694200
• 28321597440 is an abundant number, because the sum of its proper divisors (75615694200) is greater than itself. Its abundance is 47294096760

Bases of 28321597440

• Binary: 11010011000000110010100100000000000₂
• Hexadecimal: 0x698194800
• Base-36: D0DY4G0

Squares and roots of 28321597440

• 28321597440 squared (28321597440²) is 802112881553414553600
• 28321597440 cubed (28321597440³) is 22717118132794208844496502784000
• The square root of 28321597440 is 168290.2178975355
• The cube root of 28321597440 is 3048.1704494755

Scales and comparisons

• 28,321,597,440 seconds is equal to 900 years, 28 weeks, 6 hours, 24 minutes.
• To count from 1 to 28,321,597,440 would take you about one thousand, eight hundred one 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 28321597440 cubic inches would be around 254 feet tall.

Recreational maths with 28321597440

• 28321597440 backwards is 04479512382
• 28321597440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28321597440's digits is 45
• More coming soon!