28077011820

Names of 28077011820

• Cardinal: 28077011820 can be written as Twenty-eight billion, seventy-seven million, eleven thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 2.807701182 × 10¹⁰

Factors of 28077011820

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1958

Divisors of 28077011820

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 13 15 18 20 22 26 30 33 36 39 44 45 52 53 55 60 65 66 78 90 99 106 110 117 121 130 132 143 156 159 165 180 195 198 212 220 234 242 260 265 286 318 330 363 390 396 429 468 477 484 495 530 572 583 585 605 636 660 689 715 726 780 795 858 954 990 1060 1089 1166 1170 1210 1287 1378 1430 1452 1573 1590 1716 1749 1815 1871 1908 1980 2067 2145 2178 2332 2340 2385 2420 2574 2756 2860 2915 3146 3180 3445 3498 3630 3742 4134 4290 4356 4719 4770 5148 5247 5445 5613 5830 6201 6292 6413 6435 6890 6996 7260 7484 7579 7865 8268 8580 8745 9355 9438 9540 10335 10494 10890 11226 11660 12402 12826 12870 13780 14157 15158 15730 16839 17490 18710 18876 19239 20581 20670 20988 21780 22452 22737 23595 24323 24804 25652 25740 26235 28065 28314 30316 31005 31460 32065 33678 34980 37420 37895 38478 41162 41340 45474 47190 48646 52470 56130 56628 57717 61743 62010 64130 67356 68211 70785 72969 75790 76956 82324 83369 84195 90948 94380 96195 97292 99163 102905 104940 112260 113685 115434 121615 123486 124020 128260 136422 141570 145938 151580 166738 168390 185229 192390 198326 205810 218907 226391 227370 230868 243230 246972 250107 267553 272844 283140 288585 291876 297489 308715 333476 336780 341055 364845 370458 384780 396652 411620 416845 437814 452782 454740 486460 495815 500214 535106 577170 594978 617430 679173 682110 729690 740916 750321 802659 833690 875628 892467 905564 926145 991630 1000428 1070212 1090793 1094535 1131955 1154340 1189956 1234860 1250535 1289119 1337765 1358346 1364220 1459380 1487445 1500642 1605318 1667380 1784934 1852290 1983260 2037519 2181586 2189070 2263910 2407977 2501070 2578238 2675530 2716692 2943083 2974890 3001284 3210636 3272379 3395865 3569868 3704580 3751605 3867357 4013295 4075038 4363172 4378140 4462335 4527820 4815954 5002140 5156476 5351060 5453965 5886166 5949780 6445595 6544758 6791730 7503210 7734714 8026590 8150076 8829249 8924670 9631908 9817137 10187595 10907930 11602071 11772332 11998723 12039885 12891190 13089516 13583460 14180309 14715415 15006420 15469428 16053180 16361895 17658498 17849340 19336785 19634274 20375190 21815860 23204142 23997446 24079770 25782380 26487747 28360618 29430830 32723790 35316996 35996169 38673570 39268548 40750380 42540927 44146245 46408284 47994892 48159540 49085685 52975494 56721236 58010355 58861660 59993615 65447580 70901545 71992338 77347140 85081854 88292490 98171370 105950988 107988507 116020710 119987230 127622781 132438735 141803090 143984676 155983399 170163708 176584980 179980845 196342740 212704635 215977014 232041420 239974460 255245562 264877470 283606180 311966798 359961690 425409270 431954028 467950197 510491124 529754940 539942535 623933596 638113905 719923380 779916995 850818540 935900394 1079885070 1276227810 1403850591 1559833990 1871800788 2159770140 2339750985 2552455620 2807701182 3119667980 4679501970 5615402364 7019252955 9359003940 14038505910 28077011820
• Sum of all divisors σ(n): 102771317376
• Sum of proper divisors (its aliquot sum) s(n): 74694305556
• 28077011820 is an abundant number, because the sum of its proper divisors (74694305556) is greater than itself. Its abundance is 46617293736

Bases of 28077011820

• Binary: 11010001001100001010011001101101100₂
• Hexadecimal: 0x68985336C
• Base-36: CWCBSZ0

Squares and roots of 28077011820

• 28077011820 squared (28077011820²) is 788318592740419712400
• 28077011820 cubed (28077011820³) is 22133630446298530456815800568000
• The square root of 28077011820 is 167561.9641207395
• The cube root of 28077011820 is 3039.3703905893

Scales and comparisons

• 28,077,011,820 seconds is equal to 892 years, 39 weeks, 4 days, 9 hours, 57 minutes.
• To count from 1 to 28,077,011,820 would take you about one thousand, seven hundred eighty-five 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 28077011820 cubic inches would be around 253.3 feet tall.

Recreational maths with 28077011820

• 28077011820 backwards is 02811077082
• 28077011820 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28077011820's digits is 36
• More coming soon!