129697375920

Names of 129697375920

• Cardinal: 129697375920 can be written as One hundred twenty-nine billion, six hundred ninety-seven million, three hundred seventy-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.2969737592 × 10¹¹

Factors of 129697375920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 131138

Divisors of 129697375920

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 19 20 21 24 28 30 31 35 38 40 42 48 56 57 60 62 70 76 80 84 93 95 105 112 114 120 124 133 140 152 155 168 186 190 210 217 228 240 248 266 280 285 304 310 336 372 380 399 420 434 456 465 496 532 560 570 589 620 651 665 744 760 798 840 868 912 930 1064 1085 1140 1178 1240 1302 1330 1488 1520 1596 1680 1736 1767 1860 1995 2128 2170 2280 2356 2480 2604 2660 2945 3192 3255 3472 3534 3720 3990 4123 4340 4560 4712 5208 5320 5890 6384 6510 7068 7440 7980 8246 8680 8835 9424 10416 10640 11780 12369 13020 14136 15960 16492 17360 17670 20615 23560 24738 26040 28272 31920 32984 35340 41230 47120 49476 52080 61845 65968 70680 82460 98952 123690 131071 141360 164920 197904 247380 262142 329840 393213 494760 524284 655355 786426 917497 989520 1048568 1310710 1572852 1834994 1966065 2097136 2490349 2621420 2752491 3145704 3669988 3932130 4063201 4587485 4980698 5242840 5504982 6291408 7339976 7471047 7864260 8126402 9174970 9961396 10485680 11009964 12189603 12451745 13762455 14679952 14942094 15728520 16252804 17432443 18349940 19922792 20316005 22019928 24379206 24903490 27524910 28442407 29884188 31457040 32505608 34864886 36699880 37355235 39845584 40632010 44039856 48758412 49806980 52297329 55049820 56884814 59768376 60948015 65011216 69729772 73399760 74710470 77200819 81264020 85327221 87162215 97516824 99613960 104594658 110099640 113769628 119536752 121896030 139459544 142212035 149420940 154401638 162528040 170654442 174324430 195033648 199227920 209189316 220199280 227539256 231602457 243792060 261486645 278919088 284424070 298841880 308803276 325056080 341308884 348648860 386004095 418378632 426636105 455078512 463204914 487584120 522973290 540405733 568848140 597683760 617606552 682617768 697297720 772008190 836757264 853272210 926409828 975168240 1045946580 1080811466 1137696280 1158012285 1235213104 1365235536 1394595440 1544016380 1621217199 1706544420 1852819656 2091893160 2161622932 2275392560 2316024570 2702028665 3088032760 3242434398 3413088840 3705639312 4183786320 4323245864 4632049140 5404057330 6176065520 6484868796 6826177680 8106085995 8646491728 9264098280 10808114660 12969737592 16212171990 18528196560 21616229320 25939475184 32424343980 43232458640 64848687960 129697375920
• Sum of all divisors σ(n): 499289948160
• Sum of proper divisors (its aliquot sum) s(n): 369592572240
• 129697375920 is an abundant number, because the sum of its proper divisors (369592572240) is greater than itself. Its abundance is 239895196320

Bases of 129697375920

• Binary: 1111000110010100100001110011010110000₂
• Hexadecimal: 0x1E3290E6B0
• Base-36: 1NKYGVQO

Squares and roots of 129697375920

• 129697375920 squared (129697375920²) is 16821409320533795846400
• 129697375920 cubed (129697375920³) is 2181692648149463494955075378688000
• The square root of 129697375920 is 360135.2189386647
• The cube root of 129697375920 is 5061.8631132713

Scales and comparisons

• 129,697,375,920 seconds is equal to 4,123 years, 50 weeks, 5 days, 52 minutes.
• To count from 1 to 129,697,375,920 would take you about eight thousand, two hundred forty-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 129697375920 cubic inches would be around 421.8 feet tall.

Recreational maths with 129697375920

• 129697375920 backwards is 029573796921
• 129697375920 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129697375920's digits is 60
• More coming soon!