21132417528

Names of 21132417528

• Cardinal: 21132417528 can be written as Twenty-one billion, one hundred thirty-two million, four hundred seventeen thousand, five hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1132417528 × 10¹⁰

Factors of 21132417528

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 234

Divisors of 21132417528

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 17 18 24 31 34 36 51 62 68 72 93 102 124 136 153 181 186 204 248 279 289 306 362 372 408 527 543 558 578 612 724 744 867 1054 1086 1116 1156 1224 1448 1581 1629 1734 2108 2172 2232 2312 2601 3077 3162 3258 3468 4216 4344 4743 5202 5611 6154 6324 6516 6936 8959 9231 9486 10404 11222 12308 12648 13032 16833 17918 18462 18972 20808 22444 24616 26877 27693 32761 33666 35836 36924 37944 44888 50499 52309 53754 55386 65522 67332 71672 73848 80631 95387 98283 100998 104618 107508 110772 131044 134664 156927 161262 190774 196566 201996 209236 215016 221544 262088 286161 294849 313854 322524 381548 393132 403992 418472 470781 556937 572322 589698 627708 645048 763096 786264 858483 941562 1015591 1113874 1144644 1179396 1255416 1621579 1670811 1716966 1883124 2031182 2227748 2289288 2358792 3046773 3243158 3341622 3433932 3766248 4062364 4455496 4864737 5012433 6093546 6486316 6683244 6867864 8124728 9140319 9467929 9729474 10024866 12187092 12972632 13366488 14594211 17265047 18280638 18935858 19458948 20049732 24374184 28403787 29188422 34530094 36561276 37871716 38917896 40099464 51795141 56807574 58376844 69060188 73122552 75743432 85211361 103590282 113615148 116753688 138120376 155385423 170422722 207180564 227230296 293505799 310770846 340845444 414361128 587011598 621541692 681690888 880517397 1174023196 1243083384 1761034794 2348046392 2641552191 3522069588 5283104382 7044139176 10566208764 21132417528
• Sum of all divisors σ(n): 63108246240
• Sum of proper divisors (its aliquot sum) s(n): 41975828712
• 21132417528 is an abundant number, because the sum of its proper divisors (41975828712) is greater than itself. Its abundance is 20843411184

Bases of 21132417528

• Binary: 10011101011100101110001100111111000₂
• Hexadecimal: 0x4EB9719F8
• Base-36: 9PHP1Q0

Squares and roots of 21132417528

• 21132417528 squared (21132417528²) is 446579070577721630784
• 21132417528 cubed (21132417528³) is 9437295378714593676684545981952
• The square root of 21132417528 is 145369.9333700061
• The cube root of 21132417528 is 2764.7109180273

Scales and comparisons

• 21,132,417,528 seconds is equal to 671 years, 49 weeks, 1 day, 3 hours, 58 minutes, 48 seconds.
• To count from 1 to 21,132,417,528 would take you about one thousand, three hundred forty-three 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 21132417528 cubic inches would be around 230.4 feet tall.

Recreational maths with 21132417528

• 21132417528 backwards is 82571423112
• 21132417528 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21132417528's digits is 36
• More coming soon!