20402620736

Names of 20402620736

• Cardinal: 20402620736 can be written as Twenty billion, four hundred two million, six hundred twenty thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 2.0402620736 × 10¹⁰

Factors of 20402620736

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 443

Divisors of 20402620736

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 8 16 19 31 32 38 41 43 62 64 76 82 86 124 152 164 172 248 304 307 328 344 496 589 608 614 656 688 779 817 992 1178 1216 1228 1271 1312 1333 1376 1558 1634 1763 1984 2356 2456 2542 2624 2666 2752 3116 3268 3526 4712 4912 5084 5332 5833 6232 6536 7052 9424 9517 9824 10168 10664 11666 12464 12587 13072 13201 14104 18848 19034 19648 20336 21328 23332 24149 24928 25174 25327 26144 26402 28208 33497 37696 38068 40672 42656 46664 48298 49856 50348 50654 52288 52804 54653 56416 66994 76136 81344 85312 93328 96596 100696 101308 105608 109306 112832 133988 152272 180823 186656 193192 201392 202616 211216 218612 239153 250819 267976 304544 361646 373312 386384 390197 402784 405232 409231 422432 437224 478306 501638 535952 541241 609088 723292 772768 780394 805568 810464 818462 844864 874448 956612 1003276 1038407 1071904 1082482 1446584 1545536 1560788 1620928 1636924 1748896 1913224 2006552 2076814 2143808 2164964 2893168 3121576 3273848 3497792 3826448 4013104 4153628 4329928 5786336 6243152 6547696 7413743 7652896 7775389 8026208 8307256 8659856 10283579 11572672 12486304 13095392 14827486 15305792 15550778 16052416 16614512 16778471 17319712 20567158 24972608 26190784 29654972 31101556 33229024 33556942 34639424 41134316 59309944 62203112 66458048 67113884 82268632 118619888 124406224 134227768 164537264 237239776 248812448 268455536 318790949 329074528 474479552 497624896 536911072 637581898 658149056 1073822144 1275163796 2550327592 5100655184 10201310368 20402620736
• Sum of all divisors σ(n): 46263275520
• Sum of proper divisors (its aliquot sum) s(n): 25860654784
• 20402620736 is an abundant number, because the sum of its proper divisors (25860654784) is greater than itself. Its abundance is 5458034048

Bases of 20402620736

• Binary: 10011000000000101110100100101000000₂
• Hexadecimal: 0x4C0174940
• Base-36: 9DF6YWW

Squares and roots of 20402620736

• 20402620736 squared (20402620736²) is 416266932897057181696
• 20402620736 cubed (20402620736³) is 8492936356836619408648529248256
• The square root of 20402620736 is 142837.7426872883
• The cube root of 20402620736 is 2732.5114189995

Scales and comparisons

• 20,402,620,736 seconds is equal to 648 years, 38 weeks, 3 days, 10 hours, 38 minutes, 56 seconds.
• To count from 1 to 20,402,620,736 would take you about one thousand, two hundred ninety-seven 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 20402620736 cubic inches would be around 227.7 feet tall.

Recreational maths with 20402620736

• 20402620736 backwards is 63702620402
• 20402620736 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20402620736's digits is 32
• More coming soon!