121129021013

Names of 121129021013

• Cardinal: 121129021013 can be written as One hundred twenty-one billion, one hundred twenty-nine million, twenty-one thousand and thirteen.

Scientific notation

• Scientific notation: 1.21129021013 × 10¹¹

Factors of 121129021013

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1960

Divisors of 121129021013

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 11 13 49 77 79 91 127 143 539 553 637 869 889 1001 1027 1397 1651 1723 3871 6083 6223 7007 7189 9779 10033 11297 11557 12061 18161 18953 22399 42581 50323 68453 70231 79079 80899 84427 110363 127127 130429 132671 136117 156793 218821 246389 491617 553553 772541 889889 913003 928697 952819 1097551 1434719 1497287 1531747 1724723 1769521 2407031 2844673 5407787 6391021 6669733 10043033 10481009 10722229 12073061 12386647 16849217 17286859 19464731 19912711 31291403 70301231 73367063 86706529 117944519 121008013 136253117 139388977 190155449 219039821 224729167 847056091 953771819 1331088143 1533278747 1573104169 2472020837 9317617001 11011729183 17304145859 121129021013
• Sum of all divisors σ(n): 169052405760
• Sum of proper divisors (its aliquot sum) s(n): 47923384747
• 121129021013 is a deficient number, because the sum of its proper divisors (47923384747) is less than itself. Its deficiency is 73205636266

Bases of 121129021013

• Binary: 1110000110011110110100010111001010101₂
• Hexadecimal: 0x1C33DA2E55
• Base-36: 1JN93AS5

Squares and roots of 121129021013

• 121129021013 squared (121129021013²) is 14672239731567795546169
• 121129021013 cubed (121129021013³) is 1777234034752848986145992612649197
• The square root of 121129021013 is 348035.9478746413
• The cube root of 121129021013 is 4947.8448055885

Scales and comparisons

• 121,129,021,013 seconds is equal to 3,851 years, 27 weeks, 3 days, 6 hours, 16 minutes, 53 seconds.
• To count from 1 to 121,129,021,013 would take you about seven thousand, seven hundred 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 121129021013 cubic inches would be around 412.3 feet tall.

Recreational maths with 121129021013

• 121129021013 backwards is 310120921121
• The number of decimal digits it has is: 12
• The sum of 121129021013's digits is 23
• More coming soon!