28007476380

Names of 28007476380

• Cardinal: 28007476380 can be written as Twenty-eight billion, seven million, four hundred seventy-six thousand, three hundred eighty.

Scientific notation

• Scientific notation: 2.800747638 × 10¹⁰

Factors of 28007476380

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 211

Divisors of 28007476380

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 31 36 39 41 43 45 52 54 60 62 65 73 78 82 86 90 93 108 117 123 124 129 130 135 146 155 156 164 172 180 186 195 205 215 219 234 246 258 260 270 279 292 310 351 365 369 372 387 390 403 410 430 438 465 468 492 516 533 540 558 559 585 615 620 645 657 702 730 738 774 780 806 820 837 860 876 930 949 1066 1095 1107 1116 1118 1161 1170 1209 1230 1271 1290 1314 1333 1395 1404 1460 1476 1548 1599 1612 1674 1677 1755 1763 1845 1860 1898 1935 1971 2015 2132 2190 2214 2236 2263 2322 2340 2418 2460 2542 2580 2628 2665 2666 2790 2795 2847 2993 3139 3198 3285 3348 3354 3510 3526 3627 3690 3796 3813 3870 3942 3999 4030 4185 4380 4428 4526 4644 4745 4797 4836 5031 5084 5289 5330 5332 5535 5580 5590 5694 5805 5986 6045 6278 6355 6396 6570 6665 6708 6789 7020 7052 7254 7380 7626 7740 7884 7995 7998 8060 8370 8385 8541 8815 8979 9052 9417 9490 9594 9855 10062 10578 10660 10881 11070 11180 11315 11388 11439 11610 11972 11997 12090 12556 12710 13140 13330 13578 14235 14391 14508 14965 15093 15252 15695 15867 15990 15996 16523 16740 16770 17082 17329 17630 17958 18135 18834 18980 19065 19188 19710 19995 20124 20367 21156 21762 22140 22630 22878 22919 23220 23985 23994 24180 25155 25420 25623 26445 26660 26937 27156 28251 28470 28782 29419 29930 30186 31390 31734 31980 33046 33540 33945 34164 34317 34658 35260 35916 35991 36270 37668 38130 38909 39420 39990 40734 40807 42705 43524 44895 45260 45756 45838 47085 47601 47970 47988 49569 50310 51246 51987 52890 53874 54405 54653 56502 56940 57195 57564 58838 59860 59985 60372 61101 62780 63468 66092 67890 68634 68757 69316 71955 71982 72540 75465 76260 77818 79335 79980 80811 81468 81614 82615 84753 85410 86645 88257 89790 91676 92783 94170 95202 95940 97309 99138 100620 101835 102492 103974 105780 107748 108810 109306 113004 114390 114595 116727 117676 119970 122202 122421 128115 128699 134685 135780 137268 137514 141255 143910 143964 147095 148707 150930 155636 155961 158670 161622 163228 163959 165230 169506 170820 171585 173290 176514 179580 179955 185566 188340 190404 194545 194618 198276 203670 204035 206271 207948 217620 218612 228780 229190 233454 238005 239940 244404 244842 247845 256230 257398 259935 264771 269370 273265 275028 278349 282510 287820 291927 294190 297414 301860 305505 311922 317340 323244 327918 330460 339012 343170 343785 346580 350181 353028 359910 367263 371132 386097 389090 389236 404055 407340 408070 412542 423765 441285 446121 458380 463915 466908 467883 476010 486545 489684 491877 495690 512460 514796 519870 529542 538740 546530 556698 565020 583635 583854 588380 594828 611010 612105 618813 623844 643495 655836 686340 687570 700362 710489 719820 734526 743535 772194 778180 779805 794313 808110 816140 819795 825084 835047 847530 875781 882570 892242 927830 935766 952020 973090 983754 991380 1031355 1039740 1050543 1059084 1093060 1101789 1113396 1158291 1167270 1167708 1206179 1222020 1224210 1237626 1265017 1286990 1323855 1375140 1391745 1400724 1420978 1459635 1469052 1475631 1487070 1544388 1559610 1588626 1616220 1639590 1670094 1673087 1695060 1750905 1751562 1765140 1784484 1836315 1855660 1871532 1930485 1946180 1967508 2062710 2101086 2131467 2203578 2230605 2316582 2334540 2339415 2412358 2448420 2459385 2475252 2505141 2530034 2573980 2627343 2647710 2783490 2841956 2919270 2951262 2974140 3094065 3119220 3177252 3279180 3340188 3346174 3474873 3501810 3503124 3552445 3618537 3672630 3795051 3860970 3971565 3989669 4125420 4175235 4202172 4262934 4378905 4407156 4461210 4633164 4678830 4824716 4918770 5010282 5019261 5060068 5252715 5254686 5295420 5508945 5566980 5791455 5838540 5902524 6030895 6188130 6325085 6394401 6692348 6949746 7003620 7104890 7237074 7345260 7378155 7590102 7721940 7943130 7979338 8350470 8365435 8525868 8757810 8922420 9357660 9837540 10020564 10038522 10505430 10509372 10657335 10855611 11017890 11385153 11582910 11969007 12061790 12376260 12525705 12650170 12788802 13136715 13899492 14209780 14474148 14756310 15057783 15180204 15886260 15958676 16700940 16730870 17374365 17515620 18092685 18975255 19183203 19948345 20077044 21010860 21314670 21711222 22035780 22770306 23165820 23938014 24123580 25051410 25096305 25300340 25577604 26273430 29512620 30115566 31972005 32566833 33461740 34155459 34748730 35907021 36185370 37950510 38366406 39896690 42629340 43422444 45173349 45540612 47876028 50102820 50192610 51865697 52546860 54278055 56925765 59845035 60231132 63944010 65133666 68310918 69497460 71814042 72370740 75288915 75901020 76732812 79793380 90346698 95916015 100385220 103731394 107721063 108556110 113851530 119690070 127888020 130267332 136621836 143628084 150577830 155597091 162834165 170777295 179535105 180693396 191832030 207462788 215442126 217112220 225866745 227703060 239380140 259328485 301155660 311194182 325668330 341554590 359070210 383664060 430884252 451733490 466791273 518656970 538605315 622388364 651336660 683109180 718140420 777985455 903466980 933582546 1037313940 1077210630 1400373819 1555970910 1867165092 2154421260 2333956365 2800747638 3111941820 4667912730 5601495276 7001869095 9335825460 14003738190 28007476380
• Sum of all divisors σ(n): 102925025280
• Sum of proper divisors (its aliquot sum) s(n): 74917548900
• 28007476380 is an abundant number, because the sum of its proper divisors (74917548900) is greater than itself. Its abundance is 46910072520

Bases of 28007476380

• Binary: 11010000101011000000010110010011100₂
• Hexadecimal: 0x685602C9C
• Base-36: CV6XF30

Squares and roots of 28007476380

• 28007476380 squared (28007476380²) is 784418733176257904400
• 28007476380 cubed (28007476380³) is 21969589141463565634271298072000
• The square root of 28007476380 is 167354.3437739219
• The cube root of 28007476380 is 3036.8592179795

Scales and comparisons

• 28,007,476,380 seconds is equal to 890 years, 28 weeks, 4 days, 14 hours, 33 minutes.
• To count from 1 to 28,007,476,380 would take you about one thousand, seven hundred eighty-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 28007476380 cubic inches would be around 253.1 feet tall.

Recreational maths with 28007476380

• 28007476380 backwards is 08367470082
• 28007476380 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28007476380's digits is 45
• More coming soon!