129985203072

Names of 129985203072

• Cardinal: 129985203072 can be written as One hundred twenty-nine billion, nine hundred eighty-five million, two hundred three thousand and seventy-two.

Scientific notation

• Scientific notation: 1.29985203072 × 10¹¹

Factors of 129985203072

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2121

Divisors of 129985203072

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 24 32 34 48 51 64 68 83 96 102 127 128 136 166 192 204 249 254 272 332 381 384 408 498 508 544 664 762 816 996 1016 1088 1328 1411 1524 1632 1889 1992 2032 2159 2176 2656 2822 3048 3264 3778 3984 4064 4233 4318 5312 5644 5667 6096 6477 6528 7556 7968 8128 8466 8636 10541 10624 11288 11334 12192 12954 15112 15936 16256 16932 17272 21082 22576 22668 24384 25908 30224 31623 31872 32113 33864 34544 42164 45152 45336 48768 51816 60448 63246 64226 67728 69088 84328 90304 90672 96339 103632 120896 126492 128452 135456 138176 156787 168656 179197 180608 181344 192678 207264 239903 241792 252984 256904 270912 276352 313574 337312 358394 362688 385356 414528 470361 479806 505968 513808 537591 541824 627148 674624 716788 719709 725376 770712 829056 940722 959612 1011936 1027616 1075182 1254296 1349248 1433576 1439418 1541424 1881444 1919224 2023872 2055232 2150364 2508592 2665379 2867152 2878836 3082848 3762888 3838448 4047744 4078351 4110464 4300728 5017184 5330758 5734304 5757672 6165696 7525776 7676896 7996137 8156702 8601456 10034368 10661516 11468608 11515344 12235053 12331392 15051552 15353792 15992274 16313404 17202912 19911949 20068736 21323032 22937216 23030688 24470106 30103104 30707584 31984548 32626808 34405824 39823898 42646064 46061376 48940212 59735847 60206208 63969096 65253616 68811648 79647796 85292128 92122752 97880424 119471694 127938192 130507232 159295592 170584256 195760848 238943388 255876384 261014464 318591184 338503133 341168512 391521696 477886776 511752768 522028928 637182368 677006266 783043392 955773552 1015509399 1023505536 1274364736 1354012532 1566086784 1911547104 2031018798 2548729472 2708025064 3823094208 4062037596 5416050128 7646188416 8124075192 10832100256 16248150384 21664200512 32496300768 43328401024 64992601536 129985203072
• Sum of all divisors σ(n): 373098700800
• Sum of proper divisors (its aliquot sum) s(n): 243113497728
• 129985203072 is an abundant number, because the sum of its proper divisors (243113497728) is greater than itself. Its abundance is 113128294656

Bases of 129985203072

• Binary: 1111001000011101110001100101110000000₂
• Hexadecimal: 0x1E43B8CB80
• Base-36: 1NPPU0LC

Squares and roots of 129985203072

• 129985203072 squared (129985203072²) is 16896153017669078237184
• 129985203072 cubed (129985203072³) is 2196249881137300738755418021429248
• The square root of 129985203072 is 360534.6073153033
• The cube root of 129985203072 is 5065.6048112089

Scales and comparisons

• 129,985,203,072 seconds is equal to 4,133 years, 6 weeks, 4 days, 8 hours, 51 minutes, 12 seconds.
• To count from 1 to 129,985,203,072 would take you about eight thousand, two hundred sixty-six 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 129985203072 cubic inches would be around 422.1 feet tall.

Recreational maths with 129985203072

• 129985203072 backwards is 270302589921
• 129985203072 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129985203072's digits is 48
• More coming soon!