221397951240

Names of 221397951240

• Cardinal: 221397951240 can be written as Two hundred twenty-one billion, three hundred ninety-seven million, nine hundred fifty-one thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.2139795124 × 10¹¹

Factors of 221397951240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 990362

Divisors of 221397951240

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 23 24 27 30 36 40 45 46 54 60 69 72 81 90 92 108 115 120 135 138 162 180 184 207 216 230 243 270 276 324 345 360 405 414 460 486 540 552 621 648 690 810 828 920 972 1035 1080 1215 1242 1380 1620 1656 1863 1944 2070 2430 2484 2760 3105 3240 3726 4140 4860 4968 5589 6210 7452 8280 9315 9720 11178 12420 14904 18630 22356 24840 27945 37260 44712 55890 74520 111780 223560 990329 1980658 2970987 3961316 4951645 5941974 7922632 8912961 9903290 11883948 14854935 17825922 19806580 22777567 23767896 26738883 29709870 35651844 39613160 44564805 45555134 53477766 59419740 68332701 71303688 80216649 89129610 91110268 106955532 113887835 118839480 133694415 136665402 160433298 178259220 182220536 204998103 213911064 227775670 240649947 267388830 273330804 320866596 341663505 356518440 401083245 409996206 455551340 481299894 534777660 546661608 614994309 641733192 683327010 802166490 819992412 911102680 962599788 1024990515 1069555320 1203249735 1229988618 1366654020 1604332980 1639984824 1844982927 1925199576 2049981030 2406499470 2459977236 2733308040 3074971545 3208665960 3689965854 4099962060 4812998940 4919954472 5534948781 6149943090 7379931708 8199924120 9224914635 9625997880 11069897562 12299886180 14759863416 18449829270 22139795124 24599772360 27674743905 36899658540 44279590248 55349487810 73799317080 110698975620 221397951240
• Sum of all divisors σ(n): 778637059200
• Sum of proper divisors (its aliquot sum) s(n): 557239107960
• 221397951240 is an abundant number, because the sum of its proper divisors (557239107960) is greater than itself. Its abundance is 335841156720

Bases of 221397951240

• Binary: 11001110001100010110001010001100001000₂
• Hexadecimal: 0x338C58A308
• Base-36: 2TPIMGI0

Squares and roots of 221397951240

• 221397951240 squared (221397951240²) is 49017052813269417537600
• 221397951240 cubed (221397951240³) is 10852275068680727328972765666624000
• The square root of 221397951240 is 470529.4371662627
• The cube root of 221397951240 is 6049.5703653197

Scales and comparisons

• 221,397,951,240 seconds is equal to 7,039 years, 40 weeks, 6 hours, 54 minutes.
• To count from 1 to 221,397,951,240 would take you about fourteen thousand and seventy-nine 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 221397951240 cubic inches would be around 504.1 feet tall.

Recreational maths with 221397951240

• 221397951240 backwards is 042159793122
• 221397951240 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 221397951240's digits is 45
• More coming soon!